Carex sect. Chlorostachyae Tuckerman ex Meinshausen (Q129)
Carex sect. Chlorostachyae is a taxon with the rank section within the genus Carex
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English |
Carex sect. Chlorostachyae Tuckerman ex Meinshausen
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Carex sect. Chlorostachyae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Chlorostachyae Tuckerman ex Meinshausen
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Carex sect. Chlorostachyae Tuckerman ex Meinshausen
Carex sect. Chlorostachyae
Tuckerman ex Meinshausen
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 cespitose, short-rhizomatous.
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Culms brown at base.
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Leaves: basal sheaths ± fibrous;
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blades V-shaped in cross-section when young, or filiform or channeled, widest leaves 1–4 mm, glabrous.
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Inflorescences racemose, with 3–6 spikes;
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proximal nonbasal bracts leaflike, often short, long-sheathing, sheath more than 4 mm, longer than diameter of stem;
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lateral spikes pistillate, spreading or pendent, pedunculate, peduncles longer than spikes (spikes erect or on short peduncles in artic and high mountain plants), prophyllate;
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terminal spike staminate, gynecandrous, or androgynous.
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Proximal pistillate scales with apex obtuse to acute.
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Perigynia ascending, not speckled redbrown, veinless except for 2, strong, marginal veins or weakly 2–10-veined, stipitate, lanceolate to narrowly ovate, obtusely trigonous in cross-section, base rounded, apex contracted or tapering to beak, glabrous;
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beak 0.3–1 mm, margins entire or serrulate, orifice entire or subentire.
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Achenes trigonous, almost as large as perigynia, glabrous;
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