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

26t. CAREX Linnaeus sect. SCITAE Kükenthal in H. G. A. Engler, Pflanzenr. 20[IV,38]: 410. 1910.

David F. Murray

Plants cespitose or not, short-rhizomatous. Culms red, purple, or brown at base. Leaves: basal sheaths fibrous; sheath fronts membranous; blades V-shaped in cross section when young, smooth or papillose. Inflorescences racemose with 2–5(–9) spikes; proximal bracts leaflike or filiform, sheathless; lateral spikes pistillate or, rarely, androgynous in C. microchaeta, pedunculate, prophyllate; terminal spike staminate. Proximal pistillate scales black or dark brown, not leaflike, less than 5 mm, apex acuminate or shortly awned. Perigynia erect or ascending, veinless or weakly veined on faces, with 2, strong, marginal veins, sessile, ovate, obovate, or nearly circular, compressed-trigonous or almost flattened in cross section, base rounded, apex beaked, smooth or papillose, glabrous; beak 0.3–0.5 mm, entire, emarginate, or bidentate. Stigmas 3. Achenes trigonous, filling 1/2 or less of perigynia bodies; style deciduous.

Species 11 (4 in the flora): w North America, Asia (Russian Far East, Japan).


Murray, D. F. 1970. Carex podocarpa and its allies in North America. Canad. J. Bot. 48: 313–324.

1 Perigynia broadly ovate or obovate to circular, smooth.   229 Carex paysonis
+ Perigynia ovate or narrowly ovate, papillose.   (2)
2 (1) Leaves basal, proximal leaves with blades.   230 Carex microchaeta
+ Leaves basal and cauline, proximal leaves reduced to sheaths.   (3)
3 (2) Lateral spikes pendent, long-pedunculate.   231 Carex podocarpa
+ Lateral spikes: proximal one pendent and distal ones erect or spreading, short-pedunculate.   232 Carex spectabilis

Lower Taxa


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