Flora of North America species comparison

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

15–30 cm, distally finely scabrous.

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.

3–4 mm wide.

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.

proximal bracts usually shorter than or, occasionally, equaling inflorescences;

spikes contiguous, overlapping, forming dense terminal cluster or proximal spike sometimes distinct and separate, sessile or short-pedunculate, short-oblong, 10–12 × 5–8 mm;

lateral 2–3 spikes pistillate;

terminal spike gynecandrous.

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.

ascending, yellow green, golden brown or if dark brown with yellow margins, veinless, narrowly elliptic, 3.5–4 × 1.5–1.75 mm, apex gradually beaked, distally papillose;

beak 0.8–1 mm, bidentate, occasionally serrulate.

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

filling proximal 1/2 or less of perigynia.

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 blue-black to margins, lanceolate, shorter than, less frequently as long as, and as broad as perigynia, midvein same color as body, inconspicuous or lighter colored and conspicuous, apex acute.

1.5–2.5 mm.