Flora of North America species comparison

to 100 cm × 2 mm, scabrous.

5–35 cm, distally scabrous.

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.

2–3 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.

proximal bracts shorter than or exceeding inflorescences;

spikes globose or oblong, 4–10 × 3–6 mm;

lateral 1–2(–3) spikes pistillate, distant, distinct, erect, short-pedunculate;

terminal and distal lateral spikes overlapping, sessile, forming dense terminal cluster;

terminal spike gynecandrous.

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.

ascending, green becoming dark brown or purple-black, veinless, elliptic or obovate, 2–2.5 × 1.25–1.5 mm, often serrulate distally, apex abruptly beaked, papillose;

beak 0.2–0.3 mm, shallowly bidentate, smooth or serrulate.

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

nearly filling body of perigynia.

pale brown, hyaline, awn to 3 mm.

scales dark brown or black, margins hyaline, ovate, shorter than or equaling and as broad as perigynia;

midvein same color as body, inconspicuous.

= 52.

= 56.