Carex sect. Glareosae G. Don in J. C. Loudon (Q176)
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Carex sect. Glareosae is a taxon with the rank section within the genus Carex
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| English |
Carex sect. Glareosae G. Don in J. C. Loudon
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Carex sect. Glareosae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Glareosae G. Don
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Carex sect. Glareosae G. Don
Carex sect. Glareosae
G. Don
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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Plants loosely to densely cespitose, rhizomatous (stoloniferous in C. mackenziei).
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Culms brown at base.
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Leaves: basal sheaths fibrous, usually not persisting more than a year;
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blades V-shaped in cross-section when young, glabrous.
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Inflorescences racemose, with (1–) 2–10 (–15) spikes;
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rachis of spikes glabrous;
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proximal bracts scalelike, bristlelike, or inconspicuous, sheathless;
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lateral spikes gynecandrous or pistillate, sessile, without prophylls;
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terminal spikes gynecandrous.
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Proximal pistillate scales with apex obtuse to acute or cuspidate.
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Perigynia ascending or spreading, obscurely to distinctly veined on both faces, stipitate, obovate, ovate, lanceolate, or elliptic, planoconvex in cross-section, 1.5–4 mm, base rounded or truncate, with spongy tissue, margins rounded or acutely angled, apex rounded and beakless or abruptly beaked, smooth or minutely papillose, glabrous;
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beak sometimes inconspicuous, 0.1–0.3 mm, with or without abaxial suture, margins entire or sparsely and minutely serrulate, apex entire or bidentate.
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Achenes biconvex, smaller than bodies of perigynia;
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serrulate
with or without abaxial suture , margins entire or sparsely and; minutely
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serrulate
with or without abaxial suture , margins entire or sparsely and; minutely
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