Flora of North America species comparison

20–60 cm, 2–3.5 mm wide basally, 0.5–1 mm wide distally.

obtusely angled, 110 cm × 5 mm, glabrous.

sheaths tight, green, rarely white spotted, fronts hyaline, slightly thickened at mouth;

ligules to 5 mm, longer than wide;

widest leaf blades (1.9–)2.5–5 mm wide.

sheaths with red-brown spots, to 60 cm, backs green or red tinged, fronts membranous, apex concave to V-shaped;

blades 120 cm × 7–18 mm, leathery, margins revolute, prominently keeled, antrorsely scabrous on margins and keel, glaucous when young, glossy adaxially, surface papillose abaxially.

forming dense heads, with 3–8 spikes, 0.6–2 cm × 5–10 mm;

proximal bracts 1–5 cm;

spikes with 4–20 ascending to spreading perigynia.

with 5–20 spikes, 25–80 cm; pistillate spikes 4–10, 3–13 cm × 10–12 mm.

pale green to pale yellow, veinless or to weakly 8-veined abaxially, 2.5–3.2 × 1.4–2 mm, body elliptic to circular, widest at 0.4–0.55 length of body, margins serrulate distally;

beak 0.7–1.1 mm, apical teeth 0.3–0.5 mm.

pale brown, with uniformly distributed red-brown spots, somewhat flattened to strongly inflated distally, 3.5–4.8 × 1.5–2.5 mm, base cuneate, apex obtuse, somewhat glaucous;

beak red-brown, flared, abaxially obliquely bidentately cut, 0.5 mm.

circular, 1 × 1 mm.

dark brown, stipitate, ellipsoid, 2 × 1.2 mm.

scales hyaline with green midvein, ovate, 1–1.8 × 0.8–1.4 mm, body not more than 1/2 length of perigynium, apex acuminate to short-awned.

0.7–1.3 mm.

3–4 mm.

red-brown with broad yellow-brown midrib, oblong, 3.5 × 1 mm, margins hyaline, apex acuminate or retuse, awn 0.5–3 mm, ciliate.

= 48.