Carex sect. Vesicariae (Heuffel) J. Carey (Q567)

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Carex sect. Vesicariae is a taxon with the rank section within the genus Carex
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Carex sect. Vesicariae (Heuffel) J. Carey
Carex sect. Vesicariae is a taxon with the rank section within the genus Carex

    Statements

    taxon/id/Carex sect. Vesicariae (Heuffel) J. Carey
    0 references
    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
    Carex sect. Vesicariae
    Temperate to arctic regions of the Northern Hemisphere and scattered in cooler regions of the tropics and Southern Hemisphere
    Plants cespitose or colonial, short to long-rhizomatous.
    Culms reddish purple, reddish-brown, or brown at base.
    Leaves: basal sheaths fibrous or not;
    sheaths and blades distinctly, sparsely septate-nodulose, blades V or W-shaped, flat, or, rarely, round in cross-section when young;
    widest leaves 0.9–16 mm, mostly more than 4 mm, smooth or papillose.
    Inflorescences racemose, with 2–10 spikes;
    proximal bracts leaflike, sheathless or short-sheathed, less than 4 mm, shorter or longer than diameter of stem;
    lateral spikes pistillate, pedunculate, prophyllate;
    terminal spike staminate.
    Proximal pistillate scales green to dark-brown, margins entire, apex retuse or obtuse to acuminate, awnless or awned, awn scabrous or smooth;
    distal scale with awn at least 1/2 as long as body.
    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;
    beak 0.2–6 mm, emarginate to bidentate, teeth rarely reflexed, 0.1–2.1 mm.
    Stigmas (2–) 3.
    Achenes trigonous or, rarely, biconvex, almost as large as bodies of perigynia;
    style persistent.