Search results

• Asteraceae (section Key to Genera of Group 2 "Ray" corollas or all corollas distinctly ± 2 lipped)
  following key, “radiate heads” have ray florets; “eradiate heads” lack ray florets and may be disciform, discoid, or radiant. Ray florets have zygomorphic corollas
  275 KB (5,940 words) - 15:30, 15 December 2020
• Asteraceae tribe Astereae
  socket margins often fimbrillate; paleate in Eastwoodia and Rigiopappus). Ray-florets 0 or in 1 (–2+) series, usually pistillate, rarely neuter or styliferous
  79 KB (1,886 words) - 20:55, 29 July 2020
• Erigeron
  small, ± filiform laminae (such florets are technically “ray florets” even though their “rays” are inconspicuous) and the inner pistillate florets have
  97 KB (2,063 words) - 21:58, 29 July 2020
• Cyperus
  arranged spikelets, rarely a solitary spikelet; spikelets 1–150; 1st order rays unequal (rarely equal) in length, produced singly from the axils of inflorescence
  7 KB (420 words) - 01:32, 30 July 2020
• Physaria
  (although the number of primary rays and some details are often visible at 10–30× with glancing light). The number of rays of the ubiquitous unicellular
  40 KB (1,647 words) - 11:54, 30 July 2020
• Aristolochiaceae
  trees], deciduous or evergreen, often aromatic. Wood with broad medullary rays. Leaves alternate, simple, petiolate. Leaf-blade unlobed, margins entire
  6 KB (176 words) - 08:42, 30 July 2020
• Primulaceae
  corolla tubes, seeds immersed in placentae, and wood devoid of rays or with multiseriate rays only. Maesa, consisting entirely of trees found in the Eastern
  12 KB (662 words) - 13:05, 30 July 2020
• Xanthisma
  or purple), ellipsoid to obovoid, oblong, or obscurely cordate, those of rays (if present) ± 3-sided, rounded abaxially, of disc compressed (thin or thick
  13 KB (844 words) - 22:21, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
  appressed to and shed with an associated cypsela may interpreted as paleae). Ray-florets 0 (corollas of peripheral florets sometimes notably larger than those
  17 KB (818 words) - 23:57, 29 July 2020
• Helenium
  or ovoid, pitted (glabrous), epaleate (rarely bearing setiform enations). Ray-florets 0 or 7–34, pistillate and fertile or neuter; corollas yellow, yellow
  13 KB (702 words) - 15:32, 15 December 2020
• Eurybia
  eurys, wide, and baios, few, perhaps alluding to the few, wide-spreading ray florets Basionym: Aster subg. Eurybia Cassini Bull. Sci. Soc. Philom. Paris
  20 KB (1,017 words) - 22:19, 29 July 2020
• Rudbeckia sect. Macrocline
  quantity","phyllary duration","phyllary quantity","ray-floret architecture","ray-floret atypical quantity","ray-floret reproduction","receptacle architecture"
  12 KB (678 words) - 23:55, 29 July 2020
• Perityle sect. Laphamia
  shape","phyllary duration","phyllary quantity","ray-floret architecture","ray-floret atypical quantity","ray-floret reproduction","receptacle architecture"
  11 KB (583 words) - 23:49, 29 July 2020
• Poaceae tribe Andropogoneae
  the inflorescence units terminate rays, each of which has a prophyll, a 2-veined structure, in its axil. Several rays may develop within the axil of a single
  31 KB (2,561 words) - 04:21, 30 July 2020
• Symphyotrichum
  S. frondosum, pistillate, fertile; corollas white, pink, blue, or purple (rays 0, peripheral pistillate florets in 2–5+ series, corollas lacking laminae
  62 KB (1,546 words) - 15:28, 15 December 2020
• Eriophyllum
  deltate. Cypselae linear-clavate to prismatic, flattened or 3-angled in rays, 4 (–5) -angled in discs, hairy or glabrous; pappi 0, or persistent, of 6–12+
  13 KB (1,037 words) - 23:55, 29 July 2020
• Nuphar
  long as wide; stigmatic rays ± elliptic. Nuphar ulvacea 4 Leaf blade linear to lanceolate, 3–5 times as long as wide; stigmatic rays linear. Nuphar sagittifolia
  9 KB (602 words) - 08:47, 30 July 2020
• Eucephalus
  stipitate-glandular, sometimes glabrous. Receptacles ± flat, pitted, epaleate. Ray-florets 0–21 (usually 5, 8, or 13), pistillate, fertile; corollas violet-purple
  12 KB (637 words) - 21:48, 29 July 2020
• Rudbeckia sect. Rudbeckia
  "phyllary duration","phyllary quantity","ray-floret architecture","ray-floret atypical quantity","ray-floret presence","ray-floret reproduction","receptacle architecture"
  10 KB (649 words) - 22:36, 29 July 2020
• Solidago subsect. Squarrosae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  7 KB (635 words) - 21:33, 29 July 2020
• Thysanocarpus
  entire or crenate, often perforated, (winged, wing flattened, with radiating rays); septum obsolete; ovule 1 per ovary; style distinct (relatively short) or
  9 KB (595 words) - 12:02, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
  glanddotted; outer disc-florets rarely subtended by paleae in Amblyolepis). Ray-florets 0, or 1–55 (in 1–3 series), pistillate and fertile, or styliferous
  13 KB (688 words) - 22:34, 29 July 2020
• Carya
  (unicellular common to all species, fasciculate with 2-8 rays in 1 rank, multiradiate with 8-17 rays in 2 ranks) and glandular scales (capitate-glandular and
  16 KB (713 words) - 08:48, 30 July 2020
• Grindelia
  pitted (pits sometimes flanked by membranous or setiform enations), epaleate. Ray-florets 0 or 5–60+, pistillate, fertile; corollas yellow to orange. Disc-florets
  23 KB (1,525 words) - 22:29, 29 July 2020
• Solidago sect. Ptarmicoidei
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  7 KB (600 words) - 21:42, 29 July 2020
• Solidago subsect. Triplinerviae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  11 KB (911 words) - 21:40, 29 July 2020
• Osmadenia
  partly enveloping a ray cypsela, apices acute to attenuate). Receptacles flat, glabrous, paleate (paleae persistent, in 1 series between rays and discs, connate
  7 KB (594 words) - 23:39, 29 July 2020
• Helianthus
  architecture or shape","pappus shape","phyllary atypical quantity","ray-floret atypical quantity","ray-floret reproduction","stigmatic papilla architecture","throat
  32 KB (1,118 words) - 23:14, 29 July 2020
• Verbesina
  Disc-florets 8–150 [–300+], bisexual, fertile; corollas usually concolorous with rays, tubes much shorter than or ± equaling funnelform or campanulate throats
  12 KB (721 words) - 23:07, 29 July 2020
• Solidago subsect. Argutae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  5 KB (569 words) - 21:35, 29 July 2020
• Madia
  or falling readily, in 1 series between rays and discs, ± connate or distinct, phyllary-like, more scarious). Ray-florets 0 (sometimes in M. glomerata),
  11 KB (700 words) - 23:44, 29 July 2020
• Quercus sect. Quercus
  berberidifolia 57 Hairs of abaxial leaf surface with 1-4 rays. > 58 57 Hairs of abaxial leaf surface with (4-)6-many rays. > 60 58 Leaf blade 50-150 mm, ±planar, not
  27 KB (606 words) - 08:45, 30 July 2020
• Actinostachys
  Blades falsely digitate, reduced to 2–many erect to spreading terminal rays; rays appearing to whorled but actually borne on very short rachis. Sporangia
  4 KB (232 words) - 00:34, 30 July 2020
• Cyperus involucratus
  heads digitate, 15–30 (–36) mm diam.; rays (14–) 20–22, (2–) 5–12 (–20) cm; 2d order rays 0.3–3 (–4) cm; 3d order rays sometimes present, 0.3–2.5 cm; bracts
  7 KB (559 words) - 01:32, 30 July 2020
• Cyperus haspan
  heads loosely digitate; rays (5–) 10–12 (–15), 1–15 (–20) cm; 2d order rays usually present, (1–) 6–12 (–25) mm; 3d order rays sometimes present, 1–6 mm;
  8 KB (585 words) - 01:33, 30 July 2020
• Cyperus entrerianus
  to densely globose-ovoid, (6–) 10–12 (–20) mm diam.; rays 6–10 (–12), 1–8 (–12) cm; 2d order rays 1–4, 5–15 (–23) mm; bracts (5–) 6–8 (–10), ascending
  10 KB (791 words) - 01:34, 30 July 2020
• Cyperus amabilis
  5) mm. Inflorescences: if rays absent heads single, dense, sessile, digitate, 5–20 × 10–30 mm, single heads 10–30 (–50) mm; rays usually absent, if present
  8 KB (565 words) - 01:34, 30 July 2020
• Achyrachaena
  convex (setulose), paleate (paleae falling, in 1 series between rays and disc, distinct). Ray-florets 3–8, pistillate, fertile; corollas yellow, turning reddish
  6 KB (540 words) - 23:37, 29 July 2020
• Galinsoga parviflora
  lengths, acute. Ray-florets (3–) 5 (–8); corollas usually dull white (pink), laminae 0.5–1.8 × 0.7–1.5 mm. Disc-florets 15–50. Cypselae: rays 1.5–2.5 mm; discs
  6 KB (577 words) - 23:22, 29 July 2020
• Cyperus dentatus
  cm × 2–5 mm. Inflorescences: heads digitate, 8–18 mm diam.; rays 4–9, 1–8 cm; 2d order rays 0.5–2 cm; bracts 3–5, ± horizontal, flat, 1–20 cm × 1–4 mm.
  6 KB (513 words) - 01:33, 30 July 2020
• Cyperus distinctus
  mm. Inflorescences: heads hemispheric, 10–20 mm diam.; rays 5–9 (–14), 3.5–10 cm; 2d order rays 0.5–2 cm; bracts 5–10, ± horizontal, flat, 12–40 (–50)
  6 KB (497 words) - 01:33, 30 July 2020
• Cyperus fuscus
  glabrous. Leaves flat, 4–10 cm × 2–4 mm. Inflorescences: rays 1–3, 0.2–1.5 cm; 2d order rays present in robust plants, to 5 mm; bracts 2–3, longest erect
  6 KB (528 words) - 01:34, 30 July 2020
• Gutierrezia
  often erose-margined, scales in 1–2 series (usually longer in discs than rays). x = 4. w North America, w South America Species 28 (10 in the flora). Amphiachyris
  13 KB (837 words) - 21:29, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Ecliptinae
  to linear, herbaceous to chartaceous or scarious, usually conduplicate). Ray-florets usually (1–) 3–40+, sometimes 0, usually pistillate and fertile, sometimes
  21 KB (800 words) - 22:59, 29 July 2020
• Alyssum simplex
  Annuals; canescent throughout, trichomes appressed, coarse, (3–) 5–10-rayed, rays sometimes unequal. Stems often several from base, usually erect or ascending
  9 KB (970 words) - 12:07, 30 July 2020
• Solidago subsect. Humiles
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  4 KB (551 words) - 21:32, 29 July 2020
• Waltheria detonsa
  puberulent across apical margin, trichome rays 1–2, abaxial surface minutely stellate-puberulent, stellate trichome rays dense, 8–10, adaxial surface sparsely
  11 KB (763 words) - 11:23, 30 July 2020
• Hottonia inflata
  near inflorescence; blade 1–8 cm. Inflorescences with inflated rachises (rays) and peduncle. Flowers: calyx 3–10 mm, longer than corolla; corolla white
  4 KB (505 words) - 13:05, 30 July 2020
• Actinostachys pennula
  flora) usually small, those in open sunny areas much larger. Leaves 1–60; rays 1–12, 4–40 mm; petioles 0.5–2 cm. 2n = 168 (Trinidad). Habitat: On and around
  4 KB (432 words) - 00:33, 30 July 2020
• Galinsoga
  style-branch apices acute). Cypselae obconic to obpyramidal, glabrous or strigose (rays often shed with subtending phyllary plus 2–3 adjacent paleae); pappi 0, or
  8 KB (643 words) - 23:22, 29 July 2020
• Solidago subsect. Junceae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  7 KB (604 words) - 21:38, 29 July 2020
• Cyperus eragrostis
  Inflorescences: heads globose, (10–) 20–40 mm diam.; rays (0–) 3–10, 2.5–5 (–12) cm; 2d order rays usually absent (when present, 0.5–1.5 cm); bracts 4–8
  7 KB (546 words) - 01:33, 30 July 2020
• Cyperus difformis
  heads dense, 7–17 mm diam.; when rays short, heads sessile or nearly so, then densely irregularly lobate, 12–35 mm diam.; rays 1–5, 2–32 mm; bracts 2–4, longest
  7 KB (610 words) - 01:34, 30 July 2020
• Cyperus drummondii
  mm. Inflorescences: heads digitate, globose, 1–1.7 cm diam.; rays 3–5, 1–7 cm; 2d order rays absent; bracts 3–5, horizontal to ascending at 30°, with prominent
  8 KB (683 words) - 01:33, 30 July 2020
• Cyperus flavicomus
  Inflorescences: spikes loosely ovoid, 5–25 × 8–22 mm; rays (3–) 5–11, 0.4–20 cm; 2d order rays occasionally present, 5–28 mm; bracts 3–7, horizontal to
  7 KB (613 words) - 01:34, 30 July 2020
• Eucephalus ledophyllus
  apices acute to acuminate, abaxial faces puberulent to stipitate-glandular. Rays 5–21, purple. Cypselae pilose; pappus bristles in 2 series, smooth or ± barbellate
  5 KB (533 words) - 21:53, 29 July 2020
• Cyperus alopecuroides
  Inflorescences: spikes 1–4, cylindric, 1.5–4 cm × 7–15 mm; rays 3–9, 10–26 cm; 2d order rays 2–11 cm; 3d order rays 1–4 cm (or absent); bracts 3–5, ± horizontal, 20–100
  6 KB (560 words) - 01:36, 30 July 2020
• Cyperus aggregatus
  cylindric, 6–30 × 5–11 mm; rays 3–12, 0.4–5 (–7) cm; rays and rachis glabrous; usually only 1–2 spikes of inflorescence on elongate rays, other spikes sessile
  8 KB (640 words) - 01:39, 30 July 2020
• Cyperus hypopitys
  ovoid-ellipsoid, (1.5–) 2.5–7 × (1–) 1.5–3.5 cm; rays (1–) 2–4, to 6 cm; 2d order rays rarely present, to 2 cm; 3d order rays absent; bracts (2–) 3, ± horizontal,
  8 KB (590 words) - 01:37, 30 July 2020
• Erysimum
  pubescent, trichomes sessile, medifixed, appressed, 2-rayed (malpighiaceous) or 3–5 (–8) -rayed (stellate), rays (when 2) parallel to long axis of stems, leaves
  17 KB (1,002 words) - 12:29, 30 July 2020
• Raillardella
  concolorous with rays, tubes shorter than funnelform throats, lobes 5, deltate (anthers yellowish; styles glabrous proximal to branches). Ray cypselae ± terete
  8 KB (685 words) - 23:36, 29 July 2020
• Blepharizonia
  hirtellous, paleate (paleae falling, distinct, in 1 series, between rays and discs). Ray-florets 5–13, pistillate, fertile; corollas whitish (often nerved
  9 KB (746 words) - 23:42, 29 July 2020
• Wyethia
  fusion","phyllary life cycle","phyllary shape","phyllary size","ray-floret atypical quantity","ray-floret presence","stigmatic papilla architecture","stigmatic
  10 KB (638 words) - 23:06, 29 July 2020
• Cyperus esculentus
  ellipsoid to ovoid or hemispheric, (12–) 18–30 × (12–) 18–35 mm; rachis 4–17 mm; rays 4–10, (0.3–) 2–12 cm; bracts (3–) 4–5 (–7), ± horizontal to ascending at
  10 KB (694 words) - 01:35, 30 July 2020
• Tridax
  than cylindric or funnelform throats, lobes 5, usually deltate [sometimes rays 0 and corollas of peripheral florets ± bilabiate]. Cypselae obconic to obpyramidal
  7 KB (515 words) - 23:22, 29 July 2020
• Deinandra
  convex, glabrous or setulose, paleate (paleae falling, in 1 series between rays and disc in annuals, in 2–3+ series or subtending all or most disc-florets
  14 KB (819 words) - 23:40, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Madiinae
  flat or convex to conic, ± paleate (paleae either in 1 series interior to ray-florets, then usually connate and persistent, or 1 palea subtending each disc-floret
  15 KB (799 words) - 23:36, 29 July 2020
• Echinacea
  "phyllary life cycle","phyllary shape","phyllary size","ray-floret atypical quantity","ray-floret presence","ray-floret reproduction","stigmatic papilla architecture"
  10 KB (797 words) - 23:04, 29 July 2020
• Acamptopappus sphaerocephalus
  quantity","phyllarie shape","phyllarie size","ray-floret architecture","ray-floret presence","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  3 KB (506 words) - 21:46, 29 July 2020
• Layia
  falling, in 1 series, between rays and discs or subtending ± all disc-florets, distinct, phyllary-like, more scarious). Ray-florets 0 or 3–27, pistillate
  14 KB (738 words) - 23:38, 29 July 2020
• Baileya
  floccose-tomentose). Receptacles flat to convex, shallowly pitted, epaleate. Ray-florets 5–7 or 20–55, pistillate, fertile; corollas (usually marcescent) yellow
  7 KB (599 words) - 22:38, 29 July 2020
• Sphagnum
  convex surface; in plants with stellate capitula, the branches between the rays of the capitulum occur in pairs; stem leaves often hanging downward on the
  16 KB (943 words) - 06:58, 30 July 2020
• Physaria carinata
  persistent leaf-bases); densely pubescent, trichomes (sessile or short-stalked), rays furcate or bifurcate, (nearly smooth to finely tuberculate). Stems simple
  6 KB (730 words) - 11:55, 30 July 2020
• Doellingeria umbellata
  cycle","proximal cauline leaf size","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  8 KB (711 words) - 21:58, 29 July 2020
• Lagophylla
  hirtellous, paleate (paleae in rings between rays and discs, distinct or proximally connate, scarious). Ray-florets 5, pistillate, fertile; corollas yellow
  9 KB (637 words) - 23:37, 29 July 2020
• Bolboschoenus maritimus
  not more than 1/2 of spikelets solitary or in clusters of 2–10 on 1–4 rays, rays not exceeding 8 cm; involucral-bracts that surpass inflorescences 1–4
  11 KB (1,024 words) - 01:52, 30 July 2020
• Lorandersonia
  often ± resinous. Heads discoid (radiate in L. microcephala and L. peirsonii; rays occasionally observed in L. spathulata), usually in congested, rounded, compound
  11 KB (677 words) - 21:45, 29 July 2020
• Alyssum
  sessile, stellate, with 2–6 minute basal branches (branches as many as 3–25), rays branched or not, sometimes trichomes simple [lepidote]. Stems erect, ascending
  11 KB (839 words) - 12:07, 30 July 2020
• Asteraceae tribe Heliantheae
  Gaillardia spp.; sometimes pitted, pit borders often fimbrillate to lacerate). Ray-florets (rarely 0) usually in 1 (–2+) series, usually pistillate, rarely neuter
  30 KB (1,803 words) - 22:30, 29 July 2020
• Cyperus fugax
  loosely ovoid, 8–15 (–25) mm wide; rachis 1–3 mm; rays (1–) 2–4 (–6), (0.5–) 1–3 (–6) cm; 2d order rays absent; bracts (1–) 2–4 (–5), ascending at 30–45°
  9 KB (729 words) - 01:34, 30 July 2020
• Galinsoga quadriradiata
  lengths, blunt. Ray-florets (4–) 5 (–8); corollas usually white, sometimes pink, laminae 0.9–2.5 × 0.9–2 mm. Disc-florets 15–35. Cypselae: rays 1.5–2 mm; discs
  7 KB (671 words) - 23:22, 29 July 2020
• Cyperus digitatus
  Inflorescences: spikes 1–4, cylindric, (2.5–) 3.5–5 × 1.2–1.5 cm; rays 8–10, (1–) 15–35 cm; 2d order rays 1–3 cm; bracts 8–12, ascending at 45–60°, (5–) 20–80 cm
  6 KB (534 words) - 01:36, 30 July 2020
• Cyperus giganteus
  Inflorescences: spikes loosely cylindric, 15–40 × 8–16 mm; rays 5–8, ascending to erect, stiff,20–30 cm; 2d order rays 5–15 cm; bracts 10–12, ascending at 30–60°, flat
  7 KB (583 words) - 01:36, 30 July 2020
• Cyperus elegans
  involute. Inflorescences: spikes ovoid, 10–20 mm wide; rays 3–8 (–10), 0.5–12 cm; 2d order rays 0–3, 1–3 cm; bracts 3–7, horizontal to vertical, 2.5–5
  7 KB (567 words) - 01:36, 30 July 2020
• Holozonia
  falling, in 1 series between rays and discs, connate). Phyllaries 4–10 in 1 series (each mostly or wholly enveloping a ray ovary, ± lance-linear, herbaceous
  7 KB (649 words) - 23:43, 29 July 2020
• Kyhosia
  glabrous, paleate (paleae falling, in 1 series between rays and discs, weakly connate or distinct). Ray-florets 8–12, pistillate, fertile; corollas bright-yellow
  7 KB (593 words) - 23:43, 29 July 2020
• Cyperus distans
  ovoid to ovoid-pyramidal, 25–35 × 25–35 mm; rays (4–) 5–6 (–8), (1–) 3–8 (–16) cm, glabrous; 2d order rays (0–) 1–5, 5–15 (–50) mm; bracts 4–7, ascending
  8 KB (581 words) - 01:35, 30 July 2020
• Cyperus dentoniae
  densely cylindric, (7–) 11–20 (–25) × (5–) 7–10 (–12) mm; rays 3–6 (–10), (1–) 3–6 (–18) cm, rays and rachis hispidulous; bracts 4–8 (–10), ascending at 30–60°
  9 KB (676 words) - 01:39, 30 July 2020
• Cyperus articulatus
  (–5), broadly ovoid to ± umbellate, 15–45 × 10–30 mm; rays 5–7 (–10), 0.3–8 (–12) cm; 2d order rays occasionally present, 5–20 mm; bracts 2 (–4), erect,
  9 KB (661 words) - 01:35, 30 July 2020
• Draba
  trichomes sessile, 2 rays parallel to long axis of stem or midvein, some malpighiaceous. Draba spectabilis 11 Stem and leaf trichomes stalked, rays not parallel
  85 KB (2,094 words) - 12:08, 30 July 2020
• Xylorhiza
  single heads; long phyllaries with erect or spreading apices; white or bluish rays; large cypselae; and vernal flowering. The base chromosome number of Xylorhiza
  11 KB (655 words) - 22:25, 29 July 2020
• Cyperus gracilis
  cm × 0.2–0.4 mm, glabrous. Leaves 1–4, 3–25 cm × 1–1.5 mm. Inflorescences: rays absent, often proliferous; bracts 2–4, longest erect, looking like continuation
  5 KB (474 words) - 01:34, 30 July 2020
• Harmonia
  wholly enveloping a ray ovary). Receptacles flat to convex, glabrous or setulose, paleate (paleae falling, in 1 series between rays and discs, distinct
  10 KB (664 words) - 23:43, 29 July 2020
• Physaria kingii
  usually densely pubescent, trichomes (sessile or short-stalked), 3–7-rayed, rays distinct or slightly fused at base, typically furcate near base, bifurcate
  9 KB (836 words) - 11:57, 30 July 2020
• Thysanocarpus laciniatus
  pubescent, trichomes clavate, 0.05–0.4 mm; wing entire or deeply crenate, rays absent or indistinct. Generated Map Legacy Map Ariz., Calif., nw Mexico Varieties
  6 KB (798 words) - 12:02, 30 July 2020
• Erigeron strigosus
  faces sparsely strigose; pappi: outer crowns of setae or scales, inner 0 (rays) or of 8–15 bristles (disc). Generated Map Legacy Map Alta., B.C., Man.,
  8 KB (725 words) - 22:15, 29 July 2020
• Physaria didymocarpa
  trichomes (often stalked, appressed to wavy and spreading), several-rayed, rays furcate or simple, (slightly to strongly umbonate, nearly smooth to strongly
  7 KB (786 words) - 11:55, 30 July 2020
• Tropidocarpum
  simple, these mixed with smaller, short-stalked, Y-shaped, forked ones, rarely rays branched. Stems (usually several from base, rarely simple), usually ascending
  10 KB (650 words) - 12:29, 30 July 2020
• Simsia
  Disc-florets [12–] 13–154 [–172], bisexual, fertile; corollas concolorous with rays (usually turning purple apically), tubes (often glandular-hairy) shorter
  8 KB (579 words) - 23:14, 29 July 2020
• Echinacea paradoxa var. neglecta
  21. Treatment on page 91. Mentioned on page 90. Ray corollas light purple, pink, or white. Cypselae (rays) ± hairy (at least on distal margins); disc cypselae
  3 KB (565 words) - 23:04, 29 July 2020
• Acamptopappus
  arrays, with ovate phyllaries with broad hyaline margins, 0 or 5–14 yellow rays, sericeous to villous cypselae, and thick pappus scales. Lane, M. A. 1988
  8 KB (603 words) - 21:46, 29 July 2020
• Calycadenia
  persistent, in 1 series between rays and discs, ± connate, forming plicate cups, distinct apices usually acute to acuminate). Ray-florets 1–6, pistillate, fertile;
  13 KB (911 words) - 23:39, 29 July 2020
• Physaria lepidota
  several appressed layers), less dense on stems, trichomes (stellate-scalelike), rays fused (webbed) in proximal 1/2 or to tips, (umbonate, nearly smooth to moderately
  7 KB (729 words) - 11:57, 30 July 2020
• Bolboschoenus fluviatilis
  with all or most spikelets solitary or in clusters of 2–3 (–8) on 4–12 rays, rays not exceeding 10 cm; involucral-bracts that surpass inflorescences 3–6
  8 KB (779 words) - 01:54, 30 July 2020
• Physaria acutifolia
  (silvery) pubescent throughout, trichomes several-rayed, rays furcate, (moderately tuberculate, rays weakly so). Stems several from base, usually somewhat
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• Bolboschoenus glaucus
  subumbellate, all or most spikelets solitary or in clusters of 2–7 on 3–11 rays, rays not exceeding 9 cm; involucral-bracts that surpass inflorescence 1–3,
  7 KB (698 words) - 01:56, 30 July 2020
• Cyperus grayi
  margins, midrib. Inflorescences: spikes loosely ± globose, 6–20 mm wide; rays 1–8 cm; rachis 1–4 mm; bracts 3–8, ascending, V-shaped, 3–20 cm × 1–3 mm;
  6 KB (521 words) - 01:38, 30 July 2020
• Doronicum pardalianches
  Phyllaries linear-lanceolate, (8–) 12–18 mm, lengths about 2/3 rays, apices acute. Ray corollas 16–24 mm. 2n = 60. Phenology: Flowering May–Sep. Habitat:
  4 KB (482 words) - 21:22, 29 July 2020
• Cyperus filicinus
  10–30 cm × 1–3 mm. Inflorescences: heads loosely globose, 10–22 mm diam.; rays 0–6, 1–7 cm; bracts 3–6, horizontal to slightly ascending, flat, 3–26 cm
  6 KB (486 words) - 01:34, 30 July 2020
• Cyperus grayoides
  margins, midrib. Inflorescences: spikes loosely ± globose, 15–25 mm wide; rays 1–10 cm; rachis 1–4 mm; bracts 3–7, ascending, V-shaped, 3–20 cm × 1–3 mm;
  6 KB (493 words) - 01:38, 30 July 2020
• Cyperus granitophilus
  glabrous. Leaves V-shaped to flat, (2–) 4–11 cm × 3–4 mm. Inflorescences: rays absent; bracts 2–4, ± horizontal, flat, 1–6.5 cm × 2–3 mm; rachilla persistent
  6 KB (509 words) - 01:35, 30 July 2020
• Arctotheca calendula
  (across the rays). Phyllaries: outer reflexed, apices mucronate, white-woolly; inner appressed, margins hyaline, apices rounded, glabrous. Ray-florets 11–17
  6 KB (520 words) - 20:04, 29 July 2020
• Syntrichopappus fremontii
  entire (revolute). Peduncles 3–25 mm. Involucres 5–7 mm. Phyllaries ± 5. Rays yellow, laminae 3–5 mm. Cypselae 2–3.5 mm, sparsely to densely hispidulous;
  4 KB (557 words) - 00:00, 30 July 2020
• Cyperus filiformis
  flat, 4–22 cm × 1–2 mm. Inflorescence a single loose cluster of spikelets; rays 0– (1–2), if present, to 4 cm; bracts 2–3, ascending, 1–8 cm × 0.7–1 mm;
  5 KB (465 words) - 01:39, 30 July 2020
• Mauranthemum
  myxogenic cells on ribs and resin sacs between ribs); pappi 0 (sterile ovaries of rays usually with apical coronas). x = 9. Introduced; sw Europe, n Africa Species
  6 KB (470 words) - 20:54, 29 July 2020
• Smallanthus
  many as rays, more membranous to scarious, narrower and shorter). Receptacles flat to convex, paleate (paleae obovate to spatulate, scarious). Ray-florets
  7 KB (512 words) - 23:34, 29 July 2020
• Osmadenia tenella
  especially margins and apices. Ray corollas tubes ca. 2.5 mm, laminae ca. 4 mm. Disc corollas 3–5 mm, lobes ± hirsute. Cypselae (rays) 1.8–2.7 mm, beaks 0.3 mm
  4 KB (589 words) - 23:39, 29 July 2020
• Gazania linearis
  white-villous, adaxial faces glabrate to arachnose. Heads 3.5–8 cm diam. (across rays). Peduncles scapiform, (6–) 10–30 (–35) cm. Phyllaries: outer lanceolate
  6 KB (475 words) - 20:04, 29 July 2020
• Cyperus filiculmis
  10–30 cm × 0.5–2 mm. Inflorescences: spikes rather densely ovoid, 1–3.5 cm; rays 0 (sometimes 1–4), 1–6 cm; rachis 1–4 mm; bracts 3–4, horizontal to slightly
  6 KB (519 words) - 01:36, 30 July 2020
• Cyperus fuligineus
  flat, 5–20 cm × 1–2.5 mm. Inflorescences: spike hemispheric, 7–20 mm wide; rays absent; rachis 1–3 mm; bracts 2–3, reflexed, flat, 5–12 cm × 1–2 mm; rachilla
  5 KB (483 words) - 01:36, 30 July 2020
• Cyperus houghtonii
  1–6 mm. Inflorescences: spikes ± globose to broadly ovoid, 8–20 mm wide; rays 1–8 cm; rachis 2–5 mm, glabrous; bracts 3–8, weakly ascending, flat, 3–20
  6 KB (529 words) - 01:36, 30 July 2020
• Physaria douglasii
  simple; densely pubescent, trichomes (sessile or nearly so), 4–6 (–10) -rayed, rays usually furcate near base, rarely bifurcate, (umbonate, tuberculate throughout)
  6 KB (651 words) - 11:55, 30 July 2020
• Physaria hitchcockii
  (buried), branched; densely pubescent, trichomes (short-stalked), 4–6-rayed, rays distinct, bifurcate, (rough-tuberculate). Stems few to several from base
  7 KB (777 words) - 11:57, 30 July 2020
• Jensia
  setulose, paleate (paleae falling, in 1 series between rays and discs, connate, herbaceous to ± scarious). Ray-florets 2–12, pistillate, fertile; corollas yellow
  7 KB (576 words) - 23:44, 29 July 2020
• Physaria geyeri
  (cespitose); (silvery) pubescent throughout, trichomes (sessile), 6–8-rayed, rays mostly furcate, (tuberculate to nearly smooth). Stems several from base
  6 KB (689 words) - 11:56, 30 July 2020
• Cyperus acuminatus
  cm × 1–2 (–4) mm. Inflorescences: heads hemispheric, 7–12 (–15) mm diam.; rays 1–3 (–5), 0.5–2 cm; bracts 3–6, longest erect to ascending, flat to V-shaped
  8 KB (595 words) - 01:33, 30 July 2020
• Cyperus cuspidatus
  0.3–1 mm. Inflorescences: heads digitate, loosely ovoid, 3–18 × 3–26 mm; rays (0–) 1–6 (–8), 2.5–20 (–30) mm; bracts 2–3 (–5), horizontal to ascending
  7 KB (539 words) - 01:34, 30 July 2020
• Physaria arenosa
  branched; ± densely pubescent, trichomes (sessile or short-stalked), few-rayed, rays (usually spreading), distinct or slightly fused at base, furcate or bifurcate
  7 KB (726 words) - 11:54, 30 July 2020
• Hemizonella
  sparsely setulose, paleate (paleae falling, in 1 series between rays and discs, connate). Ray-florets 3–5, pistillate, fertile; corollas pale-yellow. Disc-florets
  7 KB (719 words) - 23:43, 29 July 2020
• Arctanthemum arcticum subsp. polare
  mm. Heads 1 (–2), 13–20 mm diam. (flattened, excluding rays). Peduncular bracts 6–12 × 1 mm. Ray laminae (7–) 9–18 (–21) × (1.5–) 1.8–4.3 mm, veins 4–5
  6 KB (736 words) - 20:51, 29 July 2020
• Encelia
  paleate (paleae ± conduplicate, folded around and falling with cypselae). Ray-florets 0 or 8–25 (–40), neuter; corollas yellow. Disc-florets 80–100 (–200+)
  9 KB (624 words) - 23:10, 29 July 2020
• Oclemena
  stipitate-glandular. Receptacles planoconvex, pitted or smooth, epaleate. Ray-florets (5–) 7–25, pistillate, fertile; corollas white or pink (laminae not
  13 KB (850 words) - 21:27, 29 July 2020
• Anisocarpus
  between rays and discs, usually connate, sometimes distinct, phyllary-like, more scarious; in discoid heads, functionally an “involucre”). Ray-florets
  10 KB (841 words) - 23:43, 29 July 2020
• Baileya multiradiata
  forms), mostly 5–10 × 10–25 mm. Phyllaries mostly 21–34, floccose-tomentose. Rays (vernal forms) mostly 34–55; laminae linear-oblanceolate, mostly 10–20 ×
  7 KB (840 words) - 22:38, 29 July 2020
• Cyperus lupulinus
  5 mm. Inflorescences: spikes rather densely ovoid to globose, 1.2–3.5 cm; rays 0 or 1–4, 1–6 cm; rachis 1–3.5 mm; bracts 2–4, horizontal to reflexed, flat
  8 KB (680 words) - 01:37, 30 July 2020
• Gymnosperma
  inconspicuous rays, and epappose cypselae. It differs from Gutierrezia in its tendency to produce cylindric heads, glabrous receptacles, ray florets with
  8 KB (697 words) - 21:30, 29 July 2020
• Tetraneuris
  Etymology: Greek tetra, four, and neuron, nerve, alluding to venation of ray floret corollas Treatment appears in FNA Volume 21. Treatment on page 447
  10 KB (710 words) - 22:39, 29 July 2020
• Hermannia pauciflora
  setose, apex acute, bristled, adaxially villulose, margin and apex trichome rays 1–3; corolla campanulate-rotate, aperture at midlength (fresh), petals spreading
  14 KB (911 words) - 11:22, 30 July 2020
• Scirpus divaricatus
  cm × 4–8 mm. Inflorescences terminal; rays divergent, proximal rays smooth, pedicels and distal rays scabrous, rays often bearing axillary bulblets; bases
  7 KB (570 words) - 01:37, 30 July 2020
• Cyperus prolifer
  flopping over and rooting at base of rays. Leaves: blades reduced to sheath. Inflorescences: rays 100–250, 5–16 cm; 2d order rays 0.5–5 cm; bracts 2–3, horizontal
  5 KB (498 words) - 01:33, 30 July 2020
• Hymenothrix wrightii
  duration","pappus shape","phyllary duration","ray-floret architecture","ray-floret presence","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  4 KB (559 words) - 00:02, 30 July 2020
• Rigiopappus leptocladus
  "phyllarie size","ray cypsela pubescence","ray cypsela relief","ray cypsela shape","ray-floret architecture","ray-floret quantity","ray-floret reproduction"
  3 KB (478 words) - 22:09, 29 July 2020
• Sanvitalia abertii
  lance-linear, 20–60 × 2–12 mm. Phyllaries 8–11, subequal. Ray corollas 1.5–2.5+ mm. Cypselae: rays 4 mm (with awns 2–3 mm), subterete, obscurely 3-angled
  4 KB (528 words) - 23:00, 29 July 2020
• Rayjacksonia
  are coherent in vestiture, spinulose leaf teeth, heads borne singly, and rays with prominent, yellow laminae. Kawaguchi, S. T. 1996. Systematics of Rayjacksonia
  9 KB (627 words) - 20:55, 29 July 2020
• Cyperus surinamensis
  (–30) mm diam.; rays 4–12, 1–6 cm, minutely scabridulous with retrorse prickles; 2d order rays often present, 1–2 (–3) cm; 3d order rays rarely present
  8 KB (581 words) - 01:33, 30 July 2020
• Melampodium
  series (outer [2–] 5 often ± connate, herbaceous, inner each investing a ray ovary, forming a perigynium, shed with enclosed cypsela). Receptacles flat
  9 KB (570 words) - 23:36, 29 July 2020
• Solidago subsect. Maritimae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  6 KB (611 words) - 21:37, 29 July 2020
• Scirpus pendulus
  inflorescences from distal leaf-axils; rays ascending or weakly divergent, rays and pedicels scabrous near nodes, otherwise smooth, rays without axillary bulblets;
  8 KB (598 words) - 01:50, 30 July 2020
• Scirpus flaccidifolius
  species, with a few long, nearly erect rays and many shorter, spreading to reflexed rays. The length of the rays is very variable in S. flaccidifolius,
  8 KB (637 words) - 02:01, 30 July 2020
• Cyperus pseudovegetus
  hemispheric, 7–15 (–18) mm diam; or if rays absent, heads dense, irregularly lobate, 2–3.5 cm diam.; rays 3–6, 1–30 mm; 2d order rays infrequently present, to 5 mm;
  8 KB (625 words) - 01:34, 30 July 2020
• Cyperus virens
  digitate to hemispheric, 1–3.5 cm diam.; rays 6–12, 1–9 (–14) cm; 2d order rays often present, (0.5–) 1–3 cm; 3d order rays occasionally present, 5–12 mm; bracts
  8 KB (622 words) - 01:33, 30 July 2020
• Scirpus lineatus
  distal leaves; rays ascending or divergent, rays and pedicels scabrous or scabrellous throughout or sometimes only in distal 1/2, rays often bearing axillary
  7 KB (541 words) - 01:43, 30 July 2020
• Alyssum szowitsianum
  248. Annuals; canescent throughout, trichomes appressed, coarse, 8–16-rayed, rays often subequal. Stems often several from base, erect, ascending, or decumbent
  7 KB (713 words) - 12:07, 30 July 2020
• Bolboschoenus novae-angliae
  subumbellate, all or most spikelets solitary or in clusters of 2–7 on 3–11 rays, rays not exceeding 8 cm; involucral-bracts that surpass inflorescences 2–4
  8 KB (786 words) - 01:55, 30 July 2020
• Bolboschoenus robustus
  not more than 1/2 of spikelets solitary or in clusters of 2 (–3) on 1–7 rays, rays not exceeding 7 cm; involucral-bracts that surpass inflorescence 2–4,
  8 KB (762 words) - 01:53, 30 July 2020
• Cyperus bipartitus
  1–2 mm. Inflorescences: spike 1, loosely ovoid, compressed, 7–14 × 9–14 mm; rays 1–4, to 2 (–3) cm; bracts 2–3, horizontal to ascending at 30 (–45) °, V-shaped
  7 KB (573 words) - 01:34, 30 July 2020
• Cyperus dipsaceus
  oblong-cylindric, densely spicate, ± truncate at base, (9–) 12–22 × (4–) 6–12 mm; rays 2–4 (–5), (1.5–) 2.5–6 cm; bracts 4–6, longest erect or nearly so, larger
  7 KB (564 words) - 01:36, 30 July 2020
• Physaria gracilis
  with a fine taproot; pubescent, trichomes (sessile or subsessile), 4–7-rayed, rays distinct, usually furcate, occasionally bifurcate, (smooth to somewhat
  7 KB (732 words) - 11:56, 30 July 2020
• Physaria saximontana
  Perennials; caudex usually simple; (silvery) pubescent throughout, trichome rays furcate. Stems several from base, prostrate to decumbent, 0.3–1 dm. Basal
  6 KB (700 words) - 11:58, 30 July 2020
• Echinacea simulata
  purplish. Cypselae tan, 3–4.5 mm, faces smooth, usually glabrous, sometimes (rays) hairy; pappi to ca. 1 mm (usually without major teeth). 2n = 22. Phenology:
  6 KB (610 words) - 23:05, 29 July 2020
• Cyperus hystricinus
  loosely to densely ovoid, oblong (2 times long as wide), 10–12 × 6–9 mm; rays 6–11, 1–16 cm, glabrous; bracts 5–10, ascending at 30–45°, flat, 6–25 cm
  7 KB (605 words) - 01:38, 30 July 2020
• Gutierrezia texana
  or obovate scales 0.1–0.5 mm (bases sometimes connate, usually shorter in rays, sometimes 0 in var. texana). Generated Map Legacy Map Ark., Ill., La., Mo
  5 KB (605 words) - 21:29, 29 July 2020
• Symphyotrichum subg. Ascendentes
  or elliptic (apices sometimes foliaceous, outer rarely wholly foliaceous). Rays florets (10–) 14–60 in 1 series, laminae 8–13 (–15) × 1–1.5 (–2) mm. Disc
  6 KB (703 words) - 21:10, 29 July 2020
• Physaria ovalifolia
  (foliage usually scabrous), trichomes (sessile or short-stalked), several-rayed, rays furcate near base, (usually strongly umbonate, roughly tuberculate, less
  7 KB (745 words) - 11:57, 30 July 2020
• Cyperus hermaphroditus
  oblong-cylindric, (10–) 25–45 (–62) × 7–22 mm, 11–21 spikelets per 5 mm of rachis; rays (3–) 5–10 (–17), (1–) 5–12 (–24) cm; bracts (2–) 4–8, ascending at 30–45°
  8 KB (597 words) - 01:38, 30 July 2020
• Berteroa incana
  (2–) 2.5–4 mm; valves obtuse at both ends, trichomes sometimes with unequal rays; style 1–4 mm, sparsely pubescent basally. Seeds slightly flattened, narrowly
  6 KB (717 words) - 12:07, 30 July 2020
• Cyperus diandrus
  flat, 5–20 cm × 1.5–3 mm. Inflorescences: heads ± digitate, 12–22 mm diam.; rays 3–6, 1–6 cm; bracts 1–4, ± horizontal, flat, 1.5–15 cm × 1.5–3 mm. Spikelets
  6 KB (524 words) - 01:34, 30 July 2020
• Pericallis
  barbellate bristles (discs), sometimes 2 setiform to subulate scales or 0 (rays). x = 30. Introduced; Macaronesia (Canary Islands), Macaronesia (Azores)
  8 KB (541 words) - 21:21, 29 July 2020
• Physaria newberryi
  persistent leaf-bases, cespitose); densely (silvery) pubescent, trichomes rays fused at least 1/2 their length. Stems several from base, ascending to erect
  7 KB (828 words) - 11:57, 30 July 2020
• Physaria floribunda
  branched, (cespitose); (silvery) pubescent throughout, trichomes several-rayed, rays mostly furcate, (arms of unequal lengths, finely tuberculate). Stems several
  6 KB (666 words) - 11:56, 30 July 2020
• Physaria hemiphysaria
  sparsely to densely pubescent, trichomes (sessile or short-stalked), 4–6-rayed, rays furcate or bifurcate, distinct or slightly fused at base, (sometimes umbonate
  7 KB (703 words) - 11:57, 30 July 2020
• Cyperus echinatus
  scabridulous. Inflorescences: spikes densely globose to globose-ovoid, 8–17 mm wide; rays 3–12, 2–12 cm, scaberous adaxially especially distally; rachis 4–8 mm; bracts
  8 KB (719 words) - 01:38, 30 July 2020
• Cyperus floribundus
  mm. Inflorescences: spike 1, densely oblong to ellipsoid, 8–36 × 8–20 mm; rays 4–12, 10–20 cm; bracts 3–6, horizontal to ascending at 30°, V-shaped, 3–15
  8 KB (611 words) - 01:39, 30 July 2020
• Cyperus cephalanthus
  ribs on abaxial surface. Inflorescences: spikes ovoid, 12–20 × 13–18 mm; rays 3–6, 4–10 (–16) cm, glabrous; bracts 3–5, ± horizontal to reflexed, 3–12
  8 KB (638 words) - 01:38, 30 July 2020
• Cyperus croceus
  Inflorescences: spikes densely to loosely globose to ovoid, 10–20 mm wide; rays (3–) 5–9 (–14), 1–15 (–26) cm; rachis 3–6 (–9) mm; bracts (4–) 6–9 (–11)
  8 KB (611 words) - 01:38, 30 July 2020
• Cyperus compressus
  1.5–3 mm. Inflorescences: spikes ± digitate, ± globose, 7–40 × 10–20 mm; rays (0–) 1–6, 2–12 cm; if absent, inflorescence a sessile cluster of (1–) 3–10
  8 KB (590 words) - 01:36, 30 July 2020
• Cyperus erythrorhizos
  rather densely cylindric-ovoid, (4–) 10–30 (–45) × (6–) 10–16 (–23) mm; rays 2–6 (–12), 1–8 (–28) cm; bracts (3–) 5–7 (–11), horizontal to ascending at
  8 KB (614 words) - 01:36, 30 July 2020
• Cyperus flavescens
  6) mm. Inflorescences: spikes 1–3, ovoid or ± digitate, 10–30 × 8–26 mm; rays 1–4 (–6), 0.5–3 (–9) cm; bracts 2–3, approximately horizontal, 1–12 cm ×
  7 KB (613 words) - 01:35, 30 July 2020
• Cyperus fendlerianus
  ovoid-cylindric, (12–) 18–30 × (6–) 12–20 mm, remaining spikes 1/2 as large; rays absent; bracts (2–) 3–6 (–10), ± horizontal to reflexed parallel to culm
  9 KB (633 words) - 01:37, 30 July 2020
• Cyperus lecontei
  × 2–5 mm. Inflorescences: heads digitate, 10–40 mm diam.; rays 5–12, 1–12 cm; 2d order rays 1–3 cm; bracts 3–5, horizontal, flat to V-shaped, 1–15 cm ×
  6 KB (479 words) - 01:33, 30 July 2020
• Cyperus onerosus
  × 2–3 mm. Inflorescences: heads digitate, 12–20 mm diam.; rays 7–12, 1–13 cm; 2d order rays 1–3 cm (sometimes absent); bracts 3–5, longest ± erect, V-shaped
  7 KB (530 words) - 01:33, 30 July 2020
• Heliopsis
  (paleae tardily falling, yellowish, conduplicate, becoming chartaceous). Ray-florets [0] 5–20, pistillate, fertile; corollas yellow to orange (laminae
  7 KB (546 words) - 23:00, 29 July 2020
• Flaveria campestris
  2–1.7 mm. Cypselae oblanceolate, linear, or oblong, 2.8–3.6 mm (those of rays longer by ca. 0.2 mm), pappi 0.2n = 36 (18). Phenology: Flowering May–Nov
  6 KB (605 words) - 23:35, 29 July 2020
• Psilostrophe tagetina
  crowded, corymbiform arrays. Peduncles (3–) 12–20 (–40) mm. Involucres 4–8 mm. Rays 3–4 (–6); laminae (3–) 7–14+ mm, spreading in fruit. Disc-florets 6–9 (–12)
  5 KB (550 words) - 22:41, 29 July 2020
• Nuphar rubrodisca
  stigmatic disk red, 8-14 mm diam., with 8-14 shallow crenations; stigmatic rays 8-15, linear, terminating 0-1.6 mm from margin of disk. Seeds 2.5-3.5 mm
  6 KB (519 words) - 08:40, 30 July 2020
• Symphyotrichum subg. Chapmaniani
  (bases indurate), green zones narrowly lanceolate (faces sparsely villous). Rays florets 8–23 in 1 series; laminae (10–) 14–15 (–20) × 0.8–2.2 mm. Disc corollas
  5 KB (573 words) - 21:00, 29 July 2020
• Solidago canadensis var. canadensis
  North America Association Mid to proximal stems glabrous or sparsely hairy. Rays florets 7–15 (–18). 2n = 18. Phenology: Flowering Aug–Oct. Habitat: Old fields
  3 KB (871 words) - 21:40, 29 July 2020
• Thysanocarpus radians
  glabrous, trichomes pointed, ± 0.2 mm; wing entire or with undulate margins, rays distinct, ± 0.1 mm wide. Phenology: Flowering Mar–Apr. Habitat: Meadows in
  4 KB (645 words) - 12:02, 30 July 2020
• Nuphar polysepala
  disk; stigmatic disk green, 20-35 mm diam., entire to crenate; stigmatic rays 8-26 (-36), linear to lanceolate, terminating within 1 (-1.5) mm from margin
  6 KB (466 words) - 08:38, 30 July 2020
• Physaria eriocarpa
  branched, (thickened, cespitose); densely pubescent, trichomes 5-rayed or 6-rayed, rays slightly fused at base, furcate or bifurcate, (tuberculate throughout)
  5 KB (647 words) - 11:55, 30 July 2020
• Flaveria brownii
  funnelform, 1.2–1.5 mm (distal 1/2 expanded). Cypselae linear, 1.5–2 mm (those of rays longer); pappi 0.2n = 36. Phenology: Flowering Jun–Dec. Habitat: Saline,
  5 KB (556 words) - 23:35, 29 July 2020
• Draba spectabilis
  surfaces pubescent with sessile, often 4-rayed trichomes, 0.1–0.6 mm (longest rays parallel to midvein, lateral rays sometimes reduced to tiny spurs), sometimes
  9 KB (851 words) - 12:14, 30 July 2020
• Hermannia
  trichome rays of terminal trichome of fringe process with trichome rays ascending, fine, and only slightly firmer or slightly longer than trichome rays of hairs
  12 KB (659 words) - 11:22, 30 July 2020
• Arnica
  persistent, 5–23 in (1–) 2 series. Receptacles convex, smooth or pitted, epaleate. Ray-florets 0, or 5–22, pistillate, fertile; corollas yellow to orange. Disc-florets
  16 KB (834 words) - 23:57, 29 July 2020
• Scirpus ancistrochaetus
  distal leaf-axil; rays all arching or sometimes 1 or 2 ascending, distal branches scabrous, proximal branches smooth, rarely scabrellous, rays sometimes with
  7 KB (569 words) - 01:26, 30 July 2020
• Scirpus longii
  Inflorescences terminal; rays ascending or sometimes spreading, scabrous throughout or main branches smooth proximally, rays rarely with axillary bulblets;
  7 KB (583 words) - 01:30, 30 July 2020
• Scirpus microcarpus
  mm. Inflorescences terminal; rays divaricate or ascending, proximal branches almost smooth, distal branches scabrous, rays without axillary bulblets; bases
  9 KB (717 words) - 01:30, 30 July 2020
• Scirpus atrocinctus
  Inflorescences terminal; rays ascending or sometimes spreading, scabrous throughout or main branches smooth proximally, rays rarely with axillary bulblets;
  8 KB (734 words) - 01:31, 30 July 2020
• Scirpus expansus
  Inflorescences terminal; rays divaricate or occasionally ascending, proximal branches scabrellous (rarely smooth), distal branches scabrous, rays without axillary
  7 KB (647 words) - 01:29, 30 July 2020
• Scirpus georgianus
  terminal; rays ascending or divaricate (often both in the same inflorescence), proximal branches smooth, distal branches scabrous or scabrellous, rays often
  9 KB (900 words) - 01:55, 30 July 2020
• Scirpus atrovirens
  leaf-axil; rays ascending or divergent (commonly both in the same inflorescence), proximal branches smooth, distal branches scabrellous to scabrous, rays often
  8 KB (679 words) - 02:13, 30 July 2020
• Scirpus pallidus
  distal leaf-axil; rays ascending or divergent (commonly both in same inflorescence), smooth throughout or scabrous at distal end, rays without axillary
  8 KB (642 words) - 01:21, 30 July 2020
• Scirpus cyperinus
  Inflorescences terminal; rays ascending or sometimes spreading, scabrous throughout or main branches smooth proximally, rays without axillary bulblets;
  10 KB (799 words) - 01:31, 30 July 2020
• Cyperus ochraceus
  heads loosely to rather densely hemispheric, 15–30 mm diam.; rays 5–10, 2–12 cm; 2d order rays occasionally produced, 5–25 mm; bracts 4–8, approximately horizontal
  7 KB (567 words) - 01:34, 30 July 2020
• Scirpus pedicellatus
  cm × 5–9 mm. Inflorescences terminal; rays ascending, scabrous throughout or main branches smooth proximally, rays rarely with axillary bulblets; bases
  7 KB (538 words) - 01:31, 30 July 2020
• Scirpus hattorianus
  cm × 5–9 mm. Inflorescences terminal; rays ascending or divaricate (usually both in the same inflorescence), rays often bearing axillary bulblets, proximal
  8 KB (741 words) - 02:07, 30 July 2020
• Scirpus polyphyllus
  lateral inflorescence from distal leaf-axil; rays divaricate, smooth throughout or scabrous distally, rays usually with axillary bulblets; bases of involucral-bracts
  7 KB (534 words) - 01:27, 30 July 2020
• Physaria engelmannii
  aerial); densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays simple or furcate, distinct or fused at base, (asymmetrical with deep
  6 KB (716 words) - 11:55, 30 July 2020
• Boechera
  pubescent, rarely hirsute or hispid, trichomes simple or branched, 2–14-rayed, sometimes dendritic, not stellate. Stems erect, ascending, or decumbent
  73 KB (2,294 words) - 12:15, 30 July 2020
• Asteraceae tribe Anthemideae
  paleae usually falling, oblong to linear or filiform, flat or ± conduplicate). Ray-florets 0 or in 1 (–2+) series, usually pistillate and fertile, rarely neuter
  23 KB (1,089 words) - 20:43, 29 July 2020
• Asteraceae tribe Senecioneae
  sometimes conic, epaleate (sometimes pitted, pit margins often fimbrillate). Ray-florets 0 or in 1 (–2+) series, usually pistillate and fertile, rarely neuter
  23 KB (1,021 words) - 21:10, 29 July 2020
• Ephedraceae
  flora. Only Ephedra has small cones, ring porous wood, wide multiseriate rays, and vessels in older stems. Since antiquity, several species of Ephedra
  9 KB (479 words) - 00:34, 30 July 2020
• Oönopsis foliosa
  architecture","phyllarie quantity","phyllarie shape","phyllarie size","ray-floret architecture","ray-floret reproduction","receptacle architecture","receptacle relief"
  5 KB (570 words) - 22:27, 29 July 2020
• Pseudoclappia
  Receptacles convex, usually epaleate, rarely with scattered, slender scales. Ray-florets 2–11, pistillate, fertile; corollas yellowish. Disc-florets 20–40+
  6 KB (438 words) - 23:36, 29 July 2020
• Tithonia
  architecture or shape","phyllary atypical quantity","ray-floret atypical quantity","ray-floret presence","ray-floret reproduction","scale atypical quantity"
  8 KB (598 words) - 23:14, 29 July 2020
• Aster
  short-stipitate-glandular. Receptacles flat or convex, pitted, epaleate. Ray-florets 14–55 (–100) [–150] in 1 series, pistillate, fertile; corollas white
  10 KB (642 words) - 21:31, 29 July 2020
• Bidens
  sometimes yellow to orange, with darker striae) ± flat to slightly navicular. Ray-florets usually 1–21+ (often 3, 5, 8, or 13), sometimes 0, usually neuter
  22 KB (1,036 words) - 23:27, 29 July 2020
• Solidago rugosa var. rugosa
  divergent and recurved arrays, proximal branches sometimes much elongated. Rays florets 4–13.2n = 18, 36. Phenology: Flowering Aug–Oct. Habitat: A range
  5 KB (986 words) - 21:39, 29 July 2020
• Physaria brassicoides
  large); (silvery) pubescent throughout, trichomes (sessile), several-rayed, rays furcate, (slightly umbonate, tuberculate throughout). Stems several from
  6 KB (691 words) - 11:55, 30 July 2020
• Doellingeria sericocarpoides
  cycle","proximal cauline leaf size","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  7 KB (648 words) - 22:01, 29 July 2020
• Perityle ambrosiifolia
  (apices usually short-attenuate, sometimes acute). Ray-florets usually 0 (sometimes 1–2 reduced rays in isolated heads, laminae color unknown, 3–5 × 1.5–2
  7 KB (669 words) - 23:50, 29 July 2020
• Flaveria trinervia
  throats campanulate, 0.5–0.8 mm. Cypselae oblanceoloid to subclavate, 2–2.6 mm (rays longer); pappi 0.2n = 36. Phenology: Flowering Mar–Dec. Habitat: Near water
  7 KB (694 words) - 23:36, 29 July 2020
• Nuphar variegata
  green, rarely reddened, 8-20 mm diam., entire to deeply crenate; stigmatic rays 7-28, linear to narrowly lanceolate, terminating 0-1 (-1.5) mm from margin
  7 KB (664 words) - 08:40, 30 July 2020
• Physaria congesta
  leaf-bases); densely pubescent, trichomes (appressed, stiff), 4-rayed or 5-rayed, rays fused at center, (mostly bifurcate). Stems simple or few from base
  5 KB (689 words) - 11:55, 30 July 2020
• Doellingeria infirma
  cycle","proximal cauline leaf size","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  7 KB (709 words) - 22:01, 29 July 2020
• Nuphar microphylla
  stigmatic disk red, 2.5-7 mm diam., with 6-10 deep crenations; stigmatic rays 6-11, linear, terminating 0-0.2 mm from margin of disk. Seeds ca. 3 mm. 2n
  7 KB (566 words) - 08:42, 30 July 2020
• Physaria scrotiformis
  silvery purple), densely pubescent, trichomes usually 5 or 6 (rarely 7) -rayed, rays bifurcate or incompletely so, (relatively short, stout, umbonate, moderately
  6 KB (764 words) - 11:58, 30 July 2020
• Eucephalus ledophyllus var. covillei
  in FNA Volume 20. Treatment on page 42. Peduncles glandular, not cottony. Rays usually 5 or 8.2n = 18. Phenology: Flowering Jul–Aug. Habitat: Montane meadows
  3 KB (501 words) - 21:54, 29 July 2020
• Calyptocarpus vialis
  Leggitt Copyright: Flora of North America Association Leaf-blades 1–3 (–6) cm. Rays often inconspicuous, laminae mostly 2–5 mm. Cypselae 2–4 mm; pappi of ± erect
  3 KB (514 words) - 23:13, 29 July 2020
• Quercus durata var. durata
  deeply cupped, margins revolute; surfaces abaxially with hairs usually 1-2 mm, rays curly, adaxially grayish or yellowish, with persistent stellate-pubescence
  2 KB (519 words) - 08:33, 30 July 2020
• Doronicum plantagineum
  cm. Phyllaries linear-lanceolate, 14–20 mm, lengths about 2/3 rays, apices filiform. Ray corollas 18–27 mm. 2n = 120. Phenology: Flowering Mar–May. Habitat:
  4 KB (463 words) - 21:22, 29 July 2020
• Acamptopappus shockleyi
  quantity","phyllarie shape","phyllarie size","ray-floret architecture","ray-floret presence","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  3 KB (453 words) - 21:46, 29 July 2020
• Syntrichopappus lemmonii
  mm, margins entire. Peduncles 3–5 mm. Involucres 4–5 mm. Phyllaries 5–8. Rays white or pinkish with reddish veins, laminae 2–3 mm. Cypselae 2–2.5 mm, glabrous
  4 KB (530 words) - 00:01, 30 July 2020
• Eucephalus ledophyllus var. ledophyllus
  Treatment on page 42. Peduncles glandular or not, at least ± woolly or cottony. Rays usually 13 or 21.2n = 18. Phenology: Flowering Jul–Sep. Habitat: Meadows
  2 KB (467 words) - 21:54, 29 July 2020
• Doronicum orientale
  Phyllaries linear-lanceolate, 8–14 (–18) mm, lengths about 1/2 rays, apices acute. Ray corollas 12–28 mm. 2n = 60. Phenology: Flowering Mar–May. Habitat:
  4 KB (487 words) - 21:22, 29 July 2020
• Sericocarpus
  (faces glabrate to hairy). Receptacles slightly convex, pitted, epaleate. Ray-florets 1–6, pistillate, fertile; corollas white. Disc-florets 5–19, bisexual
  11 KB (857 words) - 21:31, 29 July 2020
• Herrickia
  stipitate-glandular. Receptacles flat to slightly convex, pitted, epaleate. Ray-florets 8–27, pistillate, fertile; corollas white to purple (coiling at maturity)
  10 KB (687 words) - 22:18, 29 July 2020
• Brassicaceae
  strongly latiseptate, winged, with radiating rays. Thysanocarpus 25 Fruits terete, not winged, without radiating rays > 26 26 Perennials (rhizomatous), hirsute;
  107 KB (3,718 words) - 12:07, 30 July 2020
• Draba arctica
  scapose. Stems unbranched, 0.3–1.7 (–2.4) dm, pubescent, trichomes 4–10-rayed (rays sometimes branched), 0.1–0.3 mm, with fewer, simple ones, to 0.7 mm. Basal
  9 KB (849 words) - 12:09, 30 July 2020
• Draba cinerea
  3–) 0.5–1.6 (–2.7) dm, pubescent throughout, trichomes 4–10-rayed, 0.1–0.3 mm, (often some rays branched, simple trichomes sparse, to 0.6 mm). Basal leaves
  9 KB (933 words) - 12:10, 30 July 2020
• Waltheria bahamensis
  and/or sparsely hispidulous with rays planar, almost lepidote, at times moderately dense finely pubescent, trichome rays 0.1–0.5 mm, densely subsessile-glandular
  12 KB (740 words) - 11:23, 30 July 2020
• Hymenothrix
  tinged with purple). Receptacles flat or convex, knobby or smooth, epaleate. Ray-florets 0, or 3–8+, pistillate, fertile; corollas yellowish. Disc-florets
  7 KB (564 words) - 00:02, 30 July 2020
• Heterotheca
  densely so distally). Receptacles slightly convex, subulate, pitted, epaleate. Ray-florets (4–) 30 (0 in H. oregona), pistillate, fertile; corollas yellow (tubes
  25 KB (1,511 words) - 21:54, 29 July 2020
• Doellingeria
  sometimes strigose distally. Receptacles slightly convex, pitted, epaleate. Ray-florets 2–10 (–16), pistillate, fertile; corollas white. Disc-florets 4–25
  10 KB (712 words) - 21:58, 29 July 2020
• Arctanthemum arcticum subsp. arcticum
  Heads 1–2 (–3), 19–29 mm diam. (flattened, excluding rays). Peduncular bracts 9–19 × 1–2 mm. Ray laminae (15–) 17–25 (–31) × (3.2–) 3.4–5.5 (–8.2) mm,
  5 KB (689 words) - 20:51, 29 July 2020
• Baileya pleniradiata
  hemispheric, mostly 5–8 × 7–12 mm Phyllaries mostly 21–34, floccose-tomentose. Rays mostly 20–40; laminae elliptic to obovate, mostly 7–10 × 4-7 mm, apices shallowly
  6 KB (608 words) - 22:38, 29 July 2020
• Eucephalus breweri
  abaxial faces glabrate and eglandular to moderately woolly or glandular. Rays 0. Cypselae strigose; pappus bristles in 1 series (6–10 mm), barbellate.
  5 KB (543 words) - 21:49, 29 July 2020
• Eucephalus glaucescens
  (unequal), apices acuminate, abaxial faces sparsely stipitate-glandular. Rays commonly 8 or 13, purple. Cypselae obconic, flattened, strigose; pappus bristles
  5 KB (549 words) - 21:52, 29 July 2020
• Eucephalus paucicapitatus
  lance-linear (unequal), apices acute, abaxial faces stipitate-glandular. Rays 7–13 (–21), white. Cypselae obconic, pilose; pappus bristles in 2 series
  5 KB (530 words) - 21:55, 29 July 2020
• Quercus durata var. gabrielensis
  cupped, sometimes almost planar; surfaces abaxially with hairs usually 2-4 mm, rays arched, curved or straight, not curly, adaxially green, glossy, usually glabrate
  4 KB (625 words) - 08:22, 30 July 2020
• Baileya pauciradiata
  campanulate, mostly 5–8 × 5–8 mm. Phyllaries mostly 8–13, floccose-tomentose. Rays mostly 5–7; laminae elliptic to ovate, mostly 5–8 × 4–6 mm, apices shallowly
  6 KB (669 words) - 22:39, 29 July 2020
• Eucephalus gormanii
  ovate (unequal), apices acute, abaxial face glabrous or glandular-hairy. Rays (5–) 8–13, white (often pinkish in bud). Cypselae pilose; pappus bristles
  4 KB (513 words) - 21:52, 29 July 2020
• Thysanocarpus conchuliferus
  spatulate lobes (these sometimes joined distally, 0.25–0.4 mm wide at narrowest), rays absent or indistinct. Phenology: Flowering Mar–Apr. Habitat: Rocky ridges
  5 KB (671 words) - 12:02, 30 July 2020
• Eucephalus glabratus
  narrowly ovate (unequal), apices acute, abaxial glabrous or sparsely glandular. Rays 0 or 1–2 (–4), violet-purple. Cypselae appressed-pilose; pappus bristles
  5 KB (523 words) - 21:51, 29 July 2020
• Arnica discoidea
  ovatelanceolate to narrowly lanceolate. Ray-florets usually 0 (corollas of peripheral florets rarely dilated, resembling rays). Disc-florets 20–50; corollas yellow;
  6 KB (576 words) - 23:59, 29 July 2020
• Eucephalus elegans
  apices acute, abaxial faces moderately to densely puberulent and glandular. Rays usually 5 or 8, purple. Cypselae strigose; pappus bristles in 2 series, barbellate
  5 KB (514 words) - 21:49, 29 July 2020
• Erigeron eatonii var. eatonii
  Phyllaries sparsely villous (hairs mostly 0.3–0.8 mm), minutely glandular. Rays: laminae 5–7 mm. Disc corollas 3–4 (–5) mm. Cypselae 1.7–2.4 mm; pappi of
  4 KB (563 words) - 21:58, 29 July 2020
• Eucephalus tomentellus
  (strongly unequal), apices acute, abaxial faces tomentose to stipitate-glandular. Rays (0–) 1–3 (–6), violet-purple. Cypselae glabrous or pilose; pappus bristles
  5 KB (536 words) - 21:56, 29 July 2020
• Eucephalus engelmannii
  villous adaxially, especially distally (appearing ciliate toward tips). Rays usually 8 or 13, white to pink. Cypselae usually pilose; pappus bristles
  5 KB (567 words) - 21:50, 29 July 2020
• Solidago canadensis var. hargeri
  page 152. Mentioned on page 151. Mid to proximal stems moderately hairy. Rays florets 5–10 (–13), averaging ca. 9.2n = 18. Phenology: Flowering Aug–Oct
  3 KB (873 words) - 21:40, 29 July 2020
• Solidago sect. Solidago
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  3 KB (603 words) - 21:32, 29 July 2020
• Scirpus
  scales and giving inflorescence a woolly appearance; achenes 0.6–1 mm. > 4 3 Rays and pedicels scabrous or scabrellous throughout or only in distal 1/2, often
  17 KB (757 words) - 01:31, 30 July 2020
• Arabis
  simple rays; sepals 2.5-4(-4.7) mm. Arabis alpina 3 Petals 10-19 × 4-8 mm; fruits (3-)4-7 cm; basal leaves: blade trichomes stellate with some rays branched;
  15 KB (974 words) - 12:07, 30 July 2020
• Cyperus prolixus
  (2–) 3–45 mm × (4–) 7–10 mm; rays (5–) 9–12, 2–22 (–30) cm; 2d order rays distinctly flattened, 1–10 cm; 3d order rays flattened, 0.5–3 cm; rachis 2.5–4
  8 KB (589 words) - 01:35, 30 July 2020
• Cyperus polystachyos
  turbinate, 12–40 × 10–25 mm; rachis 3–10 mm; rays 1–8 (–12), 0.5–3 (–6) cm; 2d order rays absent; if rays absent, inflorescence single dense cluster of
  9 KB (651 words) - 01:34, 30 July 2020
• Cyperus oxylepis
  Association Herbs, perennial, cespitose, coarse, (culms, leaves, bracts, and rays viscid). Culms roundly trigonous, 10–50 cm × 0.9–2.4 mm. Leaves: adaxial
  7 KB (635 words) - 01:36, 30 July 2020
• Cyperus planifolius
  Inflorescences: spikes ovoid, 1.5–3 × 1.5–3 cm; rays 4–7, 1–10 cm; 2d order rays occasionally present, 0.5–2 cm, rays often not elongate, inflorescence then capitate
  7 KB (572 words) - 01:36, 30 July 2020
• Symphyotrichum subg. Symphyotrichum
  fusion","phyllarie life cycle","phyllarie texture","ray-floret architecture","ray-floret presence","ray-floret reproduction","style pubescence","style relief"
  7 KB (663 words) - 21:03, 29 July 2020
• Cyperus manimae var. asperrimus
  Inflorescences: if rays absent, spikes 1–3 (–4), sessile, (occasionally so densely congested, individual spikes not discernible), or if rays present, spikes
  11 KB (804 words) - 01:38, 30 July 2020
• Erigeron poliospermus
  "phyllarie shape","phyllarie size","phyllarie variability","ray-floret architecture","ray-floret reproduction","receptacle architecture","receptacle relief"
  6 KB (572 words) - 22:00, 29 July 2020
• Erigeron pulchellus
  shape","phyllarie size","phyllarie variability","ray-floret architecture","ray-floret presence","ray-floret reproduction","receptacle architecture","receptacle
  7 KB (645 words) - 22:10, 29 July 2020
• Helianthus praecox
  shape","pappus life cycle","pappus presence","phyllary duration","ray-floret architecture","ray-floret presence","receptacle architecture","receptacle shape"
  7 KB (633 words) - 23:15, 29 July 2020
• Symphyotrichum ascendens
  atypical length","lamina atypical width","lobe orientation","rays floret atypical quantity","rays floret quantity","stem fragility","x chromosome quantity"]}
  8 KB (767 words) - 21:10, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Baeriinae
  glabrous or hairy), usually epaleate (paleae usually 0, rare in Eriophyllum). Ray-florets 0 or 4–21, pistillate, fertile (3–8 peripheral florets pistillate
  11 KB (627 words) - 23:52, 29 July 2020
• Physaria arizonica
  (silvery gray) pubescent, trichomes (sessile or subsessile), (4-), 6-rayed, or 8-rayed, rays fused at base, furcate or bifurcate, (slightly umbonate, tuberculate
  7 KB (824 words) - 11:55, 30 July 2020
• Ericameria
  stipitate-glandular, often resinous. Receptacles slightly convex, pitted, epaleate. Ray-florets 0, or 1–18, pistillate, fertile; corollas usually yellow (white in
  23 KB (1,156 words) - 22:11, 29 July 2020
• Symphyotrichum lanceolatum
  pubescence","head architecture","lamina quantity","ray floret atypical quantity","ray floret quantity","ray floret size","series length","series width","stem
  14 KB (1,045 words) - 21:06, 29 July 2020
• Cyperus setigerus
  4–7 mm. Inflorescences: spikes loosely ovoid, 1.5–7 cm wide; rays 5–13, 1–21 cm; 2d order rays 0.5–3 cm; bracts 3–8, V-shaped, 5–50 cm × 2.5–5.6 mm; rachilla
  5 KB (480 words) - 01:35, 30 July 2020
• Cyperus pilosus
  Inflorescences: spikes 1–4 (–6), loosely oblong-ovoid, 2–3 × 1–2 cm; rays 3–10, 1–16 cm; 2d order rays to 3 cm; rachis hispidulous, prickles slender, 0.1–0.2 mm;
  7 KB (544 words) - 01:35, 30 July 2020
• Scirpus congdonii
  inflorescence from distal leaf-axil; rays ascending to divaricate, smooth or weakly scaberulous near nodes, rays without axillary bulblets; bases of involucral-bracts
  6 KB (498 words) - 01:27, 30 July 2020
• Physaria argyraea subsp. argyraea
  densely pubescent, trichomes (sessile or short-stalked), few to several-rayed, rays fused at base, (smooth or finely tuberculate). Stems simple or several
  6 KB (724 words) - 11:55, 30 July 2020
• Aster tataricus
  "phyllarie quantity","phyllarie size","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  9 KB (695 words) - 21:53, 29 July 2020
• Physaria curvipes
  pubescent, trichomes (often wavy, closely appressed to blade surfaces), 4–5-rayed, rays furcate or bifurcate, slightly fused near base, (tuberculate throughout)
  5 KB (664 words) - 11:55, 30 July 2020
• Physaria calcicola
  densely (silvery) pubescent, trichomes (sessile or short-stalked), 5–8-rayed, rays distinct, furcate or bifurcate, (umbonate, tuberculate and the center
  6 KB (687 words) - 11:55, 30 July 2020
• Physaria arctica
  cespitose); ± densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays distinct, furcate or bifurcate, (somewhat umbonate, finely tuberculate
  7 KB (742 words) - 11:54, 30 July 2020
• Physaria condensata
  leaf-bases, cespitose); (silvery) pubescent throughout, trichomes several-rayed, rays typically furcate, (fused at base, arms slender, tuberculate throughout)
  6 KB (704 words) - 11:55, 30 July 2020
• Physaria dornii
  densely (silvery) pubescent throughout (except style), trichomes several-rayed, rays furcate, fused at base, (umbonate, tuberculate throughout). Stems simple
  6 KB (675 words) - 11:55, 30 July 2020
• Arabis alpina
  surfaces usually pubescent, rarely subglabrate, trichomes stellate with simple rays. Cauline leaves 3–5 (–6); blade oblong or ovate, 1–3 cm × 5–15 mm, base subcordate
  8 KB (833 words) - 12:07, 30 July 2020
• Gutierrezia sarothrae
  obovate scales (readily falling, those of discs 1/3–1/2 corollas, shorter on rays). 2n = 8, 16, 32. Phenology: Flowering Jul–Nov(–Jan). Habitat: Grasslands
  6 KB (659 words) - 21:29, 29 July 2020
• Quercus cornelius-mulleri
  minute, compact, appressed, (8-) 10-14 (-16) -rayed stellate hairs less than 0.2 mm diam. (lateral fusion of rays visible under high magnification), without
  7 KB (628 words) - 08:27, 30 July 2020
• Physaria bellii
  (relatively large); densely (silvery) pubescent, trichomes (sessile, appressed), rays furcate, fused at base. Stems simple from base, decumbent to nearly prostrate
  6 KB (713 words) - 11:55, 30 July 2020
• Physaria alpestris
  branched, (cespitose); (silvery) pubescent throughout, trichomes several-rayed, rays (1-bifurcate or) 2-bifurcate, (low-umbonate, tubercles relatively few
  6 KB (696 words) - 11:54, 30 July 2020
• Physaria alpina
  (silvery) pubescent throughout, trichomes (sessile or stipitate), 5–8-rayed, rays furcate or bifurcate, (rounded to umbonate, strongly tuberculate, less
  6 KB (758 words) - 11:54, 30 July 2020
• Draba brachycarpa
  dm, pubescent throughout, trichomes sessile, cruciform, 0.2–0.6 (–0.8) mm (rays often equal, or those parallel to stem axis longer). Basal leaves not rosulate;
  8 KB (820 words) - 12:09, 30 July 2020
• Cyperus reflexus
  essentially so. Inflorescences: heads ovoid to pyramidal, 9–15 mm diam.; rays 0 or 3–6, 0.5–4 cm, glabrous; bracts 3–4, longest erect, appearing as continuation
  7 KB (640 words) - 01:33, 30 July 2020
• Physaria angustifolia
  Annuals; with a fine taproot; ± densely pubescent, trichomes several-rayed, rays distinct or fused at base, bifurcate, (prominently tuberculate throughout)
  6 KB (688 words) - 11:54, 30 July 2020
• Physaria aurea
  densely pubescent, trichomes (sessile or short-stalked, simple or not), 5–9-rayed, rays furcate, (fine, smooth or finely tuberculate). Stems several from base
  6 KB (746 words) - 11:55, 30 July 2020
• Physaria cinerea
  spreading on pedicels and fruits, sessile or short-stalked), several-rayed, rays furcate or bifurcate, (strongly tuberculate throughout). Stems few from
  6 KB (702 words) - 11:55, 30 July 2020
• Nuphar advena
  green, occasionally reddened, 13-25 mm diam., entire to crenate; stigmatic rays 9-23, linear to lanceolate, terminating 1-3 mm from margin of disk. Seeds
  8 KB (682 words) - 08:31, 30 July 2020
• Arabis caucasica
  surfaces usually pubescent, rarely subglabrate, trichomes stellate with some rays branched. Cauline leaves 4–8; blade oblong or ovate, 1–5 cm × 5–20 mm, base
  7 KB (698 words) - 12:07, 30 July 2020
• Physaria chambersii
  branched, (thick, cespitose); (silvery) pubescent throughout, trichomes few-rayed, rays furcate, sometimes slightly fused at base, (umbonate, lightly tuberculate
  7 KB (781 words) - 11:55, 30 July 2020
• Physaria eburniflora
  Perennials; caudex usually simple; densely pubescent, trichomes (sessile), rays often furcate, fused toward base, (nearly smooth). Stems simple from base
  6 KB (679 words) - 11:55, 30 July 2020
• Solidago rugosa var. celtidifolia
  usually with elongate proximal branches greatly exceeding subtending leaves. Rays florets 5–9.2n = 18, 36. Phenology: Flowering Sep–Nov. Habitat: Sandy and
  4 KB (856 words) - 21:39, 29 July 2020
• Thysanocarpus curvipes
  0.2–0.4 mm, or pointed and ± 0.2 mm; wing entire, perforate, or incised, rays absent or distinct, (0–) 0.2–0.5 mm wide. Phenology: Flowering Feb–Jun. Habitat:
  7 KB (857 words) - 12:02, 30 July 2020
• Physaria cordiformis
  simple or branched; densely pubescent, trichomes (short-stalked), several-rayed, rays furcate or bifurcate, (sometimes slightly umbonate, prominently tuberculate)
  6 KB (681 words) - 11:55, 30 July 2020
• Solidago rugosa var. aspera
  usually with elongate proximal branches greatly exceeding subtending leaves. Rays florets 5–10.2n = 18, 36. Phenology: Flowering Aug–Nov. Habitat: Sandy, silty
  4 KB (920 words) - 21:39, 29 July 2020
• Physaria calderi
  branched; densely pubescent throughout, trichomes (sessile or subsessile), rays distinct or slightly fused at base, furcate or bifurcate, (strongly umbonate
  6 KB (707 words) - 11:55, 30 July 2020
• Physaria densiflora
  densely pubescent, trichomes (spreading, sessile or short-stalked), 5–7-rayed, rays distinct and simple, (tuberculate, finely tubercled with a U-shaped notch
  6 KB (745 words) - 11:55, 30 July 2020
• Symphyotrichum sect. Symphyotrichum
  "outer phyllarie architecture","phyllarie size","ray floret atypical quantity","ray floret quantity","ray floret size","series length","series width","stem
  4 KB (810 words) - 21:04, 29 July 2020
• Senecio
  margins usually scarious. Receptacles flat to convex, foveolate, epaleate. Ray-florets usually ± 5, 8, 13, or 21 [34], pistillate, fertile, sometimes 0;
  30 KB (1,295 words) - 21:10, 29 July 2020
• Packera
  hairy), margins usually ± scarious. Receptacles flat, foveolate, epaleate. Ray-florets 0 or (1–) 5–13, pistillate, fertile; corollas pale-yellow to orange-red
  40 KB (1,171 words) - 21:16, 29 July 2020
• Cyperus owanii
  Inflorescences: spikes 1–4 per ray, loosely ovoid to broadly ellipsoid, 12–20 × 8–12 mm; rays 6–9, 3–10 (–12) cm; 2d order rays 1–4, 1–2 cm; rachis 4–12 mm;
  7 KB (573 words) - 01:38, 30 July 2020
• Cyperus papyrus
  spikes loosely cylindric, 10–20 × 6–10 mm; rays 40–100, drooping or arching, slender, 10–30 cm; 2d order rays 8–20 cm; bracts 4–10, ± erect, V-shaped, 3–8
  6 KB (569 words) - 01:36, 30 July 2020
• Hermannia texana
  apex, trichome rays of terminal trichome of each fringe process ascending, fine, only slightly firmer or slightly longer than trichome rays of proximal hairs
  14 KB (909 words) - 11:22, 30 July 2020
• Physaria pachyphylla
  (silvery or gray) pubescent, trichomes (sessile), 5-rayed, rays bifurcate, slightly fused near base of main rays, (tuberculate throughout, less over umbo). Stems
  5 KB (680 words) - 11:57, 30 July 2020
• Cyperus niger
  ovoid to hemispheric, 7–16 mm diam.; rachis 1–2 mm, or absent; rays 1–2, 3–45 mm; if rays absent, inflorescence sessile, dense, 6–20 mm diam; bracts 2–3
  8 KB (598 words) - 01:34, 30 July 2020
• Cyperus lanceolatus
  1–2 mm. Inflorescences: spikes 1 (–2), ovoid, 5–23 × 9–21 mm; rays 2–3 (–4), 0–15 mm; if rays absent, head single, compact, sessile, (12–) 15–20 mm diam.;
  7 KB (519 words) - 01:35, 30 July 2020
• Solidago sempervirens
  "proximal blade architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret reproduction","receptacle architecture"
  9 KB (859 words) - 21:37, 29 July 2020
• Erigeron peregrinus
  shape","phyllarie size","phyllarie variability","ray-floret architecture","ray-floret presence","ray-floret reproduction","receptacle architecture","receptacle
  6 KB (611 words) - 22:11, 29 July 2020
• Erigeron pumilus
  shape","phyllarie size","phyllarie variability","ray-floret architecture","ray-floret presence","ray-floret reproduction","receptacle architecture","receptacle
  6 KB (601 words) - 22:01, 29 July 2020
• Juglans californica
  deciduous early in the growing season. They have short (0.1-0.2 mm), crisped rays and are never clustered or especially associated with vein axils. The fasciculate
  7 KB (581 words) - 08:31, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
  purplish striae, orbiculate to oblong or linear, ± flat to slightly cupped). Ray-florets 0 or 1–21+ (more in cultivars), pistillate and fertile, or neuter
  12 KB (744 words) - 23:22, 29 July 2020
• Asteraceae tribe Gnaphalieae
  epaleate, sometimes paleate (paleae sometimes enfolding pistillate florets). Ray-florets usually 0 (sometimes peripheral florets pistillate and corollas ±
  25 KB (1,822 words) - 20:30, 29 July 2020
• Psilostrophe bakeri
  loose, corymbiform arrays. Peduncles 15–35 (–50) mm. Involucres 7–9 (–12) mm. Rays 4–5 (–8); laminae 8–15+ mm, spreading in fruit. Disc-florets (10–) 12–15
  4 KB (480 words) - 22:41, 29 July 2020
• Helianthus praecox subsp. praecox
  15–30 cm. Phyllary apices short-acuminate. Paleae: middle teeth puberulent. Rays 14–15.2n = 34. Phenology: Flowering early summer–fall. Habitat: Sandy soils
  3 KB (541 words) - 23:15, 29 July 2020
• Hymenothrix loomisii
  duration","pappus shape","phyllary duration","ray-floret architecture","ray-floret presence","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  4 KB (531 words) - 00:02, 30 July 2020
• Hymenothrix wislizeni
  duration","pappus shape","phyllary duration","ray-floret architecture","ray-floret presence","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  3 KB (524 words) - 00:02, 30 July 2020
• Physaria lepidota subsp. lepidota
  Jr. Treatment appears in FNA Volume 7. Treatment on page 648. Trichomes: rays fused nearly to tips. Basal leaves: blades elliptic, apex usually obtuse
  2 KB (630 words) - 11:57, 30 July 2020
• Sanvitalia procumbens
  lance-linear, 10–60 × 4–31 mm. Phyllaries 13–21, unequal. Ray corollas 2–9 mm. Cypselae: rays 2.5–3.5 mm with awns 1–3 mm, clearly 3-faced, adaxial faces
  4 KB (527 words) - 23:00, 29 July 2020
• Croton alabamensis var. texensis
  scales unpigmented, others with dark reddish-brown center and reddish amber rays. Inflorescences 6–14-flowered, producing 0–6 fruits. Phenology: Flowering
  3 KB (398 words) - 18:30, 29 July 2020
• Psilostrophe cooperi
  (white). Heads borne singly. Peduncles 35–60 (–80+) mm. Involucres 6–8 mm. Rays 3–6; laminae (8–) 12–20 mm, spreading to reflexed in fruit. Disc-florets
  4 KB (494 words) - 22:41, 29 July 2020
• Sanvitalia ocymoides
  or obovate, 1–35 × 7–16 mm. Phyllaries 12–20, subequal. Ray corollas 1.5–2.5 mm. Cypselae: rays 4 mm (with awns 2–3 mm), clearly 3-faced, adaxial faces
  4 KB (532 words) - 23:00, 29 July 2020
• Solidago
  stipitate-glandular, sometimes resinous. Receptacles slightly convex, pitted, epaleate. Ray-florets (0–) 2–15 (–24), pistillate, fertile; corollas yellow, rarely white
  18 KB (1,000 words) - 21:32, 29 July 2020
• Silphium
  thinner, each subtending a ray-floret). Receptacles flat to slightly convex, paleate (paleae oblong, lanceolate, or linear). Ray-florets 8–35+ in 1–4 series
  10 KB (661 words) - 23:01, 29 July 2020
• Artemisia
  texture","phyllary life cycle","phyllary texture","ray-floret architecture","ray-floret quantity","ray-floret reproduction","series atypical quantity","style
  14 KB (1,396 words) - 20:45, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Pectidinae
  (receptacles sometimes pitted, pit margins sometimes fimbrillate to laciniate). Ray-florets 0 or 1–21+, pistillate, fertile; corollas yellow to orange (sometimes
  11 KB (674 words) - 23:30, 29 July 2020
• Asteraceae tribe Eupatorieae
  spheric or conic, usually epaleate, rarely paleate (paleae readily falling). Ray-florets 0. Disc-florets bisexual, fertile; corollas white, ochroleucous, or
  17 KB (728 words) - 22:41, 29 July 2020
• Pentachaeta
  Chaetopappa differs in various ways, including its consistently white (to bluish) rays, triangular to deltate style appendages (disc), and base chromosome number
  10 KB (665 words) - 22:02, 29 July 2020
• Cyperus sphaerolepis
  (1–) 3–20 (–26) cm × (0.5–) 1–3 (–5) mm; rays (1–) 2–6 (–11), (1–) 2–7 (–12) cm, in some depauperate plants rays less than 1 cm; rachilla ± deciduous, wingless
  10 KB (724 words) - 01:37, 30 July 2020
• Cyperus odoratus
  ovoid, or ± pyramidal, 10–20 (–40) × (8–) 10–30 (–35) mm; rays (0–2) 6–9 (–12), 2–8 (–13) cm; if rays absent, infloresence a single dense, capitate cluster
  12 KB (858 words) - 01:39, 30 July 2020
• Draba oxycarpa
  2–5-rayed, stellate trichomes, 0.1–0.4 mm, often some rays spurred and trichomes appearing subdendritic, rarely glabrate, or with simple and 2-rayed ones
  8 KB (839 words) - 12:13, 30 July 2020
• Cyperus strigosus
  (–50) × 10–40 mm; rays sometimes absent, usually (1–) 3–6 (–8), 0.5–7 (–25) cm; if absent, inflorescence a congested head; 2d order rays sometimes present
  10 KB (812 words) - 01:38, 30 July 2020
• Draba breweri
  surfaces densely pubescent with stalked, 4–10-rayed, stellate trichomes, 0.1–0.2 mm (sometimes 1 or more rays spurred). Cauline leaves 0–3 (–6); sessile;
  8 KB (845 words) - 12:09, 30 July 2020
• Waltheria indica
  narrowly rounded, obtuse, or subacute, surfaces tomentose or pubescent, trichome rays 0.4–1 mm, and sparsely hispidulous, slightly scabrous or not. Inflorescences
  9 KB (741 words) - 11:23, 30 July 2020
• Draba arabisans
  with sessile, non-crisped, 4-rayed or 5-rayed, stellate trichomes, 0.07–0.5mm, (some rays branched, appearing 2–12-rayed, midvein obscure abaxially). Cauline
  9 KB (889 words) - 12:09, 30 July 2020
• Draba borealis
  cruciform, or (2–) 4–6-rayed, 0.2–0.6 mm (principal rays usually simple, rarely 1 or 2 with a lateral branch, sometimes appearing to 10-rayed). Cauline leaves
  9 KB (927 words) - 12:09, 30 July 2020
• Physaria fendleri
  densely (silvery) pubescent, trichomes (sessile or short-stalked), several-rayed, rays not furcate, fused (webbed) ca. 1/2 their length, (tuberculate throughout
  8 KB (836 words) - 11:55, 30 July 2020
• Coreopsis
  scarious (not adnate to and not falling with cypselae except in C. bigelovii). Ray-florets mostly (5–) 8 (–12+, more in “double” cultivars), neuter, or styliferous
  12 KB (827 words) - 23:22, 29 July 2020
• Heterotheca villosa
  architecture","proximal blade pubescence","proximal blade shape","ray-floret architecture","ray-floret reproduction","receptacle architecture","receptacle relief"
  18 KB (1,184 words) - 21:57, 29 July 2020
• Juglans
  blunter leaflets. The fasciculate hairs on the veins normally have more rays than those on the blade. In addition to the types of hairs described below
  10 KB (556 words) - 08:22, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Helianthinae
  becoming hardened perigynia completely investing cypselae in Sclerocarpus). Ray-florets 0 or 5–30 (–100+), neuter, or styliferous and sterile; corollas usually
  10 KB (633 words) - 23:14, 29 July 2020
• Cyperus lupulinus subsp. lupulinus
  cm × 0.8–3.5 mm. Inflorescences: spikes loosely to densely ovoid, 8–16 mm; rays 0or 1–4, 1–6 cm; bracts 2–4, 6–25 cm. Spikelets 15–40 (–60), 6–22 × 3–4 mm;
  4 KB (525 words) - 01:37, 30 July 2020
• Cyperus pumilus
  flat, 5–20 cm × 1–2 mm. Inflorescences: heads ± digitate, 8–26 mm diam.; rays 1–6, 0.5–5 cm; bracts 3–4, ± horizontal, flat, 3–18 cm × 1–2 mm. Spikelets
  6 KB (550 words) - 01:35, 30 July 2020
• Physaria pendula
  page 622. Perennials; caudex simple; densely pubescent, trichomes 5–7-rayed, rays bifurcate or trifurcate. Stems several from base, erect or outer usually
  5 KB (645 words) - 11:58, 30 July 2020
• Cyperus lupulinus subsp. macilentus
  Leaves 5–20 cm × 0.8–2.7 mm. Inflorescences: spikes densely ovoid, 8–16 mm; rays 0 or 1–3, 1–4 cm; bracts 2–4, 4–15 cm. Spikelets 20–60, 3–7 × 2.5–3.5 mm;
  4 KB (556 words) - 01:37, 30 July 2020
• Solidago sempervirens subsp. mexicana
  Treatment appears in FNA Volume 20. Treatment on page 137. Involucres 3–4 mm. Rays 7–11. Disc-florets ca. 10–16.2n =18. Phenology: Flowering Sep–Dec. Habitat:
  3 KB (723 words) - 21:37, 29 July 2020
• Helianthus praecox subsp. runyonii
  Phyllary apices short-attenuate. Paleae: middle teeth white-villous (“bearded”). Rays 11–13 (–14). 2n = 34. Phenology: Flowering spring–fall. Habitat: Coastal
  4 KB (561 words) - 23:15, 29 July 2020
• Solidago sempervirens subsp. sempervirens
  Treatment appears in FNA Volume 20. Treatment on page 137. Involucres 4–7 mm. Rays 12–17. Disc-florets ca. 17–22.2n =18. Phenology: Flowering Aug–Sept. Habitat:
  3 KB (711 words) - 21:37, 29 July 2020
• Psilostrophe gnaphalodes
  crowded, corymbiform arrays. Peduncles (5–) 10–25 mm. Involucres 5–6 mm. Rays (2–) 3 (–4); laminae 4–6+ mm, spreading in fruit. Disc-florets 5–9 (–12)
  5 KB (529 words) - 22:41, 29 July 2020
• Gutierrezia sphaerocephala
  mm (distinct or basally connate 1/4–3/4 their lengths, usually shorter in rays). 2n = 8 (10). Phenology: Flowering (Feb–)May–Dec. Habitat: Grasslands, roadsides
  5 KB (605 words) - 21:29, 29 July 2020
• Cyperus sphacelatus
  2–4 mm. Inflorescences: spikes broadly ellipsoid, 5–45 × 10–30 (–45) mm; rays (2–) 5–9, (0.3–) 3–10 cm; rachis 4–17 mm; bracts 5–6, horizontal to ascending
  7 KB (521 words) - 01:36, 30 July 2020
• Cyperus parishii
  1–1.5 mm, glabrous. Inflorescences: spikes loosely ovoid, 15–25 mm wide; rays 1–6, 2–7 cm; bracts 2–5, 3–20 cm, ascending; rachilla deciduous, winged.
  5 KB (471 words) - 01:35, 30 July 2020
• Helianthus praecox subsp. hirtus
  Phyllary apices short-attenuate. Paleae: middle teeth white-villous (“bearded”). Rays 14–16.2n = 34. Phenology: Flowering early summer–fall. Habitat: Sandy soils
  4 KB (586 words) - 23:15, 29 July 2020
• Erigeron eatonii var. villosus
  densely villous (hairs mostly 1–2 mm), sometimes sparsely minutely glandular. Rays: laminae (5–) 6–8. Disc corollas 2.5–3.5 mm. Cypselae 1.7–2.2 mm; pappi of
  4 KB (585 words) - 21:59, 29 July 2020
• Physaria lepidota subsp. membranacea
  Rollins Treatment appears in FNA Volume 7. Treatment on page 648. Trichomes: rays fused in proximal 1/2. Basal leaves: blades linear-oblong, apex usually acute
  3 KB (654 words) - 11:57, 30 July 2020
• Nuphar sagittifolia
  stigmatic disk; stigmatic disk green, 14-18 mm diam., nearly entire; stigmatic rays 10-14, linear, mostly terminating 1-2 mm from margin of disk. Seeds 4-5 mm
  6 KB (501 words) - 08:41, 30 July 2020
• Cyperus serotinus
  V-shaped, 20–50 cm × 5–8 (–10) mm. Inflorescences: spikes not appearing lateral, rays 5–8, 2–7 (–12) cm; bracts 3–4, ± horizontal to ascending at 45°, V-shaped
  6 KB (478 words) - 01:35, 30 July 2020
• Scirpus diffusus
  terminal, rarely also with 1 lateral inflorescence from distal leaf-axil; rays spreading or ascending, smooth, without axillary bulblets; bases of involucral-bracts
  6 KB (501 words) - 01:28, 30 July 2020
• Rhynchospora indianolensis
  nearly capitate, 1.5–2 cm wide; 1 cluster nearly sessile, others on slender rays to 7 cm, sometimes penultimate node with single cluster on peduncle 7–12
  6 KB (583 words) - 01:40, 30 July 2020
• Physaria pulvinata
  forming hard mats); densely pubescent, trichomes (subsessile), 8–13-rayed, rays usually furcate, distinct, (umbonate, usually tuberculate, less so over
  5 KB (664 words) - 11:58, 30 July 2020
• Nuphar orbiculata
  green, yellow, or sometimes reddened, ca. 30-35 mm diam., undulate; stigmatic rays 12-28, linear or lanceolate, terminating 1-3 mm from margin of disk. Seeds
  5 KB (462 words) - 08:34, 30 July 2020
• Nuphar ulvacea
  stigmatic disk; stigmatic disk green, 11-18 mm diam., undulate; stigmatic rays 9-16, ± elliptic, terminating within 1 mm from margin of disk. Seeds 3.5-4
  5 KB (460 words) - 08:36, 30 July 2020
• Solidago rugosa var. sphagnophila
  compact to lax pyramidal arrays, branches divergent and recurved arrays. Rays florets 5–12.2n = 18, 54. Phenology: Flowering Aug–Oct. Habitat: Sandy and
  4 KB (839 words) - 21:39, 29 July 2020
• Psilostrophe villosa
  corymbiform arrays. Peduncles (0.5–) 1–3 (–5+) mm. Involucres 4–5 (–7) mm. Rays (2–) 3 (–5); laminae 3–4 (–6) mm, spreading in fruit. Disc-florets 5–8 (–12)
  5 KB (558 words) - 15:28, 15 December 2020
• Physaria subumbellata
  leaf-bases, cespitose); densely pubescent, trichomes (closely appressed), rays distinct, usually bifurcate. Stems several from base, erect, (unbranched
  5 KB (645 words) - 11:58, 30 July 2020
• Physaria kingii subsp. bernardina
  erect; trichomes tuberculate throughout, less densely so over the center, (rays often fused at base). Basal leaves: blade margins entire. Racemes not secund
  4 KB (640 words) - 11:57, 30 July 2020
• Quercus garryana
  densely to sparsely covered with semierect or erect, simple and (2-) 4-8-rayed, fasciculate hairs 0.1-1 mm, secondary-veins raised, adaxially bright or
  10 KB (694 words) - 08:45, 30 July 2020
• Lasthenia sect. Burrielia
  relatively thick stems, relatively broad, obscurely toothed leaves, relatively few rays, phyllaries that fall with cypselae, and similar induments. None. Lasthenia
  5 KB (617 words) - 23:53, 29 July 2020
• Asteraceae tribe Cardueae
  usually epaleate (often pitted and often bristly-setose or densely hairy). Ray-florets 0 (corollas of peripheral florets in radiant heads often notably enlarged
  15 KB (836 words) - 20:05, 29 July 2020
• Symphyotrichum defoliatum
  "cypsela pubescence","disc corolla size","lobe orientation","rays floret atypical quantity","rays floret quantity","stem fragility","x chromosome quantity"]}
  10 KB (701 words) - 21:10, 29 July 2020
• Lasthenia debilis
  green foliage and lightly pigmented, relatively short rays. Populations with white or nearly white rays, uncharacteristic for lasthenias, are known. None.
  6 KB (617 words) - 23:53, 29 July 2020
• Cyperus plukenetii
  turbinate, 10–12 × 6–9 mm, ± as long as wide; rays 6–12, 1–30 cm (longest bract equaling or shorter than longest ray), harshly scabrid; bracts 3–10, horizontal
  7 KB (564 words) - 01:38, 30 July 2020
• Cyperus mutisii
  Inflorescences: spikes (1–) 3–6, narrowly cylindric, 1–4 (–6) cm × 5–11 mm; rays 0 or 3–6, 2–23 cm; bracts 5–8, ascending at ± 45°, inversely W-shaped, (4–)
  9 KB (640 words) - 01:39, 30 July 2020
• Cyperus ligularis
  3–7, densely oblong-cylindric to ± globose, 10–28 (–35) × 8–12 (–15) mm; rays 5–12, 1–16 cm, densely papillose; bracts 5–12, ascending at 30–75°, flat
  8 KB (585 words) - 01:39, 30 July 2020
• Physaria gooddingii
  (cespitose); densely pubescent, trichomes (sessile or short-stalked), few-rayed, rays (ascending or erect), simple or infrequently furcate near base, (long
  6 KB (781 words) - 11:56, 30 July 2020
• Perityle megalocephala var. megalocephala
  of western and south-central Nevada and adjacent California. The lack of rays and pappus bristles separates var. megalocephala from the similar Perityle
  4 KB (582 words) - 23:49, 29 July 2020
• Rudbeckia
  oil-glands). Receptacles convex to conic, smooth or finely pitted, epaleate. Ray-florets 0 or 1–8 (–13+) (to 100+ in “double” cultivars), pistillate, fertile
  11 KB (696 words) - 15:28, 15 December 2020
• Oreostemma
  turbinate involucres with (2–)3–4 subequal series of herbaceous phyllaries, white rays, long style-branch appendages, and cylindric cypselae. The species mostly
  9 KB (586 words) - 22:17, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Peritylinae
  conduplicate, herbaceous, margins scarious). Receptacles flat or convex, epaleate. Ray-florets 0 or 8–12 pistillate, fertile; corollas yellow or white. Disc-florets
  7 KB (521 words) - 23:47, 29 July 2020
• Pectis
  deviate from the sequence (i.e., in Pectis, the modal numbers of phyllaries and rays are 3, 5, 8, 13, and 21). Pectis coulteri Harvey & A. Gray has been attributed
  14 KB (1,174 words) - 23:30, 29 July 2020
• Chaenactis
  "pappus quantity","phyllary duration","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","treelet atypical
  11 KB (947 words) - 22:31, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
  (paleae strongly conduplicate, each partly investing its subtended floret). Ray-florets 0 or 3–25+, neuter; corollas yellow or orange, brown-purple, maroon
  9 KB (600 words) - 23:53, 29 July 2020
• Townsendia
  convex (conic in T. formosa), smooth or pitted (hairy or glabrous), epaleate. Ray-florets (4–) 13–34 (–67+), pistillate, fertile; corollas usually white, pink
  18 KB (845 words) - 15:31, 15 December 2020
• Hymenopappus
  or purplish). Receptacles flat or convex, epaleate (except H. newberryi). Ray-florets 0 or 8, pistillate, fertile; corollas white to ochroleucous. Disc-florets
  9 KB (558 words) - 23:45, 29 July 2020
• Symphyotrichum sect. Occidentales
  "outer phyllarie architecture","phyllarie size","ray floret atypical quantity","ray floret quantity","ray floret size","series length","series width","stem
  3 KB (603 words) - 21:09, 29 July 2020
• Cyperus sanguinolentus
  (–15) cm × 1–2 mm. Inflorescences: spike 1, loosely ovoid, 7–14 × 8–20 mm; rays (0–) 1–4, to 2 (–3) cm; bracts 2–4, horizontal to ascending at 30 (–45) °
  7 KB (566 words) - 01:35, 30 July 2020
• Physaria tumulosa
  branched, (forming hard mats); densely pubescent, trichomes several-rayed, rays furcate or bifurcate, (tuberculate). Stems several from base, erect, (unbranched)
  6 KB (726 words) - 11:58, 30 July 2020
• Physaria tenella
  pubescent, trichomes (simple or stellate, sessile or short-stalked), 4–7-rayed, rays usually furcate, rarely bifurcate, (nearly smooth to finely tuberculate)
  6 KB (716 words) - 11:58, 30 July 2020
• Physaria lesicii
  with persistent leaf-bases); usually sparsely pubescent, trichomes 7–12-rayed, rays furcate near base. Stems simple from base, erect to decumbent, (unbranched
  5 KB (677 words) - 11:57, 30 July 2020
• Physaria lindheimeri
  taproot; densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays usually furcate at base, sometimes bifurcate, (rough-tuberculate throughout)
  7 KB (710 words) - 11:57, 30 July 2020
• Physaria fremontii
  Perennials; caudex simple; densely pubescent, trichomes (subsessile), 5–7-rayed, rays distinct or slightly fused at base, usually furcate, (roughly tuberculate)
  5 KB (675 words) - 11:56, 30 July 2020
• Physaria pallida
  (winter); with a fine taproot; sparsely pubescent, trichomes (minute), 3-rayed or 4-rayed, rays furcate or, sometimes, trifurcate. Stems few to several from base
  6 KB (733 words) - 11:57, 30 July 2020
• Physaria multiceps
  thickened); densely pubescent, trichomes (sessile or short-stalked), 5–8-rayed, rays furcate or bifurcate, (umbonate, rough to finely tuberculate throughout)
  6 KB (694 words) - 11:57, 30 July 2020
• Physaria recurvata
  biennials; with a fine taproot; sparsely pubescent, trichomes (sessile), 3–6-rayed, rays furcate, (tuberculate throughout). Stems several from base, erect or decumbent
  6 KB (725 words) - 11:58, 30 July 2020
• Sidalcea covillei
  bisexual; calyx 5–8 mm, uniformly, densely stellate-puberulent or few with longer rays; petals pale pink-lavender, veins paler, 10–15 mm; staminal column 4–5 mm
  9 KB (578 words) - 11:33, 30 July 2020
• Physaria oregona
  (cespitose); (silvery) pubescent throughout, trichomes (stalked), few-rayed, rays furcate or imperfectly so, (tuberculate throughout). Stems several from
  6 KB (675 words) - 11:57, 30 July 2020
• Physaria obcordata
  densely (silvery) pubescent, trichomes (stellate-scalelike), several-rayed, rays fused (webbed) to tips. Stems several from base, erect to decumbent, (unbranched
  6 KB (715 words) - 11:57, 30 July 2020
• Physaria rollinsii
  usually simple, (cespitose); (silvery) pubescent throughout, trichomes 6–8-rayed, rays furcate near base, fused at base, (umbonate, strongly tuberculate throughout)
  6 KB (700 words) - 11:58, 30 July 2020
• Physaria pycnantha
  cespitose and forming hemispheric mounds); densely pubescent, trichomes 5-rayed, rays bifurcate near base, fused at base, (strongly tuberculate throughout)
  5 KB (667 words) - 11:58, 30 July 2020
• Physaria grahamii
  Perennials; caudex branched, (thick, cespitose); densely pubescent, trichomes rays (appressed on leaves, ascending on pedicels and fruits), distinct, furcate
  6 KB (727 words) - 11:57, 30 July 2020
• Draba murrayi
  2–1.1 mm), surfaces pubescent with stalked, cruciform, and 2-rayed or 3-rayed trichomes, (rays sometimes spurred), 0.1–0.6 mm, sometimes mostly simple trichomes
  8 KB (734 words) - 12:12, 30 July 2020
• Draba mulliganii
  abaxially with short-stalked, 8–12-rayed, stellate, (non-crisped) trichomes, 0.1–0.3 mm (often without spurred rays), rarely glabrescent, trichomes confined
  7 KB (705 words) - 12:12, 30 July 2020
• Draba trichocarpa
  distally, 2–6 × 2–3.5 mm; valves densely pubescent, trichomes 4-rayed, 0.1–0.4 mm, (often some rays spurred or branched); ovules 4–10 per ovary; style 0.3–0.7
  7 KB (757 words) - 12:14, 30 July 2020
• Erigeron annuus
  strigose; pappi: outer minute crowns of setae or narrow scales, inner 0 (rays) or of 8–11 bristles (disc). 2n = 27. Phenology: Flowering Jun–Aug(–Nov)
  7 KB (694 words) - 22:15, 29 July 2020
• Erigeron arisolius
  divergens; the erect buds and reflexing rays of E. arisolius contrast with the nodding buds and non-reflexing rays of E. divergens. Additionally, the latter
  6 KB (659 words) - 22:13, 29 July 2020
• Cyperus laevigatus
  Inflorescences: heads appearing lateral, spikes ± digitate, 5–15 × 5–15 mm; rays absent, sometimes 1, to 2 mm; bracts (1–) 2 (–3), longer bracts erect, appearing
  9 KB (704 words) - 01:35, 30 July 2020
• Cyperus thyrsiflorus
  (–40) × 12–18 (–22) mm, (spikelets loosely spaced, 7–9 per 5 mm of rachis); rays (5–) 6–8 (–11), 0.5–4 (–7.5) cm; bracts (4–) 5–7 (–8), ascending at 30º,
  9 KB (606 words) - 01:38, 30 July 2020
• Physaria vitulifera
  branched, (cespitose); (silvery) pubescent throughout, trichomes several-rayed, rays furcate or bifurcate, (relatively massive, smooth to few-tubercled). Stems
  6 KB (663 words) - 11:58, 30 July 2020
• Draba sphaerocarpa
  (–6) × 1.5–2.5 (–3.5) mm; valves pubescent, trichomes 2–4-rayed, 0.03–0.2 mm (some or all rays spurred); ovules 4–10 (–12) per ovary; style 0.2–0.9 (–1
  7 KB (730 words) - 12:14, 30 July 2020
• Gutierrezia microcephala
  recurved-coiling). Cypselae 1–1.8 (–2.5) mm, faces densely strigoso-sericeous; pappi (rays, readily falling) of 1 series of narrowly lanceolate-oblong scales. 2n =
  6 KB (700 words) - 21:29, 29 July 2020
• Physaria thamnophila
  (woody); densely (silvery) pubescent, trichomes (short-stalked), 4–8-rayed, rays furcate or bifurcate, (finely tuberculate throughout). Stems simple or
  6 KB (696 words) - 11:58, 30 July 2020
• Physaria mcvaughiana
  (sometimes enlarged); densely pubescent, trichomes (sessile), several-rayed, rays fused (webbed) most of their length, (umbonate, peltate, tuberculate throughout)
  6 KB (701 words) - 11:57, 30 July 2020
• Physaria parvula
  sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near base. Stems few to several from base
  6 KB (669 words) - 11:58, 30 July 2020
• Physaria vicina
  densely pubescent, trichomes (subsessile, appressed to spreading), 3–6-rayed, rays furcate or bifurcate, usually slightly fused at base, less frequently
  6 KB (702 words) - 11:58, 30 July 2020
• Physaria klausii
  caudex simple; densely pubescent, trichomes (loosely spreading), 3–5-rayed, rays distinct, furcate (with exceptionally long branches). Stems simple from
  5 KB (656 words) - 11:57, 30 July 2020
• Physaria globosa
  caudex branched, (± woody); densely pubescent, trichomes (sessile), 3–6-rayed, rays distinct and simple or furcate, (in 2 layers, lower layer umbonate, smooth
  7 KB (752 words) - 11:56, 30 July 2020
• Physaria filiformis
  with a fine taproot; densely pubescent, trichomes (sessile), usually 4-rayed, rays forked, rarely simple or tripartite, (finely tuberculate). Stems several
  6 KB (681 words) - 11:56, 30 July 2020
• Cyperus microiria
  mm. Inflorescences: spikes 2–5 (–8), oblong to ovoid, 2–10 cm × 3–12 mm; rays 4–8, to 11 cm; bracts (4–) 5 (–7), ascending at 45°, V-shaped, (1.5–) 8–30
  7 KB (572 words) - 01:35, 30 July 2020
• Cyperus iria
  mm. Inflorescences: spikes 2–5 (–8), oblong to ovoid, 2–10 cm × 3–12 mm; rays 4–8, to 11 cm; bracts (4–) 5 (–7), ascending at 45°, V-shaped, (1.5–) 8–30
  7 KB (571 words) - 01:35, 30 July 2020
• Cyperus lentiginosus
  ascending at 30 (–45) °, inversely W-shaped, 10–30 (–50) cm × (1–) 3–5 (–11) mm; rays (2–) 3–6 (–12), (1–) 3–10 (–17) cm; rachilla deciduous, wings ca. 0.3 mm
  8 KB (629 words) - 01:38, 30 July 2020
• Cyperus rotundus
  spikes 1 (–3), broadly ellipsoid, (12–) 15–25 (–30) × (12–) 20–30 (–50) mm, rays (3–) 4–6 (–7), 0.2–10 cm;, bracts (2–) 3–5, horizontal to ascending at 45°
  8 KB (742 words) - 01:35, 30 July 2020
• Cyperus ovatus
  2–4 mm. Inflorescences: spikes densely ovoid to cylindric, 8–17 mm wide; rays 1–6, 2–10 cm, glabrous; rachis 4–8 mm; bracts 3–9, ± horizontal, flat, 4–20
  7 KB (538 words) - 01:38, 30 July 2020
• Cyperus lancastriensis
  Inflorescences: spikes densely ellipsoid to obovoid, 2.5–4.3 × 1.5–3 cm; rays 5–10, 4–20 cm, glabrous; rachis 7–14 mm; bracts 3–8, horizontal to ascending
  7 KB (581 words) - 01:38, 30 July 2020
• Cyperus retrorsus
  densely oblong-ovoid often with small basal branches, 8–16 × 4–12 (–16) mm; rays 4–8 (–11), 0.5–3.5 (–8.5) cm; bracts (3–) 4–6 (–10), ascending at (30–) 45°
  8 KB (604 words) - 01:39, 30 July 2020
• Cyperus pseudothyrsiflorus
  Inflorescences: spike 1, densely oblong to ellipsoid, 10–20 × 10–20 mm; rays 4–12, 10–20 cm bracts 3–6, horizontal to ascending at 30°, V-shaped, 3–15
  7 KB (576 words) - 01:38, 30 July 2020
• Cyperus schweinitzii
  spikes ± umbellate to slenderly (infrequently broadly) ovoid, 10–25 × 7–16 mm; rays 3–5, 1.5–8 (–15) cm; bracts 3–7, erect (or declined at most 25–30° from vertical)
  8 KB (637 words) - 01:36, 30 July 2020
• Cyperus pallidicolor
  grayish to golden brown, loosely cylindric, (6–) 10–20 (–24) cm × (5–) 8–11 mm; rays 0 or 1–3, to 4 cm; rachis glabrous; bracts (3–) 4–6 (–8), horizontal to strongly
  8 KB (594 words) - 01:39, 30 July 2020
• Physaria pruinosa
  leaf-bases); densely pubescent, trichomes (sessile or subsessile), 4–7-rayed, rays furcate or bifurcate, (tuberculate throughout). Stems simple or several
  6 KB (722 words) - 11:58, 30 July 2020
• Physaria valida
  branched, (thickened); densely pubescent, trichomes (sessile), several-rayed, rays furcate or bifurcate, usually fused toward base, (strongly tuberculate)
  6 KB (685 words) - 11:58, 30 July 2020
• Physaria ludoviciana
  branched; densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays usually furcate, sometimes bifurcate, (rough-tuberculate throughout).
  7 KB (772 words) - 11:57, 30 July 2020
• Physaria nelsonii
  pubescent, trichomes (flaring, giving a shaggy appearance), usually 4–5-rayed, rays furcate or bifurcate, (strongly tuberculate throughout). Stems few to
  6 KB (744 words) - 11:57, 30 July 2020
• Physaria garrettii
  caudex simple or branched; densely pubescent, trichomes (sessile), 4–7-rayed, rays furcate or bifurcate, (smooth or, rarely, finely tuberculate). Stems simple
  5 KB (663 words) - 11:56, 30 July 2020
• Physaria montana
  enlarged); densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays furcate or bifurcate, (tuberculate throughout). Stems simple or several
  7 KB (787 words) - 11:57, 30 July 2020
• Physaria rectipes
  caudex simple or branched; densely pubescent, trichomes (subsessile), 4–6-rayed, rays furcate or bifurcate, (moderately tuberculate over arms, less so or smooth
  7 KB (766 words) - 11:58, 30 July 2020
• Physaria parviflora
  branched; densely (silvery) pubescent, trichomes (irregularly radiate), 6–8-rayed, rays furcate or bifurcate, fused at base. Stems several from base, prostrate
  5 KB (664 words) - 11:58, 30 July 2020
• Physaria pinetorum
  branched; densely pubescent, trichomes (sessile or short-stalked), 6–8-rayed, rays furcate or bifurcate, (tuberculate, less so on outer layers). Stems simple
  7 KB (764 words) - 11:58, 30 July 2020
• Physaria sessilis
  taproot; densely pubescent, trichomes (sessile or short-stalked), 4–6-rayed, rays usually furcate, rarely bifurcate, (moderately tuberculate or nearly smooth)
  6 KB (702 words) - 11:58, 30 July 2020
• Cyperus retrofractus
  apex, nearly as long as wide), 20–28 (–34) × (12–) 15–30 mm; rays 4–13, (1–) 4–24 cm (longest ray shorter than bracts), glabrous; bracts 3–12, ascending at
  8 KB (596 words) - 01:38, 30 July 2020
• Cyperus refractus
  Inflorescences: spikes loose, broadly ellipsoid to ovoid, 4–7 × 2–6 cm; rays 6–13 (–16), 4–25 cm, glabrous; rachis 1.5–3 cm; bracts 3–6, horizontal to
  7 KB (569 words) - 01:38, 30 July 2020
• Cyperus spectabilis
  spike 1, loosely ovoid to ovoid-ellipsoid, (1.5–) 2.5–7 × (1–) 1.5–3.5 cm; rays 1–4, 1–15 cm; rachis 1–2 cm; bracts 2–4, oblique or ascending, 1–15 (–24)
  7 KB (559 words) - 01:38, 30 July 2020
• Cyperus tetragonus
  3–6, loosely cylindric or oblong with parallel sides, 1.5–4 cm × 10–17 mm; rays 6–12, 2–25 cm, glabrous or rarely scabridulous proximal to spikes; bracts
  7 KB (565 words) - 01:39, 30 July 2020
• Cyperus retroflexus
  Inflorescences: spike 1, loosely to densely ovoid to cylindric, 8–36 × 8–20 mm; rays 3–6 (–9), (5–) 10–32 cm; bracts 3–6, horizontal to ascending at 30°, V-shaped
  9 KB (635 words) - 01:39, 30 July 2020
• Cyperus seslerioides
  Inflorescences: heads hemispheric to spheric, (3–) 6–15 (–24) mm diam.; rays absent; bracts 2–5, horizontal to reflexed, parallel to culm, 1–13 cm × 1–3
  7 KB (549 words) - 01:34, 30 July 2020
• Physaria navajoensis
  persistent leaf-bases); densely (silvery gray) pubescent, trichomes mostly 5-rayed, rays bifurcate, slightly fused at base, (umbonate, strongly tuberculate except
  6 KB (803 words) - 11:57, 30 July 2020
• Physaria integrifolia
  densely (silvery) pubescent, trichomes (often stalked, appressed), several-rayed, rays furcate or bifurcate, (umbonate, strongly tuberculate throughout). Stems
  6 KB (711 words) - 11:57, 30 July 2020
• Physaria humilis
  persistent leaf-bases); densely (silvery) pubescent, trichomes 5-rayed or 6-rayed, rays furcate or 3-branched. Stems simple or few to several from base
  5 KB (693 words) - 11:57, 30 July 2020
• Physaria reediana
  ascending, plant appearing shaggy, always appressed on fruits), 4-rayed or 5-rayed, rays furcate or bifurcate, (tuberculate throughout). Stems few to several
  6 KB (706 words) - 11:58, 30 July 2020
• Physaria prostrata
  pubescent, trichomes (usually sessile, rarely short-stalked), several-rayed, rays furcate or bifurcate, (umbonate, tuberculate throughout). Stems several
  6 KB (677 words) - 11:58, 30 July 2020
• Physaria lata
  (not thickened); densely pubescent, trichomes (short-stalked), several-rayed, rays distinct, furcate or bifurcate, (tuberculate, much less so over center
  5 KB (659 words) - 11:57, 30 July 2020
• Physaria purpurea
  woody); densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays simple or furcate, (smooth or tuberculate). Stems simple from base, erect
  7 KB (751 words) - 11:58, 30 July 2020
• Physaria obdeltata
  caudex simple; densely pubescent, trichomes (appressed in layers), 5–7-rayed, rays usually bifurcate, sometimes furcate, (thickened toward center). Stems
  6 KB (691 words) - 11:57, 30 July 2020
• Physaria macrocarpa
  branched; densely pubescent, trichomes (sessile or short-stalked), 4–6-rayed, rays distinct, usually furcate, rarely bifurcate, (finely tuberculate throughout)
  5 KB (680 words) - 11:57, 30 July 2020
• Physaria spatulata
  (relatively small); sparsely to moderately pubescent, trichomes 4-rayed or 5-rayed, rays furcate or bifurcate, not fused, (tuberculate). Stems simple from
  6 KB (702 words) - 11:58, 30 July 2020
• Zinnia anomala
  often lacks rays or has inconspicuous rays, might be an octoploid derivative of the rather similar Z. grandiflora, which has showy yellow rays. None. None
  6 KB (591 words) - 23:00, 29 July 2020
• Symphyotrichum subg. Virgulus
  fusion","phyllarie life cycle","phyllarie texture","ray-floret architecture","ray-floret presence","ray-floret reproduction","style pubescence","style relief"
  8 KB (946 words) - 21:01, 29 July 2020
• Senecio integerrimus
  shape","phyllarie size","phyllarie variability","ray-floret architecture","ray-floret atypical quantity","ray-floret reproduction","receptacle architecture"
  8 KB (580 words) - 21:12, 29 July 2020
• Melanthera
  closely related to Melanthera. The type of Echinocephalum (South America; rays neuter, corollas pale yellow) may be congeneric with that of Melanthera.
  9 KB (705 words) - 23:11, 29 July 2020
• Perityle
  obtuse, acute, or attenuate). Receptacles flat or convex, pitted, epaleate. Ray-florets 0, or (1–) 3–18, pistillate, fertile; corollas cream, yellow, or white
  8 KB (548 words) - 23:47, 29 July 2020
• Lasthenia
  conic or subulate, smooth, papillate, or pitted, glabrous or hairy, epaleate. Ray-florets 4–16, pistillate, fertile; corollas yellow to orangish (sometimes
  11 KB (916 words) - 23:52, 29 July 2020
• Chaetopappa
  delimited, whitish-scarious margins, and small heads with white or bluish coiling rays. The pappus varies among species: bristles, crowns of scales, combinations
  12 KB (754 words) - 21:50, 29 July 2020
• Erigeron glabellus
  recognized by its subsimple caudices and fibrous-rooted bases, relatively numerous rays with nearly filiform laminae, and nonglandular vestiture. None. Erigeron
  7 KB (609 words) - 22:12, 29 July 2020
• Proteaceae
  woods of these taxa have a distinctive, unusual grain due to the tall, wide rays, which are often lustrous and/or strikingly colored. Some Proteaceae are
  9 KB (524 words) - 21:00, 7 June 2022
• Hymenoxys
  globoid, ovoid, or conic (flat in H. ambigens), smooth or pitted, epaleate. Ray-florets usually (3–) 8–13 (–16), sometimes 14–34 [0], pistillate, fertile;
  15 KB (1,046 words) - 22:37, 29 July 2020
• Ratibida columnifera
  purplish yellow to purple rays; it is more frequent in the southwestern part of the range of the species. In the typical form, rays are yellow (E. L. Richards
  8 KB (786 words) - 22:55, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Hymenopappinae
  scarious, conduplicate, each ± investing subtended floret in H. newberryi). Ray-florets usually 0, sometimes 8, pistillate, fertile; corollas white or whitish
  7 KB (510 words) - 23:45, 29 July 2020
• Astranthium
  peduncles, subequal phyllaries in 2–3 series, conic receptacles, white or blue rays, tubular disc corollas, and flattened, papillate cypselae with coroniform
  9 KB (672 words) - 21:49, 29 July 2020
• Croton alabamensis
  scales unpigmented, others with dark reddish brown center and reddish amber rays; inflorescences 6–14-flowered, producing 0–6 fruits; Texas. Croton alabamensis
  8 KB (459 words) - 18:33, 29 July 2020
• Hulsea
  "pappus duration","pappus fragility","pappus life cycle","ray-floret atypical quantity","ray-floret presence","scale fusion","scale quantity","treelet
  9 KB (598 words) - 00:03, 30 July 2020
• Sphagnum sect. Cuspidata
  apex > 24 24 Stem leaves apiculate; young pendent branches in pairs between rays of the capitulum; carpet forming species with branch leaves not greatly elongated
  17 KB (673 words) - 06:50, 30 July 2020
• Dieteria
  usually hairy or stipitate-glandular. Receptacles convex, pitted, epaleate. Ray-florets 7–60, pistillate, fertile (sterile or 0 in D. canescens var. shastensis);
  11 KB (782 words) - 22:23, 29 July 2020
• Boltonia
  faces glabrous. Receptacles conic to hemispheric, obscurely pitted, epaleate. Ray-florets 20–60, pistillate, fertile; corollas white to lilac (laminae linear
  9 KB (535 words) - 22:17, 29 July 2020
• Physaria gordonii
  usually densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays distinct and furcate or bifurcate, (nearly smooth to finely tuberculate)
  8 KB (843 words) - 11:56, 30 July 2020
• Sidalcea elegans
  slightly enlarged in fruit, uniformly, coarsely stellate-puberulent (some rays sometimes longer than others); petals dark-pink, pale-veined at least when
  10 KB (705 words) - 11:33, 30 July 2020
• Draba streptobrachia
  throughout, trichomes subsessile (often crisped), 3–5-rayed, stellate, 0.03–0.25 (–0.4) mm, (rays sometimes forked). Basal leaves rosulate; petiole (obscure)
  8 KB (793 words) - 12:14, 30 July 2020
• Cyperus squarrosus
  spike 1, loosely to densely ovoid to oblong, 6–20 (–40) × 9–15 (–20) mm; rays absent or 1–3 (–6), 4–40 mm; bracts (1–) 2–4, longest ± erect, V-shaped,
  10 KB (741 words) - 01:35, 30 July 2020
• Physaria intermedia
  grayish-green), trichomes (sessile or short stalked, spreading), several-rayed, rays furcate or bifurcate, slightly fused at base, (tuberculate or finely tuberculate)
  8 KB (828 words) - 11:57, 30 July 2020
• Draba ramulosa
  not ciliate), surfaces pubescent with stalked, 4–8-rayed trichomes, 0.1–0.5 mm, (sometimes 1 or more rays spurred), adaxially sometimes trichomes simple.
  8 KB (860 words) - 12:13, 30 July 2020
• Solidago subsect. Venosae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  5 KB (609 words) - 21:38, 29 July 2020
• Solidago (sect. Solidago) ser. Argutae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  2 KB (590 words) - 21:35, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Melampodiinae
  to scarious, inner ones, each of the inner often enveloping its subtended ray ovary, maturing with the cypsela, forming a perigynium). Receptacles flat
  8 KB (555 words) - 23:33, 29 July 2020
• Pyrrocoma
  glabrous or densely villous to tomentose. Receptacles convex, pitted, epaleate. Ray-florets 10–80, pistillate, fertile; corollas yellow (usually 10–35 mm, sometimes
  15 KB (811 words) - 22:27, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Flaveriinae
  succulent to membranous or scarious). Receptacles flat to convex, epaleate. Ray-florets 0, or 1–6, pistillate, fertile; corollas yellow. Disc-florets 1–60
  7 KB (473 words) - 23:35, 29 July 2020
• Oönopsis
  the stems and subtending the heads, foliaceous outer phyllaries, and yellow rays (in two species). All taxa are selenium-accumulating and indicators of selenium
  10 KB (697 words) - 22:26, 29 July 2020
• Balsamorhiza
  fusion","phyllary life cycle","phyllary shape","phyllary size","ray-floret atypical quantity","ray-floret presence","stigmatic papilla architecture","stigmatic
  13 KB (768 words) - 23:05, 29 July 2020
• Monoptilon
  decumbent to prostrate, hispid annuals with campanulate involucres, white coiling rays, obovoid compressed cypselae, and chromosome number of 2n = 16. The genus
  8 KB (520 words) - 21:50, 29 July 2020
• Erigeron bellidiastrum
  annual duration, upcurved hairs of the stem, relatively few rays, 1-seriate pappi, and by some ray florets consistently produced between the phyllaries, the
  7 KB (625 words) - 22:14, 29 July 2020
• Centromadia
  lance-attenuate or oblanceolate, herbaceous, each usually 1/2 enveloping subtended ray-floret proximally, abaxially scabroso-hirtellous, hirsute, or villous and/or
  9 KB (671 words) - 23:40, 29 July 2020
• Solidago (sect. Solidago) ser. Venosae
  architecture","proximal blade shape","ray-floret architecture","ray-floret atypical quantity","ray-floret quantity","ray-floret reproduction","receptacle architecture"
  2 KB (573 words) - 21:38, 29 July 2020
• Balsamorhiza subg. Balsamorhiza
  presence","phyllary duration","phyllary quantity","ray-floret architecture","ray-floret quantity","ray-floret reproduction","receptacle architecture","receptacle
  4 KB (559 words) - 23:05, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
  glanddotted; tips sometimes dilated and strigillose or ciliate; sometimes paleae 0). Ray-florets 0 or 5 (–8), pistillate, fertile; corollas whitish to yellowish, laminae
  16 KB (907 words) - 23:04, 29 July 2020

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