Flora of North America species comparison

(20–)30–100 cm, 2.5–8 mm wide basally, 0.7–1.6 mm wide distally.

to 25–60(–100) cm, smooth.

sheaths usually loose, proximally green-and-white-striped, not white spotted, with conspicuous transverse veins on back, fronts hyaline, sometimes transversely rugose and red dotted, thin, white or hyaline and fragile at mouth;

ligules 2–7 mm, shorter to longer than wide;

widest leaf blades (3–)4–8 mm wide.

2–6 mm wide.

with 5–15 spikes, 1–5 cm × 8–15 mm, occasionally compound, then somewhat larger;

proximal bracts to 3 cm;

spikes with 5–15 ascending to spreading perigynia;

proximal internodes shorter than to 1.5 times as long as proximal spikes.

proximal bracts shorter than or exceeding inflorescences;

spikes oblong or clavate, 10–25 × 6–8 mm;

proximal spikes separate, usually pendent, often long-pendunculate;

distal ones overlapping, erect, contiguous, short-pendunculate;

lateral 3–5 spikes pistillate;

terminal spike gynecandrous, 1/4 or less staminate.

pale green to pale brown, veinless or 3–7(–12)-veined abaxially, rarely veined adaxially, 3.5–5.5 × 2–3 mm, body somewhat spongy, base thickened, margins serrulate distally;

beak 0.6–1.6 mm, apical teeth 0.3–1 mm.

ascending, light to dark brown with light brown margins, veinless, obovate or circular, 3.5–4 × 2–3 mm, apex abruptly beaked, smooth;

beak 0.3–0.5 mm, shallowly or deeply bidentate, smooth.

circular to elliptic- circular, 1.8–2.1 × 1.6–2 mm.

filling proximal 1/2 or less of perigynia.

scales hyaline or brown with green, 1–3-veined center, ovate, 2.6–4.4 × 1.3–2.4 mm, body shorter to slightly longer than perigynium, apex acuminate to short-awned.

scales light to dark brown, margins hyaline, lanceolate, typically equaling or longer, sometimes shorter and narrower than perigynia, midvein dark, same color as body, inconspicuous, frequently raised, prominent, apex acute to short-mucronate.

1.5–3 mm.