Flora of North America species comparison

erect, not stiff, 15–90 cm.

sometimes curved, slender, 10–40 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 gray-brown to pale brown abaxially, inner band thin, hyaline, often red tinged, summit prolonged, concave;

ligules as long as wide;

blades yellowish green to pale gray-green, flat, 5–20 cm × 1–3 mm, subequal or shorter than culms, soft.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

1.5–5 cm × 7–12 mm;

proximal bracts scalelike, sometimes bristlelike, shorter than spikes.

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.

3–6, gynecandrous, proximal spikes separate, usually 1–1.5 cm apart, distal approximate, individually distinct, containing 5–15(–20) perigynia, oblong, 5–15 × 4–6 mm;

terminal spike conspicuously staminate at base, long-clavate, 10–20 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, gray-green, often reddish dotted, often pale brown in age, finely several-veined, oblong-elliptic, 2.5–3.3 × 1.5–2 mm, widest near middle, coriaceous;

beak entire or with few marginal teeth.

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

pale brown to gray-brown, oblong, 1.75–2 × 1.25–1.5 mm, dull.

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 pale red-brown with lighter center and narrow hyaline margins, ovate, ± equaling, concealing perigynia, apex obtuse.

= 56.

= 64.