Flora of North America species comparison

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

phyllopodic, with dead leaf remains at base, 20–60 cm.

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.

blades 1.5–4 mm wide, margins sometimes revolute, scabrid at tip.

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 0.5-2 cm, shorter than inflorescences;

lateral spikes 12–20 × 6–8 mm, with (7–)10–25 perigynia;

terminal spikes 10–25 × 2.2–3 mm.

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.

3.2–4.2 × 1.5–2.6 mm, apex tapering to rounded;

beak absent.

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

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 ovate-circular, 3.5–4.5 × 2.1–3.8 mm, slightly shorter than and wider than perigynia, apex acute to acuminate, mucronate, or shortly awned less than 1.5 mm.

1.5–3 mm.

2–2.3 mm.

scales oblong-ovate, 3–4.7 × 1.2–2.4 mm, apex obtuse.