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  • 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
    7 KB (820 words) - 11:54, 30 July 2020
  • 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

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