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Difference between revisions of "Carex sect. Leptocephalae"
Proc. Amer. Acad. Arts 22: 131. 1886.
Synonyms: Carex sect. Polytrichoideae (Tuckerman) Mackenzie
Treatment appears in FNA Volume 23.
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Latest revision as of 20:38, 5 November 2020
Plants cespitose, short-rhizomatous. Culms brown at base. Leaves: basal sheaths not fibrous; sheath fronts membranous; blades V-shaped in cross section when young, glabrous. Inflorescence 1 spike per culm; bracts absent; spike androgynous. Proximal pistillate scales less than 10 mm, apex obtuse to acute or short-awned. Perigynia appressed-ascending, weakly veined, substipitate, elliptic to narrowly oblong, rounded- or flattened-trigonous in cross section, base long tapering, apex rounded or truncate, orifice entire or emarginate, glabrous; beak absent. Stigmas 3. Achenes obtusely to sharply trigonous, smaller than bodies of perigynia; style deciduous.
Distribution
North America, West Indies.
Discussion
Species 1.
Selected References
None.