Flora of North America species comparison

erect, not stiff, 15–90 cm.

to 125 cm.

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.

sheaths glaucous, fronts indistinctly veined, veins not persisting, apex thin, truncate or irregularly convex;

blades 120 cm × 7–10 mm, glabrous.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

with 5–7 spikes, 30 cm;

peduncle of lateral spikes to 6 cm;

proximal bracts equaling inflorescences, 3–6 mm wide;

lateral spikes divergent, 3–6 cm × 6–8 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.

strongly divergent, red-brown, angles veined, faces prominently 6–8-veined, sessile, widely elliptic or somewhat obovate, 3.5–4.5 × 2.8–3.2 mm, base rounded, apex ± truncate proximal to beak, densely papillose with low, oblong or, rarely, minute, rounded papillae, not markedly glaucous;

beak 0.3–0.5 mm, entire or minutely bidentate, teeth to 0.1 mm.

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

rhomboid, 2.5–3 × 2.5–3 mm, base conspicuously broadened.

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 shorter and narrower than perigynia, apex acute, awn to 3 mm.

= 56.