Flora of North America species comparison

erect, not stiff, 15–90 cm.

13–40 cm, smooth, sparsely pilose.

sheaths pale brown abaxially, inner band thin, hyaline, sometimes slightly red tinged, concave at summit;

ligules slightly longer than wide;

blades pale green to gray-green flat, 10–20(–30) cm × (1.5–)2–4 mm, subequal to shorter than culms, not stiff.

blades M-shaped in cross section when young, 2–4.5 mm wide, at least proximal pilose.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

proximal bracts sheathless or sheath not more than 2 mm;

lateral spikes 6–27 × 4–9 mm, all in distal 1/2 of stem;

terminal spike 8–20 × 1–2.5 mm.

4–8, gynecandrous, proximal ± remote, distal spikes approximate, sometimes flexuous, containing (5–)10–20(–30) perigynia suborbicular to oblong, 3–12 × 3–5 mm;

terminal spike staminate for less than 1/2 of length, often clavate due to more conspicuous staminate part.

appressed-ascending, gray-green, becoming yellowish brown, obscurely many-veined, elliptic-ovate, 1.8–3 × 1.2–1.7 mm, widest near middle, membranous;

beak abaxial suture inconspicuous, small marginal teeth.

20–30-veined, narrowly ovoid, 4.5–6 × 1.4–2 mm, spongy at base, subglabrous to puberulent proximally, pilose distally, at least some hairs 0.3–0.4 mm;

beak obscure, 0.3–0.5 mm.

pale brown, oblong-obovate, 1.25–1.5 × 1–1.25 mm, dull to slightly glossy.

stipe to 1 mm;

bodies 2.5 × 1.3–1.7 mm, filling only distal part of perigynia.

scales hyaline with green, 3-veined center when young, usually brownish tinged in age, broadly ovate, subequal to, not concealing perigynia, apex obtuse to acutish.

scales 3-veined, ovate, 2.3–3 × 1.3–2.2 mm, shorter than perigynia, apex acute, sometimes with awn to 0.7 mm.

scales 3-veined, 3.2–5 × 1.2–2 mm.

= 56.