Flora of North America species comparison

to 100 cm × 2 mm, scabrous.

20–70 cm, distally finely scabrous.

sheath fronts spotted red-brown or pale brown, apex truncate or short-convex, membranous or hyaline, rugose;

ligule retuse or rounded, to 2 mm, free limb to 0.2 mm;

blades 120 cm × 5 mm, longer than flowering stem.

2.5–5 mm wide.

spicate, (3–)7–10 cm × 15 mm, with 10–15 branches, the proximal branches distinctly separate; the proximal internode to 25 mm;

bracts setaceous, those subtending at least the proximal lateral branches conspicuous.

proximal bracts shorter than or exceeding inflorescences;

spikes distinct, spreading or the proximal pendent and often separate, elongate, 10–25 × 5–8 mm;

lateral 3–6 spikes pistillate, long-pendunculate;

terminal spike gynecandrous.

green to pale brown, veinless on both faces or 3-veined abaxially, body ovate or elliptic, 2–3.2 × 1.3–1.8 mm, base obtuse;

beak 0.8–1.2 mm, 1/3–1/2 length of perigynium.

ascending, yellow brown or chestnut, veinless, ovate or elliptic, 2.5–3 × 1.5–1.75 mm, apex abruptly beaked, distally papillose;

beak 0.4–0.5 mm, bidentate, smooth.

red-brown, ovate, 1.2–1.4 × 1 mm, glossy.

filling proximal 1/2 or less of perigynia.

pale brown, hyaline, awn to 3 mm.

scales light to dark brown with hyaline margins, lanceolate, longer than and as broad as perigynia, midvein same color as body, inconspicuous or lighter in color, conspicuous, raised, prominent, sometimes short-mucronate.

= 52.