Flora of North America species comparison

erect, not stiff, 15–90 cm.

usually erect, slender, 10–20(–30) 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 pale brown abaxially, inner band thin, hyaline, sometimes red tinged, concave at summit;

ligules as long as wide;

blades pale to gray-green, flat, 5–15 cm × 1.5–2.5 mm, shorter than culms, thin.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

1–1.5(–2) cm × 5–10 mm;

proximal bracts bristlelike, prolonged, distal bracts scalelike.

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.

3–5, gynecandrous, approximate, sessile, containing 8–15(–20) perigynia;

terminal spike staminate for less than 1/2 of length, shortly clavate, oblong-ovoid, 4–7 × 3–5 mm.

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.

appressed-ascending, pale brown, often darker brown in age, finely several-veined, elliptic-ovate, 1.5–2 × 1 mm, widest near middle, membranous;

beak short, entire or slightly serrulate.

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

pale brown, broadly obovate, 1.25 × 0.8–1 mm, dull to slightly glossy.

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 chestnut-brown with lighter center and hyaline margins, ovate, subequal to perigynia, apex obtuse.

= 56.