Difference between revisions of "Carex sect. Stellulatae Kunth (Q550)"
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Latest revision as of 12:38, 24 June 2022
Carex sect. Stellulatae is a taxon with the rank section within the genus Carex
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Carex sect. Stellulatae Kunth
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Carex sect. Stellulatae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Stellulatae Kunth
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Carex sect. Stellulatae Kunth
Carex sect. Stellulatae
Kunth
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, exceeding leaves.
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Leaves: basal sheaths not fibrous;
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sheath fronts membranous, sheaths of proximal cauline leaves smooth or very weakly transversely rugose, sheaths of distal leaves with at least narrow hyaline or white-hyaline band;
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blades V-shaped in cross-section when young, widest 0.8–5 mm wide, glabrous.
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Inflorescences racemose, with (1–) 2–10 spikes;
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bracts sheathless, with inconspicuous blades, at least (1.5–) 2 times as long as wide;
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lateral spikes gynecandrous, pistillate, or staminate, sessile, without prophylls;
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terminal spike gynecandrous, pistillate, or staminate.
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Proximal pistillate scales with apex obtuse to acute or cuspidate.
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Perigynia spreading, at least the proximal, veined on abaxial face, veined or veinless on adaxial face, stipitate, broadly ovate to lanceolate, usually planoconvex (to slightly biconvex in C. exilis and C. interior), base rounded to cordate, with spongy tissue, margins acutely angled, apex ± abruptly beaked, glabrous;
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beak 0.25–1.6 mm, with abaxial suture, margins often serrulate, apex shortly bidentate.
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Achenes biconvex, much smaller than bodies of perigynia;
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styles deciduous.
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rugose
very weakly transversely
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