white, cells obscure, quadrate to ± transversely elongate. Leaves usually persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above
8 KB (554 words) - 05:53, 30 July 2020
twigs blackish, ± straight, 3–4 (–5) cm. Leaves: petiole short; blade usually dark green, sometimes ± glaucous, narrowly or broadly spatulate, 1.5–3 cm, base
7 KB (780 words) - 14:35, 30 July 2020
Association Plants usually grayish green to silvery; caudices simple or few branched. Basal leaves: petioles of inner leaves usually glabrous, sometimes
4 KB (726 words) - 14:05, 30 July 2020
stalk 0.1–1 cm; blades usually pale green, plane, 2–3-pinnate, to 8 × 12 cm, often much smaller, fleshy. Pinnae to 5 pairs, usually well separated, horizontal
4 KB (541 words) - 00:26, 30 July 2020
panicles; nodes 1-3. Sheaths and collars usually smooth; ligules (3) 4-6 (7) mm, usually truncate to obtuse, usually entire, sometimes lacerate; blades (10)
8 KB (913 words) - 02:36, 30 July 2020
stiff, usually bluish-green, usually not branching at the base. Blades thick, firm. Panicle branches stiff; secondary branches and pedicels usually appressed
4 KB (1,115 words) - 04:06, 30 July 2020
pubescent in distal parts, often becoming glabrescent at maturity. Stems usually erect, green or reddish purple, branched, mainly in inflorescences, to nearly
8 KB (633 words) - 09:41, 30 July 2020
Involucres ± abruptly contracted to peduncles. Phyllaries usually 21, green or yellowish green (tips sometimes pinkish), 4–10 mm. Ray-florets (13–) 21+;
7 KB (612 words) - 21:23, 29 July 2020
Leaves heterophyllous, juvenile usually opposite, horizontal, sessile, blade base ± cordate, surfaces glaucous, adult usually alternate, vertical, petiolate
12 KB (633 words) - 21:04, 7 June 2022
groups); staminate usually of 10–20+ (usually ± clavate, sometimes capillary, barbellate to barbellulate) bristles; pistillate usually of 12–20+ (capillary
38 KB (2,648 words) - 20:30, 29 July 2020
appears in FNA Volume 10. Herbs usually facultatively biennial or short-lived perennial, rarely annual; from taproot. Stems usually erect or ascending, rarely
15 KB (1,325 words) - 21:01, 7 June 2022
connected by slender rhizomes. Stems 1–5, usually erect, sometimes decumbent (P. bootii), usually simple (leafy), usually glabrous proximally, tomentulose distally
14 KB (741 words) - 20:12, 29 July 2020
yellowish white or reddish, cottony-crisped hairs usually dense, glands absent or obscured, adaxial dark green to grayish white or yellowish white, sometimes
21 KB (1,382 words) - 14:01, 30 July 2020
conduplicate, usually rectangular-oblong, usually ± 3-toothed, sometimes entire, apices sometimes reddish or purplish). Ray-florets usually 5–30+ (–100+
32 KB (1,118 words) - 23:14, 29 July 2020
Plants erect, usually unbranched, not deep-seated in substrate. Roots diffuse. Stems unsegmented, usually bluish green or grayish green, spheric to cylindric
11 KB (814 words) - 09:24, 30 July 2020
(–0.5) mm wide, apex usually acute to acuminate. Perigynia appressed-ascending to ascending-spreading, green or gold, usually green toward beak, contrasting
9 KB (733 words) - 01:56, 30 July 2020
well beyond and covering orifice, proximal margins not reflexed, usually yellow-green, sometimes purple-lined, purple reticulate-veined, or strongly purple
8 KB (715 words) - 13:09, 30 July 2020
texana (Scheele) D. S. Decker Treatment appears in FNA Volume 6. Pepos usually green-and-white-striped at maturity, sometimes yellow. Seeds: germination within
3 KB (580 words) - 11:42, 30 July 2020
Treatment on page 174. Caudices to 2+ dm × 1–3 cm. Rosette leaf-blades usually green, triangular-lanceolate to linear-lanceolate, 5–15 × 1–1.5 cm, surfaces
3 KB (504 words) - 13:01, 30 July 2020
oblanceolate. Heads (3–) 8–20+. Phyllaries linear-subulate, 6–7 (–8) mm, tips usually green, minutely, if at all, black. Ray-florets 5–8+; corollas yellow, laminae
3 KB (501 words) - 21:12, 29 July 2020