Flora of North America species comparison

erect, not stiff, 15–90 cm.

30–90 cm, sparsely pilose.

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 pilose;

ligules as long as or slightly longer than wide;

blades 1.5–4 mm wide, pilose.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

terminal spike gynecandrous, at least 1/2 of flowers pistillate, 12–22 mm;

lateral spikes usually crowded, 6–16 × 4.5–11 mm.

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.

spreading, 9–13-veined, obovate-circular, circular in cross section, 2.5–4 × 1.4–2.1 mm, papillose, pubescent;

beak absent.

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

2–2.6 × (1.1–)1.4–1.7 mm.

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 lanceolate, 2.5–3.5(–5) × 1.1–1.5(–1.7) mm, exceeding perigynia, apex acuminate, at least proximal scale with awn 0.5–2 mm.

scales lanceolate, 3.2–5.2 mm, apex acuminate, often awned.

2–3 mm.

= 56.

= 64.