Flora of North America species comparison

erect, not stiff, 15–90 cm.

15–50(–70) cm, distally 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.

2–4 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 inflorescence;

lateral 1–2(–4) spikes pistillate;

proximal spikes distant, erect, and short-pedunculate;

distal lateral and/or terminal spikes overlapping, sessile, contiguous, and forming dense terminal cluster, globose or oblong, 5–12 × 3–6 mm;

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.

erect or spreading, proximal ones sometimes reflexed, pale green becoming golden brown, veinless or few-veined from base to summit, ovate, 2.5–3.5 mm, distal margins occasionally serrulate, apex gradually or abruptly beaked, smooth or papillose;

beak 0.3–0.4 mm, bidentate, smooth or serrulate.

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

nearly filling body 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 dark brown to black to margins or distally hyaline, ovate or lanceolate, shorter than (often 1/2 the length), as broad as perigynia, midvein same color as body, inconspicuous.

= 56.