Flora of North America species comparison

(20–)30–100 cm, 1.5–3.5 mm wide basally, 0.7–1.2 mm wide distally.

to 125 cm.

sheaths usually loose, proximal green-and-white-striped and green-and-white-mottled, with conspicous transverse veins on back, fronts white to hyaline, sometimes red dotted and transversely rugose, yellow or brown and thickened at mouth;

ligules 1–4.5 mm, shorter than to as long as wide;

widest leaf blades 3.5–5 mm wide.

sheaths glaucous, fronts indistinctly veined, veins not persisting, apex thin, truncate or irregularly convex;

blades 120 cm × 7–10 mm, glabrous.

with 5–10 spikes, (1.5–)2–5 cm × 8–13 mm;

proximal internodes shorter than to as long as proximal spikes;

proximal bracts to 3 cm;

spikes with 5–15 ascending to spreading perigynia.

with 5–7 spikes, 30 cm;

peduncle of lateral spikes to 6 cm;

proximal bracts equaling inflorescences, 3–6 mm wide;

lateral spikes divergent, 3–6 cm × 6–8 mm.

pale green to pale brown, veinless or weakly 2–5-veined abaxially, 3.4–4.6 × 1.9–2.8 mm, body somewhat spongy, thickened at base, margins serrulate distally;

beak 0.7–1.4 mm, apical teeth 0.3–1 mm.

strongly divergent, red-brown, angles veined, faces prominently 6–8-veined, sessile, widely elliptic or somewhat obovate, 3.5–4.5 × 2.8–3.2 mm, base rounded, apex ± truncate proximal to beak, densely papillose with low, oblong or, rarely, minute, rounded papillae, not markedly glaucous;

beak 0.3–0.5 mm, entire or minutely bidentate, teeth to 0.1 mm.

circular to elliptic-circular, 1.8–2.1 × 1.6–1.8 mm.

rhomboid, 2.5–3 × 2.5–3 mm, base conspicuously broadened.

scales hyaline or pale brown with green, 1–3-veined center, ovate, 2.2–3.5 × 1.2–1.8 mm, body 2/3 as long to almost length of perigynia, apex acuminate to short-awned.

scales shorter and narrower than perigynia, apex acute, awn to 3 mm.

1.5–2.5 mm.