filiform to flat with filiform tip, to 25 cm × 2.5–4 mm. Inflorescences terminal, spikelets solitary, erect or (1–) 2–10 (–30) in subcapitate or subumbellate
10 KB (422 words) - 01:32, 30 July 2020
or pubescent, trichomes usually simple, rarely mixed with fewer, stalked, 2-rayed ones. Stems usually erect or ascending, rarely subdecumbent, unbranched
16 KB (997 words) - 11:59, 30 July 2020
sessile or short-clawed trunk, auricles absent, blade apex divided into 2 or 4 lobes; nectaries at base of filaments opposite sepals; stamens 5; filaments
13 KB (701 words) - 10:17, 30 July 2020
longer than achene, not obscuring scales in fruit; stamens 1–3; styles (2–) 3-fid, linear, base persistent. Achenes trigonous, biconvex or planoconvex, 0
17 KB (757 words) - 01:31, 30 July 2020
placentation axile; styles simple or 2-fid; stigma capitate, clavate, linear, 2-lobed, or emarginate. Fruits capsules, 9–12 mm, dehiscence poricidal, each loculus
12 KB (693 words) - 18:50, 29 July 2020
or empty; floral scales ca. 4–12 per spikelet, spiraled, 2.5–6 mm, with 1 vein, membranous. Styles 3-fid, or 3-fid and 2-fid. Achenes trigonous, or trigonous
10 KB (927 words) - 01:30, 30 July 2020
retrorsely spinulose; stamens 3; styles linear, 2–3-fid, base persistent. Achenes biconvex to trigonous, 2.3–5.5 mm, smooth. Nearly worldwide Species 6–15
13 KB (1,146 words) - 01:51, 30 July 2020
> 12 12 Leaf blades 4–12.2 mm wide, always some more than 10 mm wide, margins usually entire, rarely dentate, teeth 0(–4), 0.1–1.4 mm; seed coat cell papillae
20 KB (775 words) - 18:32, 29 July 2020
transversely elliptical along margins, 6–12 (–18) µm wide, papillae usually 2-fid, crowded, 2–6 per lumen, occasionally single and multiplex and covering the lumens
16 KB (1,136 words) - 07:01, 30 July 2020
asymmetric; annulus 2–4-seriate; operculum conic or rostrate from convex-conic base; endostome segments not perforate, cilia in groups of 2–4. North America
9 KB (590 words) - 07:46, 30 July 2020
Culms 1–40 cm × 0.2–1.2 mm, spongy, transverse septa incomplete. Spikelets ovoid to subcylindric, terete, much wider than their culms, 2–9 mm; rachilla with
8 KB (548 words) - 01:30, 30 July 2020
ovatelanceolate or oblong, undivided, 2-fid, or divided, 2–8 (–12) mm, not involucrelike, distal entire to 2-fid, stipulelike, proximalmost not involucrelike
12 KB (722 words) - 11:33, 30 July 2020
rhomboidal, distal laminal cells ca. 15–19 µm wide, 1: 1–2, papillae mostly hollow, simple or 2-fid, 4–6 per lumen, occasionally on conic salients, cell-walls
26 KB (1,447 words) - 07:08, 30 July 2020
or elongate, in 2 (4–6) rows; transverse-section usually round, adaxial epidermis present, adaxial stereid band absent, guide cells 2 (–4) in 1 layer, hydroid
13 KB (810 words) - 07:12, 30 July 2020
flower, others empty. Flowers bisexual; perianth scales 1–2; stamens 1–2; styles linear, 2–3-fid, base deciduous or persistent, thickened or not. Achenes
8 KB (604 words) - 01:39, 30 July 2020
0.5–0.8 mm, 2-fid 1/3–1/2 length. Capsules oblate, 1.5–2.6 × 2.1–3.3 mm, glabrous or puberulent, strigillose, or pilose; columella 1.2–2.1 mm. Seeds brown
9 KB (614 words) - 18:32, 29 July 2020
absent; ovule 1, membranous; styles absent or short; stigmas 2-fid or seldom irregularly 3-fid (in var. oblongifolia), deltoid. Utricules subglobose, proximally
10 KB (653 words) - 09:42, 30 July 2020
each subtending flower or 1–2 proximal scales empty. Flowers bisexual; perianth absent; stamens 1–3; styles slender, (2–) 3-fid, glabrous, base enlarged,
10 KB (485 words) - 01:32, 30 July 2020
to sparsely retrorsely-spreading spinulose; anthers 0.4–0.6 mm; styles 2-fid or 2-fid and 3-fid. Achenes brown, turning blackish, thinly to thickly planoconvex
10 KB (1,013 words) - 02:08, 30 July 2020
rudimentary to equaling achene; stamens 3; anthers brown, 1.5–2 mm; styles 2-fid, sometimes some 3-fid. Achenes not persistent, dark yellow or stramineous, obovoid
9 KB (775 words) - 01:23, 30 July 2020