Flora of North America species comparison

erect, not stiff, 15–90 cm.

20–70 cm, distally finely scabrous.

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.

2.5–5 mm wide.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

proximal bracts shorter than or exceeding inflorescences;

spikes distinct, spreading or the proximal pendent and often separate, elongate, 10–25 × 5–8 mm;

lateral 3–6 spikes pistillate, long-pendunculate;

terminal spike gynecandrous.

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.

ascending, yellow brown or chestnut, veinless, ovate or elliptic, 2.5–3 × 1.5–1.75 mm, apex abruptly beaked, distally papillose;

beak 0.4–0.5 mm, bidentate, smooth.

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

filling proximal 1/2 or less 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 light to dark brown with hyaline margins, lanceolate, longer than and as broad as perigynia, midvein same color as body, inconspicuous or lighter in color, conspicuous, raised, prominent, sometimes short-mucronate.

= 56.