Difference between revisions of "Carex sect. Squarrosae J. Carey (Q546)"
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Latest revision as of 12:41, 24 June 2022
Carex sect. Squarrosae is a taxon with the rank section within the genus Carex
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Carex sect. Squarrosae J. Carey
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Carex sect. Squarrosae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Squarrosae J. Carey
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Carex sect. Squarrosae J. Carey
Carex sect. Squarrosae
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 regions of e and mid w North America and temperate South America
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Plants cespitose or colonial, short to long rhizomatous.
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Culms brown or redbrown at base.
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Leaves: basal sheaths not fibrous;
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blades septate-nodulose, usually V-shaped in cross-section when young, usually glabrous.
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Inflorescences single spike or racemose, with 2–9 spikes;
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proximal bracts leaflike or threadlike, sheathless or sheath longer than diameter of stem, at least 3 times as long as inflorescence;
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lateral spikes pistillate or infrequently gynecandrous, larger spikes usually with more than 50 perigynia, pedunculate, prophyllate;
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terminal spike staminate or gyncecandrous.
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Proximal pistillate scales sometimes with narrow, indistinct body, apex obtuse to awned.
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Perigynia ascending to spreading, many-veined, sessile or shortly stipitate, inflated, obconic, round in cross-section, not more than 10 mm, base tapering or rounded-tapering, apex truncate, abruptly beaked, glabrous;
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beak 1.2–3.8, bidentate, teeth 0.3 mm or longer.
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Achenes trigonous, 1.2–3 mm, smaller than bodies of perigynia;
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style persistent or deciduous.
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