Difference between revisions of "Carex sect. Schiedeanae"
in H. G. A. Engler, Pflanzenr. 20[IV,38]: 255. 1909.
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|genus=Carex | |genus=Carex | ||
|section=Carex sect. Schiedeanae | |section=Carex sect. Schiedeanae | ||
Revision as of 22:31, 27 May 2020
Plants cespitose, short- and stout-rhizomatous. Culms brown at base. Leaves: basal sheaths fibrous; sheath fronts membranous; blades V-shaped in cross section when young, glabrous. Inflorescences racemose or, rarely, branched proximally, with (1–)2–13 spikes; bracts leaflike, sheathless; lateral spikes androgynous, short-pedunculate or subsessile, cladoprophyllate; terminal spike androgynous. Proximal pistillate scales with apex acuminate or awned. Perigynia ascending, veined, with 2 strong marginal veins, somewhat stipitate, broadly elliptic to obovate, trigonous in cross section, less than 10 mm, base tapering, apex tapering or abruptly beaked, stellate pubescent; beak 0.6–1.5 mm, emarginate, oblique, bidentate, with teeth 0.3–0.7 mm mm. Stigmas 3. Achenes trigonous, smaller than bodies of perigynia; style deciduous, thickened at base.
Distribution
North America, n Mexico.
Discussion
Species ca. 14 (1 in the flora).
Selected References
None.