Flora of North America species comparison

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Carex sect. Dispermae
Habit Plants loosely cespitose, long-rhizomatous.
Culms

brown at base.
Leaves

basal sheaths fibrous or not;

sheath fronts membranous;

blades V-shaped in cross section when young, scabrid.
Inflorescences

racemose;

proximal bracts bristlelike, sheathless;

spikes 1–6, androgynous, often with only 1 or 2 staminate flowers, sessile, without prophylls.
Perigynia

spreading, veined on both faces, stipitate, oblong-ovate, unequally biconvex in cross section, base rounded, with spongy tissue, margins acutely angled, apex rounded, beaked, glabrous;

beak not more than 0.25 mm, with abaxial suture, entire, smooth.
Achenes

biconvex, almost filling bodies of perigynia;

style deciduous.
Proximal

pistillate scales with apex acuminate or mucronate.
Stigmas

2.
x

= 35.

Carex sect. Dispermae
Distribution
North America; Eurasia
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 23. Author: Heikki Toivonen.
Parent taxa Cyperaceae > Carex
Subordinate taxa
Name authority Ohwi: Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 11: 237. (1936)
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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