Flora of North America species comparison

to 100 cm × 2 mm, scabrous.

15–60 cm, 1.4–2 mm wide basally, 0.7–0.9 mm wide distally.

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.

sheaths tight, green, fronts hyaline;

ligules to 1.5 mm, wider than long;

widest leaf blades 1–2.5 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.

with 3–6 spikes, 1.5–4 cm × 7–12 mm;

proximal internodes 1–1.5 times as long as proximal spikes;

proximal bracts 6–25 cm, at least 2 times as long as inflorescences;

spikes with 8–20 spreading perigynia.

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.

pale green, veinless or indistinctly veined abaxially, 3.3–4 × 2.3–3 mm, base of body somewhat spongy, thickened, margins serrulate distally;

beak 0.8–1.2 mm, apical teeth 0.3–0.7 mm.

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

suborbiculate, 1.5–2 × 1.5–1.8 mm.

pale brown, hyaline, awn to 3 mm.

scales hyaline with green, 3-veined center, ovate, 2–3.5 × 1.2–2.4 mm, body 2/3 to almost length of perigynium, distinctly narrower, apex acuminate to awned.

1.3–1.8 mm.

= 52.