slender to tuberous. Stems with foliaceous sheaths. Leaves basal or occasionally cauline. Inflorescences terminal spikes, flowers inserted in lax to dense
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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
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internodes, usually long-hairy with appressed or ascending hairs, occasionally with spreading hairs, occasionally with shorter hairs, rarely nearly glabrous;
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loose mats. Stems creeping, sympodial, stoloniferous; secondary stems ascending, irregularly branched, branches few-to-many, curved or in whorls; paraphyllia
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America Association Plants usually on rock. Stems compact to creeping; ascending or erect (rarely horizontal), stolons absent. Leaves monomorphic, dying
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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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spike staminate or, occasionally, androgynous. Proximal pistillate scales with apex obtuse, acute, or cuspidate. Perigynia ascending, spreading, or reflexed
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often narrowly lanceolate bract. Flowers 1–16, usually sessile, erect or slightly diverging, large and starlike, fragrant; perianth connate basally into
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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
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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
448. Plants usually annual, rarely perennial. Culms 5-90 cm, erect or ascending from a decumbent base, usually glabrous. Sheaths open, usually glabrous;
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simple or branched caudices, sometimes stoloniferous). Stems erect to ascending, decumbent, or prostrate, simple or branched, glabrous or hairy, sometimes
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elongate to linear, smooth or occasionally prorate on dorsal surface, walls moderately thick; basal-cells undifferentiated or slightly broader than adjacent cells
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annual], with slender to thickened, usually erect, occasionally spreading, rootstock. Stems erect or ascending [prostrate], branched or unbranched, terete, glabrous
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bisexual, rarely unisexual (subfam. Ericoideae), radially symmetric (sometimes slightly bilaterally symmetric in subfam. Monotropoideae and subfam. Ericoideae);
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perennial, occasionally annual, stout, pubescent to glabrate, from slender and spongy or massive and woody taproots. Stems erect to ascending, unarmed,
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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
Mentioned on page 9, 10, 13. Shrubs. Stems densely branched, branches ascending or divaricate; twigs yellowish green to green or grayish green, eventually
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Stems creeping to ascending or erect, sympodial or monopodial, irregularly branched to regularly pinnate, innovations often ascending-arching; paraphyllia
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absent; turions present or absent. Stems terete or compressed, nodes occasionally with oil-glands; turions with extremely shortened internodes, divided
23 KB (1,207 words) - 00:56, 30 July 2020