Difference between revisions of "Carex sect. Paniceae G. Don in J. C. Loudon (Q378)"
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Latest revision as of 12:40, 24 June 2022
Carex sect. Paniceae is a taxon with the rank section within the genus Carex
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Carex sect. Paniceae G. Don in J. C. Loudon
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Carex sect. Paniceae is a taxon with the rank section within the genus Carex
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Statements
taxon/id/Carex sect. Paniceae G. Don
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Carex sect. Paniceae G. Don
Carex sect. Paniceae
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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Temperate and cooler latitudes of North America and Eurasia
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Plants loosely cespitose or, usually, colonial, rhizomatous.
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Culms brown or purple at base.
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Leaves: basal sheaths sometimes fibrous;
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blades M-shaped in cross-section when young, adaxial side of blades with 2 lateral-veins more prominent than midvein, not septate-nodulose, widest leaf-blade usually less than 5 mm wide, papillose on abaxial surface, glabrous.
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Inflorescences racemose, with 2–4 (–5) spikes;
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proximal bracts leaflike, long-sheathing, sheath more than 4 mm, longer than diameter of stem;
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lateral spikes pistillate, pedunculate, prophyllate;
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terminal spike staminate, solitary.
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Proximal pistillate scales with apex obtuse to short-awned.
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Perigynia ascending to spreading, yellowbrown to dark-brown when mature, distinctly or indistinctly veined, with 2, strong, marginal veins, sessile, ovate to obovate, obtusely trigonous to circular in cross-section, base tapering, apex tapering or rounded, beaked or not, smooth or minutely papillose, glabrous;
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beak 0–1.8 (–2.2) mm, orifice entire or bidentate.
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Achenes trigonous, smaller than bodies of perigynia;
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obovate obtusely trigonous
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obovate obtusely trigonous
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