Difference between revisions of "Carex sect. Vesicariae (Heuffel) J. Carey (Q567)"
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Latest revision as of 12:41, 24 June 2022
Carex sect. Vesicariae is a taxon with the rank section within the genus Carex
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Carex sect. Vesicariae (Heuffel) J. Carey
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Carex sect. Vesicariae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Vesicariae (Heuffel) J. Carey
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Carex sect. Vesicariae (Heuffel) J. Carey
Carex sect. Vesicariae
(Heuffel) J. Carey
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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Temperate to arctic regions of the Northern Hemisphere and scattered in cooler regions of the tropics and Southern Hemisphere
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Plants cespitose or colonial, short to long-rhizomatous.
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Culms reddish purple, reddish-brown, or brown at base.
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Leaves: basal sheaths fibrous or not;
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sheaths and blades distinctly, sparsely septate-nodulose, blades V or W-shaped, flat, or, rarely, round in cross-section when young;
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widest leaves 0.9–16 mm, mostly more than 4 mm, smooth or papillose.
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Inflorescences racemose, with 2–10 spikes;
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proximal bracts leaflike, sheathless or short-sheathed, less than 4 mm, shorter or longer than diameter of stem;
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lateral spikes pistillate, pedunculate, prophyllate;
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terminal spike staminate.
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Proximal pistillate scales green to dark-brown, margins entire, apex retuse or obtuse to acuminate, awnless or awned, awn scabrous or smooth;
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distal scale with awn at least 1/2 as long as body.
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Perigynia ascending to spreading or reflexed, 0–25-veined, at least slightly inflated, sometimes stipitate, narrowly elliptic to ovate, rounded-trigonous to terete in cross-section, 2–12 mm, base rounded or truncate, apex tapering or abruptly contracted to beak, somewhat glossy, not papillose, glabrous;
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beak 0.2–6 mm, emarginate to bidentate, teeth rarely reflexed, 0.1–2.1 mm.
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Achenes trigonous or, rarely, biconvex, almost as large as bodies of perigynia;
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style persistent.
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narrowly elliptic
ovate rounded-trigonous
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narrowly elliptic
ovate rounded-trigonous
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