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FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

26rrr. CAREX Linnaeus sect. SCHIEDEANAE Kükenthal in H. G. A. Engler, Pflanzenr. 20[IV,38]: 255. 1909.

A. A. Reznicek

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.

Species ca. 14 (1 in the flora): North America, n Mexico.

Lower Taxon


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