Flora of North America species comparison

to 100 cm × 2 mm, scabrous.

lateral, lax, drooping, or decumbent, 34–62 cm × 1–1.2 mm.

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.

basal sheaths purple, sheaths 15–29 mm;

blades erect or ascending, green, midrib and 2 lateral veins strongly developed, 14–48 cm × 4–18 mm, older ones shriveling or dead at tips.

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.

spikes (2–)3–(–4) per culm, scattered;

peduncle of pistillate spike usually erect or spreading, rarely drooping, exserted 0–11.5 cm;

bracts sheaths green, occasionally with purple traces, from middle and proximal portions of culms with blades 2.1–9.2 cm × 1–4 mm.

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.

4–9 per spike, overlapping, finely veined, ovoid, 5–6.6 × 2.5–3 mm;

beak tapering.

ascending through entire orifice.

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

broadly ovoid, 4.5–6 × 2.4–2.8 mm, slightly to distinctly concave at maturity, tightly fitting in perigynia.

pale brown, hyaline, awn to 3 mm.

spikes proximal sometimes basal, 7–18 × 4–7 mm.; pistillate scales keeled, 3.5–4.2 × 1.8–2.2 mm, midribs green, margins hyaline, occasionally purple tinged outward, apex cuspidate to acute.

spike 1, pedunculate, oblanceolate to linear, 8–20 × 2–3.5 mm.; staminate scales 4–6 × 1.8–2.2 mm, midribs green, margins hyaline, purple outward, apex obtuse.

3.4–3.7 mm.

= 52.

= 68.