Carex sect. Cyperoideae G. Don in J. C. Loudon (Q145)
Carex sect. Cyperoideae is a taxon with the rank section within the genus Carex
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English |
Carex sect. Cyperoideae G. Don in J. C. Loudon
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Carex sect. Cyperoideae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Cyperoideae G. Don
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Carex sect. Cyperoideae G. Don
Carex sect. Cyperoideae
G. Don
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, shortly or inconspicuously rhizomatous.
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Culms brown at base.
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Leaves: basal sheaths somewhat fibrous;
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blades V-shaped in cross-section when young, glabrous.
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Inflorescences racemose, with 6–15 spikes;
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proximal bracts leaflike, sheathless, longest bract 5–20 (–25) cm, at least (3–) 5 times as long as inflorescence, lateral spikes gynecandrous, sessile, without prophylls;
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terminal spike gynecandrous.
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Proximal pistillate scales with apex acuminate to awned.
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Perigynia ascending, linear, flat, faintly veined on both faces, substipitate, base tapering, margins narrowly winged to (0.1–) 0.2 mm wide, apex tapering to beak, glabrous;
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beak with inconspicuous abaxial suture, apex bidentate.
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Achenes biconvex, smaller than bodies of perigynia;
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style deciduous, base persistent, not conspicuously enlarged.
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rhizomatous
shortly; inconspicuously
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(3-)5 times as long as inflorescence
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