Carex sect. Aulocystis Dumortier (Q82)
Carex sect. Aulocystis is a taxon with the rank section within the genus Carex
| Language | Label | Description | Also known as |
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| English |
Carex sect. Aulocystis Dumortier
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Carex sect. Aulocystis is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Aulocystis Dumortier
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Carex sect. Aulocystis Dumortier
Carex sect. Aulocystis
Dumortier
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 and artic regions of North America and Eurasia
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Plants cespitose, short to long rhizomatous, sometimes stoloniferous.
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Culms brown at base, shorter than leaves.
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Leaves: basal sheaths not fibrous;
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blades V-shaped in cross-section when young, proximal leaf-blades with lateral-veins equally prominent, distal leaf-blades at least 2 mm, glabrous.
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Inflorescences racemose, with 2–8+ spikes;
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proximal nonbasal bracts filiform or scalelike, sheathing at least 3 mm, longer than diameter of stem;
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lateral spikes pistillate, androgynous, or, rarely, staminate, pedunculate, prophyllate, pistillate scales ovoid, with not more than 25 perigynia;
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terminal spike staminate, androgynous, or gynecandrous.
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Proximal pistillate scales dark-brown to almost black, 1–3-veined, apex obtuse to acuminate.
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Perigynia ascending or spreading, purplish black at least distally, or black-mottled, veinless or weakly veined, sometimes with 2, strong, marginal veins, stipitate, lanceolate to ovate, biconvex or trigonous in cross-section, less than 10 mm, base tapered to rounded, apex tapering or abruptly beaked, glabrous, setose, or hispidulous;
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beak straight, ± bidentate.
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Achenes trigonous, rarely biconvex, smaller than bodies of perigynia;
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purplish black
at-least distally; distally
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lanceolate
ovate biconvex or trigonous
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lanceolate
ovate biconvex or trigonous
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