Flora of North America species comparison

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

20–70 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.

2.5–5 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 shorter than or exceeding inflorescences;

spikes distinct, spreading or the proximal pendent and often separate, elongate, 10–25 × 5–8 mm;

lateral 3–6 spikes pistillate, long-pendunculate;

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 brown or chestnut, veinless, ovate or elliptic, 2.5–3 × 1.5–1.75 mm, apex abruptly beaked, distally papillose;

beak 0.4–0.5 mm, bidentate, smooth.

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 light to dark brown with hyaline margins, lanceolate, longer than and as broad as perigynia, midvein same color as body, inconspicuous or lighter in color, conspicuous, raised, prominent, sometimes short-mucronate.

1.5–2.5 mm.