Flora of North America species comparison

erect, not stiff, 15–90 cm.

obtusely angled, 4–15 cm, glabrous.

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.

basal sheaths red-brown;

sheaths of proximal leaves glabrous, fronts with red-brown spots, veinless, apex U-shaped;

blades amphistomic, 1.5–2 mm wide, papillose on both surfaces.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

proximal bract longer than inflorescence, 1–1.5 mm wide.

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.

erect, compact;

proximal 2–3 spikes pistillate, 1–1.5 cm × 3 mm, base cuneate;

terminal spike gynecandrous.

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.

ascending, green (becoming white) with red-brown spots on apical 1/2, 3–5-veined on each face, stipitate, tightly enclosing achenes, thin-walled, ellipsoid, 2–2.2 × 1.2–1.5 mm, dull, base truncate, distended, apex obtuse or acute, papillose apically;

stipe to 0.3 mm;

beak red-brown, 0.2 mm.

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

not constricted, dull, base adnate to perigynium.

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 red-brown or black, shorter than perigynia, apex obtuse, awnless.

= 56.

= 86.