America Association Plants usually on rock. Stems compact to long-creeping, ascending to horizontal, usually branched; scales brown to tan or often bicolored
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mm, weak and wiry or relatively stout and rigid, erect, ascending or decumbent; nodes occasionally swollen, glabrous or densely pubescent, often with a glabrous
16 KB (1,305 words) - 04:02, 30 July 2020
slender to tuberous. Stems with foliaceous sheaths. Leaves basal or occasionally cauline. Inflorescences terminal spikes, flowers inserted in lax to dense
18 KB (547 words) - 05:22, 30 July 2020
spike staminate or, occasionally, androgynous. Proximal pistillate scales with apex obtuse, acute, or cuspidate. Perigynia ascending, spreading, or reflexed
10 KB (625 words) - 02:18, 30 July 2020
annual], with slender to thickened, usually erect, occasionally spreading, rootstock. Stems erect or ascending [prostrate], branched or unbranched, terete, glabrous
8 KB (532 words) - 18:21, 29 July 2020
America Association Plants usually on rock. Stems compact to creeping; ascending or erect (rarely horizontal), stolons absent. Leaves monomorphic, dying
12 KB (653 words) - 00:23, 30 July 2020
elongate to linear, smooth or occasionally prorate on dorsal surface, walls moderately thick; basal-cells undifferentiated or slightly broader than adjacent cells
11 KB (575 words) - 07:47, 30 July 2020
often narrowly lanceolate bract. Flowers 1–16, usually sessile, erect or slightly diverging, large and starlike, fragrant; perianth connate basally into
14 KB (860 words) - 05:56, 30 July 2020
448. Plants usually annual, rarely perennial. Culms 5-90 cm, erect or ascending from a decumbent base, usually glabrous. Sheaths open, usually glabrous;
10 KB (965 words) - 03:13, 30 July 2020
cespitose. Culms (3) 10-250 (300) cm, usually ascending to erect, often geniculate at the lower nodes, occasionally prostrate and rooting at the lower nodes
14 KB (1,093 words) - 04:44, 30 July 2020
perennial, occasionally annual, stout, pubescent to glabrate, from slender and spongy or massive and woody taproots. Stems erect to ascending, unarmed,
8 KB (488 words) - 09:26, 30 July 2020
simple or branched caudices, sometimes stoloniferous). Stems erect to ascending, decumbent, or prostrate, simple or branched, glabrous or hairy, sometimes
97 KB (2,063 words) - 21:58, 29 July 2020
species hybridize, especially within the T. erectum group. Hybrids and the occasional anomalous, odd-sized, or diseased individuals are not keyed here. Morphologically
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lateral or proximal lateral spikes pistillate; bisexual spikes occurred occasionally. The lateral spikes were peduncled or subsessile and bore a minute, tubular
80 KB (3,349 words) - 15:29, 15 December 2020
Mentioned on page 9, 10, 13. Shrubs. Stems densely branched, branches ascending or divaricate; twigs yellowish green to green or grayish green, eventually
11 KB (671 words) - 13:52, 30 July 2020
linear-oblong; style tips elongate (as measured in descriptions including the slightly swollen nodes, long cylindric fused portions of style-branches and very
60 KB (2,205 words) - 13:43, 10 February 2021
Stems creeping to ascending or erect, sympodial or monopodial, irregularly branched to regularly pinnate, innovations often ascending-arching; paraphyllia
9 KB (433 words) - 07:44, 30 July 2020
distinctly shorter than the lowest lemma in the spikelets, sometimes only slightly shorter, rarely longer, membranous, rounded or weakly keeled, veins obscure
22 KB (1,516 words) - 03:14, 30 July 2020
rootstock. Stems erect or ascending, branched, terete, glabrous or hairy. Leaves opposite or alternate; stipules usually present, occasionally absent, at base of
13 KB (653 words) - 18:23, 29 July 2020
elliptic-ovoid, 2.5–4 × 1.5–2 mm; beak slightly bent, tapering. Achenes obvoid to broadly ovoid, 2.2–3.2 × 1.2–1.8 mm, slightly concave at maturity, tightly fitting
8 KB (614 words) - 02:08, 30 July 2020