Flora of North America species comparison

erect, not stiff, 15–90 cm.

5–40 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.

blades 3–20(–30) cm × 1.4–3 mm.

2–15 cm × 5–10 mm;

proximal bracts shorter than to exceeding spikes;

distal bracts usually scalelike.

proximal bracts with well-developed blades exceeding inflorescence sheaths 2–4(–10) mm;

lateral spikes with 4–20 perigynia, approximate or proximal distant, lax, 4–20(–30) × 3–5 mm, middle internodes (0.5–)0.7–1.5 mm;

terminal spike usually staminate, occasionally gynecandrous, sessile or short-pedunculate, 3–10(–15) × 0.9–2 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.

divergent, bright orange, somewhat inflated and fleshy when mature, circular-obovate, 2.3–3.2 × 1.2–1.8 mm, smooth or minutely papillose.

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

subcircular, 1.4–1.8 × 1–1.5 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 brown with paler or green midvein, divergent in mature fruit, ovate to ovate-circular, 1.2–2.5 × 1.1–1.8 mm, apex subacute to obtuse or cuspidate.

staminate scales brown with paler or green midvein and hyaline margins, oblong-ovate, 2–3.5(–4) mm, apex obtuse to subacute.

= 56.

= 52.