Flora of North America species comparison

red-brown at base.

basal sheaths not or slightly fibrous;

sheath fronts membranous;

blades V-shaped in cross section when young, glabrous.

racemose, with 3–6 spikes;

proximal bracts leaflike, sheathless or sheath less than 4 mm;

lateral spikes pistillate, cylindric, with usually more than 30 perigynia or distal 1–3 spikes staminate, pedunculate, prophyllate;

terminal spikes staminate.

ascending to spreading, 2 strong marginal veins, otherwise veinless, substipitate, elliptic, round or rounded-trigonous in cross section, less than 10 mm, base rounded, apex rounded, abuptly beaked, puberulent-papillose, glabrous;

beak straight, to 0.1 mm, orifice entire.

trigonous, smaller than bodies of perigynia;

style deciduous, base not conspicuously enlarged.

pistillate scales with apex acute or acuminate.

3.