Flora of North America species comparison

brown at base.

basal sheaths fibrous;

sheath fronts membranous, sometimes slightly transversely rugose, septate-nodulose;

blades with 2 lateral veins on adaxial side more prominent than midvein, M-shaped in cross section when young, widest leaves not more than 10 mm, glabrous.

racemose, with (3–)4–6 spikes;

proximal bracts leaflike, sheathless or very short-sheathing;

lateral spikes pistillate or gynecandrous with few staminate flowers, pedunculate, prophyllate;

terminal spike gynecandrous.

rigidly spreading, veinless on faces but with 2 strong marginal veins, stipitate, transversely wrinkled, very broadly obovate, compressed-trigonous in cross section, base cuneate, apex rounded, abruptly beaked, glabrous;

beak bent, to 0.2 mm, orifice entire or emarginate.

concavely trigonous, smaller than and loosely enclosed by bodies of perigynia;

style deciduous.

pistillate scales with apex acute or mucronate.

3.