Flora of North America species comparison

20–90 cm, 1.7–2.2 mm wide basally, 0.7–1.1 mm wide distally.

to 80 cm × 4 mm, scabrous.

sheaths tight, green, sometimes white spotted, fronts hyaline, sometimes transversely rugose, mouth yellowish and thickened;

ligules to 3 mm, usually wider than long;

widest leaf blades 2–4 mm wide, papillose adaxially.

sheaths all with blades, fronts smooth, red spotted, indistinctly linearly veined, apex hyaline, colorless, fragile, convex, entire;

ligules rounded, 5 mm, free limb to 0.5 mm;

blades dark green, not epistomic, to 60 cm × 7 mm.

with 3–10 spikes, 1.5–4 cm × 8–12 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts less than 2 cm;

spikes with 8–20 ascending or spreading perigynia.

densely spicate, elongated, cylindric, with 8–12 branches, 2–4 × 1.5 cm;

proximal internode to 0.5 mm;

proximal bracts setaceous, apparent.

pale green to yellow-brown, 9–15-veined abaxially, margins serrulate distally;

beak 0.2–1.2mm, apical teeth 0.2–0.5 mm.

pale brown, coppery distally, faintly 3–5-veined or veinless abaxially, veinless adaxially, to 4 × 1.7 mm, base not distended proximally, rounded;

stipe to 0.2 mm;

beak to 2 mm, serrulate.

suborbiculate, 1.9–2.2 × 1.9–2.1 mm.

circular, 1.5 × 1.3 mm;

stalk to 0.15 mm;

persistent style base cylindric.

scales hyaline with green, 3-veined center, ovate to ovate-circular, body narrower than and 2/3 to length of perigynium, apex acute or with awn 0.5–1.5(–2) mm.

1.5–2.3 mm.

coppery with hyaline margins.

= 68.