Difference between revisions of "Carex sect. Nardinae"
in N. L. Britton et al., N. Amer. Fl. 18: 21. 1931.
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|genus=Carex | |genus=Carex | ||
|section=Carex sect. Nardinae | |section=Carex sect. Nardinae | ||
Revision as of 21:31, 27 May 2020
Plants cespitose, short-rhizomatous. Culms yellow-brown at base. Leaves: basal sheaths not or slightly fibrous, long-persistent; sheath fronts membranous; blades filiform, glabrous. Inflorescence a single spike; bracts absent; spike androgynous. Pistillate scales less than 10 mm, apex obtuse to subacute. Perigynia erect or ascending, obscurely veined, substipitate, obovate or elliptic, plano-convex, 3–5 mm, 1.5–2.5 times as long as wide, base ± tapering, margins acutely angled, apex gradually or abruptly beaked, glabrous; beak 0.2–5 mm, with abaxial suture, emarginate. Stigmas 2(–3). Achenes biconvex or, occasionally, trigonous, smaller than the bodies of perigynia; style deciduous.
Distribution
North America, Eurasia.
Discussion
Species 2 (1 in the flora).
Selected References
None.