Flora of North America species comparison

to 100 cm × 2 mm, scabrous.

15–55 cm, smooth to scabrous distally.

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.

proximal sheaths pale brown to dark brown, occasionally red tinged, 4.5–8(–10) mm thick;

ligules 1.2–3.9 mm, usually 0.6–1.5 times as long as wide;

leaf blades very glaucous, channeled, 4.5–40 cm × 1.5–3.5(–6.5) mm, coriaceous.

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.

2.2–8.59(–12) cm, 0.6–1.8 length of proximal bract;

proximal bract 0.8–11 mm, sheath 0–1.2cm, blade 0.8-10 cm; pistillate spikes densely flowered, ovoid to short-cylindric, 0.7–2.5 cm × 4–5.5 mm wide;

lateral spikes erect or ascending on stiff peduncles.

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.

strongly ascending in the spikes, glaucous, fusiform, 3–4.8(–5) × (1–)1.3–2 mm wide, heavily papillose;

beak absent or minute, erect, straight.

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

pale to dark brown, 2.1–2.5 × 1.2–1.8 mm wide.

pale brown, hyaline, awn to 3 mm.

scales pale brown to dark purple-brown with broad green center and narrow hyaline margins, obtuse to acute.

= 52.

= 32.