Carex sect. Chordorrhizae
Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 2. 1901.
Plants not cespitose, short-rhizomatous, long-stoloniferous. Culms brown at base. Leaves: basal sheaths not fibrous; sheath fronts membranous; blades M-shaped in cross-section when young, widest more than 1 mm wide, glabrous. Inflorescences capitate or short-ovoid; bracts scalelike, sheathless; spikes 2–7, androgynous, sessile, without prophylls. Proximal pistillate scales with apex obtuse to shortacuminate. Perigynia ascending, strongly veined on both faces, stipitate, oblongovate to broadly elliptic, planoconvex to unequally biconvex in cross-section, 2–4 (–4.5 mm), base rounded, with spongy tissue, margins rounded, apex rounded, abruptly beaked, glabrous; beak 0.3–0.6 mm, less than 1/5 length of body, with abaxial suture, entire or sparsely serrulate, emarginate. Stigmas 2. Achenes biconvex, only slightly smaller than bodies of perigynia; style deciduous.
Distribution
North America, Eurasia
Discussion
Species 1.
Selected References
None.
Lower Taxa
"shortened" is not a number."widest" is not a number.