Carex sect. Macrocephalae Kükenthal in H. G. A. Engler (Q299)
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Carex sect. Macrocephalae is a taxon with the rank section within the genus Carex
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English |
Carex sect. Macrocephalae Kükenthal in H. G. A. Engler
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Carex sect. Macrocephalae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Macrocephalae Kükenthal
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Carex sect. Macrocephalae Kükenthal
Carex sect. Macrocephalae
Kükenthal
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 usually not cespitose, 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, widest leaves 4–8 mm wide, glabrous.
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Inflorescences paniculate, with 20+ spikes, ovoid or oblong capitate, occasionally with proximal 1–2 spikes separated, sessile;
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proximal bracts leaflike or threadlike, sheathless;
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spikes staminate, pistillate, or androgynous, sessile, without prophylls.
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Proximal pistillate scales with apex awned.
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Perigynia ascending or at length spreading, veined on both faces, short-stipitate, narrowly ovate, thickly planoconvex in cross-section, base tapering or rounded, with spongy tissue, margins serrulate-winged, apex tapering to beak, glabrous;
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beak with abaxial suture, margins entire, apex bidentate.
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Achenes rounded-trigonous, smaller than bodies of perigynia;
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