Search results

Did you mean: ray

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