Difference between revisions of "Carex sect. Porocystis Dumortier (Q502)"
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Latest revision as of 12:40, 24 June 2022
Carex sect. Porocystis is a taxon with the rank section within the genus Carex
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Carex sect. Porocystis Dumortier
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Carex sect. Porocystis is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Porocystis Dumortier
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Carex sect. Porocystis Dumortier
Carex sect. Porocystis
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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Plants cespitose, short-rhizomatous.
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Culms redbrown at base, rough distally.
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Leaves: basal sheaths fibrous;
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blades V-shaped in cross-section when young, not more than 8 mm wide, usually pubescent, at least at junction of blade and sheath, sometimes very sparsely.
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Inflorescences racemose, spikes 2–6;
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proximal nonbasal bracts filiform or leaflike, sheathless;
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lateral spikes pistillate, with not more than 40 (–50) perigynia, pedunculate, prophyllate;
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terminal spike gynecandrous or staminate.
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Proximal pistillate scales with apex obtuse to acuminate or awned, glabrous, sometimes margins ciliate.
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Perigynia spreading, abaxial face veined, adaxial face veined or veinless, with 2, strong, marginal veins, sometimes stipitate, sometimes inflated, elliptic to broadly obovate, rounded-trigonous to round in cross-section, 1.7–4 mm, base rounded or tapering, apex rounded or tapering, beakless or, rarely, beaked, glabrous or pubescent;
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beak 0.2–0.5 (–1) mm, orifice entire or subentire.
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Achenes trigonous, almost as large as bodies of perigynia;
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elliptic
broadly obovate rounded-trigonous
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elliptic
broadly obovate rounded-trigonous
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