Difference between revisions of "Carex sect. Divisae H. Christ ex Kükenthal in H. G. A. Engler (Q159)"
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Latest revision as of 12:38, 24 June 2022
Carex sect. Divisae is a taxon with the rank section within the genus Carex
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Carex sect. Divisae H. Christ ex Kükenthal in H. G. A. Engler
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Carex sect. Divisae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Divisae H. Christ ex Kükenthal
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Carex sect. Divisae H. Christ ex Kükenthal
Carex sect. Divisae
H. Christ ex 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 not cespitose, sometimes colonial, long-rhizomatous;
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rhizomes with tight cortex, not detaching on drying, mostly more than 1 mm wide, covered with persistant scales.
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Culms brown at base, rough, scabrous-angled distally or not.
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Leaves: basal sheaths fibrous or not;
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blades V-shaped in cross-section when young or involute, widest leaves 1+ mm wide, glabrous.
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Inflorescences racemose, with 3–25+ spikes, ovoid to cylindric, often very condensed;
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proximal bracts scalelike or cuspidate, or absent, sheathless;
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spikes staminate, pistillate, or, sometimes, androgynous, sessile, without prophylls.
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Proximal pistillate scales with apex acuminate, cuspidate, or short-awned.
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Perigynia ascending to erect, both faces veined or veinless adaxially, often stipitate, ovate to narrowly ovate, planoconvex or biconvex, base rounded, ± spongy, margins acutely angled, apex tapering or contracted to beak, glabrous;
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beak 0.25–1.9 mm, at least 1/4 length of body, with abaxial suture, margins often serrulate, apex slightly bidentate.
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Achenes biconvex, smaller than bodies of perigynia;
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narrowly ovate planoconvex or biconvex
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narrowly ovate planoconvex or biconvex
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scabrous-angled
distally; distally; not
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