Flora of North America species comparison

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

15–50(–70) cm, distally scabrous.

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.

2–4 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 inflorescence;

lateral 1–2(–4) spikes pistillate;

proximal spikes distant, erect, and short-pedunculate;

distal lateral and/or terminal spikes overlapping, sessile, contiguous, and forming dense terminal cluster, globose or oblong, 5–12 × 3–6 mm;

terminal spike gynecandrous.

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.

erect or spreading, proximal ones sometimes reflexed, pale green becoming golden brown, veinless or few-veined from base to summit, ovate, 2.5–3.5 mm, distal margins occasionally serrulate, apex gradually or abruptly beaked, smooth or papillose;

beak 0.3–0.4 mm, bidentate, smooth or serrulate.

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

nearly filling body 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 dark brown to black to margins or distally hyaline, ovate or lanceolate, shorter than (often 1/2 the length), as broad as perigynia, midvein same color as body, inconspicuous.

1.5–3 mm.