Flora of North America species comparison

erect, not stiff, 15–90 cm.

erect, weak, 15–40 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 pale brown abaxially, inner band tight, hyaline, truncate;

ligules short, as wide as long;

blades pale green, flat, 5–15 cm × 1–2 mm.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

erect, 1–2.5 cm × 4–6 mm;

proximal bracts scalelike, usually 2–8 mm, 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.

2–5, gynecandrous, the proximal remote, proximal 2 at least 1 cm apart, the distal approximate, with 3–8 perigynia, suborbicular.

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.

pale green or pale brown in age, conspicuously many-veined, obovate-elliptic, 2.5–3.5 × 1.25–1.5 mm, subcoriaceous;

beak absent.

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

red-brown, oblong-elliptic, 1.75 × 1 mm, 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 white-hyaline with green midrib, ovate, clearly shorter than perigynia, apex obtuse.

= 56.

= 54.