Flora of North America species comparison

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Carex sect. Chordorrhizae
Habit 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.
Perigynia

ascending, strongly veined on both faces, stipitate, oblong-ovate to broadly elliptic, plano-convex 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.
Achenes

biconvex, only slightly smaller than bodies of perigynia;

style deciduous.
Proximal

pistillate scales with apex obtuse to short-acuminate.
Stigmas

2.

Carex sect. Chordorrhizae
Distribution
North America; Eurasia
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 23. Authors: A. A. Reznicek, Paul M. Catling.
Parent taxa Cyperaceae > Carex
Subordinate taxa
Synonyms Vignea unranked Chordorrhizae
Name authority (Heuffel) Meinshausen: Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 2. (1901)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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