Difference between revisions of "Carex sect. Rupestres"
Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 283. 1901.
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|genus=Carex | |genus=Carex | ||
|section=Carex sect. Rupestres | |section=Carex sect. Rupestres | ||
Latest revision as of 21:38, 5 November 2020
Plants loosely cespitose, long-rhizomatous. Culms red-purple at base. Leaves: basal sheaths not fibrous; sheath fronts, not red dotted, membranous; blades V-shaped in cross section when young, glabrous, basal circinnate distally. Inflorescence a single spike; bractless; spike androgynous. Proximal pistillate scales less than 10 mm, apex acute or obtuse, sometimes mucronate. Perigynia ascending, pale yellow-brown with dark tip, veinless or obscurely veined with 2 prominent marginal veins, narrowly obovate, trigonous in cross section, base tapering, apex to abrupt beak, glabrous; beak 0.2–0.6 mm, orifice truncate. Stigmas 3. Achenes trigonous, almost as large as bodies of perigynia; style deciduous.
Distribution
North America, Eurasia.
Discussion
Species 2 (1 in the flora).
The circumscription followed here is that proposed by T. V. Egorova (1999).
Selected References
None.