Flora of North America species comparison

20–90 cm, 1.5–3 mm wide basally, 0.9–1.1 mm wide distally.

to 70 cm × 1.5 mm, scabrous.

sheaths tight, green, fronts hyaline, yellowish and thickened at mouth;

ligules to 3 mm, as long as wide;

widest leaf blades 2.5–4.5 mm wide, sometimes papillose adaxially.

sheath fronts rugose, indistinctly spotted pale brown, apex convex, membranous;

ligule emarginate to acute, 0–4 mm, free limb to 0.2 mm;

blades 50 cm × 5 mm, shorter than flowering stem.

with (3–)5–10 spikes, 1.5–3.5 cm × 8–15 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts 1–5 cm;

spikes with 8–20 ascending or spreading perigynia.

spicate or somewhat capitate, 3–5 cm × 15–25 mm, with 10–15 branches, proximal not distinct; the proximal internode to 0.5 cm;

bracts scalelike, the proximal setaceous, conspicuous.

pale green, pale yellow, or pale brown, 9–15-veined abaxially, 3.5–5 × 2.2–3 mm, margins serrulate distally;

beak 0.8–1.2 mm, apical teeth 0.4–0.6 mm.

dull yellow-brown turning medium brown, red-brown distally, (3–)5–7-veined abaxially, (0–)3–5-veined adaxially, body elliptic to ovate, 2.8–4 × 1.5–2 mm, base obtuse to rounded, usually with well-developed spongy tissue;

beak 1–1.5 mm, 1/3–1/2 length of perigynium.

suborbiculate, 1.9–2.5 × 1.5–2 mm.

red-brown, ovate, 1.5–1.7 × 1.5–1.8 mm, glossy.

scales hyaline or brown with green, 3-veined center, ovate, (2.4–)3–4.3 × (1–)1.6–3 mm, body slightly shorter to longer than perigynium and as wide, apex awned to 1.5–3.5(–4) mm.

2.2–2.5 mm.

hyaline, brown, awn 0.5–2 mm.