level; blade usually 1 per plant, appearing in spring, dying the following spring, present during winter, deltate, 2–4-pinnate, mostly 5–25 cm wide when mature
5 KB (457 words) - 00:26, 30 July 2020
usually papillate-swollen in proximal 1/5 or less, sometimes to proximal 1/3 (–1/2) or not at all, 0.7–1.2 (–1.5) mm. Achenes smooth or slightly rugose
21 KB (1,382 words) - 14:01, 30 July 2020
glabrous or hairy, 5-7 (11) -veined; palea keels scabrous, glabrous or with hairs at midlength; anthers 3, vestigial (0.1-0.2 mm) or 1.3-4.5 (5) mm. Poa sect
10 KB (1,045 words) - 03:20, 30 July 2020
glumes. Spikelets 2.5-60 mm, not viviparous, slightly to strongly laterally compressed, with 1-30 florets, proximal florets bisexual, distal 1-3 florets usually
12 KB (1,001 words) - 03:20, 30 July 2020
smooth or ± papillate; pappi 0, or usually falling, of (1–) 2 cusps or subulate to lanceolate scales (0.1–0.5+ mm). x = 13. Mostly c, e North America Species
8 KB (577 words) - 23:24, 29 July 2020
gradually tapering from base to apex, dehiscent 1/2 to nearly throughout; sessile. Seeds numerous, in 1 row per locule, obovoid, surface minutely alveolate
11 KB (948 words) - 21:01, 7 June 2022
panicles of 1-sided spikelike branches (sometimes only 1 branch) attached digitately or racemosely to a rachis, sometimes simple panicles of solitary,
23 KB (1,318 words) - 03:56, 30 July 2020
than more distal cells, 1–2 (–4):1; medial and distal cells rhomboidal to elongate-hexagonal, 8–16 (–20) µm wide, usually (3–) 4–8: 1, walls thin to moderately
12 KB (668 words) - 07:35, 30 July 2020
subtended by 1-several, terete bristles (sterile branchlets). Lower glumes membranous, not saccate, less than 1/2 as long as the spikelets, 1-7-veined; upper
17 KB (1,129 words) - 04:14, 30 July 2020
glanddotted. Heads 1–35 (–60) per plant, borne singly. Peduncles 0.5–30 cm, ± hairy. Involucres 7–12 × 8–16 mm. Outer phyllaries 6–12, 3.9–9 (–11.5) mm, margins
7 KB (605 words) - 22:40, 29 July 2020
pistillate on same plant; peduncle slender, 2.5-5 cm; outer tepals greenish white, inner tepals rose to red, broadly ovate, 3-9 × 2-5 mm. Staminate flowers:
6 KB (402 words) - 08:36, 30 July 2020
Flora of North America Association Trees, 7-35 m, not suckering. Bark gray-brown to black, scaly. Branchlets drooping; segments 5-8 [-13] × 0.5-0.7 [-1]
6 KB (458 words) - 08:34, 30 July 2020
tapering from base to apex, glabrous, margins green, spiny-toothed, teeth 1–1.5 cm apart. Inflorescences terminal, usually unbranched, racemose, 10–15 dm
7 KB (453 words) - 06:10, 30 July 2020
turbinate to campanulate, 2–4 × 1.5–3 mm, canescent, pubescent, glabrous, or subglabrous; teeth 5, erect, 0.3–1.2 mm. Flowers 2.5–3 mm; perianth white to pinkish
13 KB (1,216 words) - 10:36, 30 July 2020
Peduncles absent. Involucres 1 per node, turbinate, (1–) 1.5–3.5 × 1–2 (–2.5) mm; teeth 5, erect, 0.3–1 mm. Flowers (1.5–) 2–3.5 mm; perianth white to cream
15 KB (1,306 words) - 10:30, 30 July 2020
circular, 1–6 mm diam.; wool white, gray, or yellow. Spines with epidermis sheath deciduous at apices only, exposing yellow spine tips; at least 1 of major
10 KB (650 words) - 09:16, 30 July 2020
1933. A critical revision of the genus Aristida. Meded. Rijks-Herb. 54:1-701; 55G703-747 Henrard, J.T. 1929, 1933. A monograph of the genus Aristida. Meded
23 KB (1,150 words) - 04:51, 30 July 2020
turbinate-campanulate, 1.5–4 (–5) × (1–) 1.5–3 (–3.5) mm, tomentose to floccose or glabrous; teeth 5, erect to spreading, 0.3–1 mm. Flowers (1–) 2–4 mm; perianth
15 KB (1,197 words) - 10:31, 30 July 2020
Copyright: Flora of North America Association Shrubs to 1 m; branches glabrescent. Leaves deciduous, sessile; blade oblong to lanceolate, 3–8 × 1–2.5 cm, membranous
4 KB (306 words) - 11:39, 30 July 2020
America Association Inflorescences 1.5–5 dm, glandular-hairy; bracts red, 1–8 × 5–15 mm. Flowers: sepals 8–15 × 4–6 mm; corolla 12–18 mm, base saccate, lobes
4 KB (481 words) - 13:10, 30 July 2020