Flora of North America species comparison

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

(0.8–)14–75 cm, smooth distally.

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.

proximal sheaths with blades, pale brown, 3–6 mm thick;

ligules 0.4–3.5(–8.5) mm, usually wider than long;

leaf blades somewhat glaucous, flat, 5.5–33 cm × 1.4–4.7 mm, folded at bases, margins revolute, herbaceous.

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.

3.2–21 cm, 1.7–3.5(–4.3) times as long as proximal bract;

proximal bract (1.3–)2–9 cm, sheath 0.5–2.4 cm, blade 1.1–7.1 cm; pistillate spikes densely flowered, ovoid to cylindric, 0.8–2.9 cm × 4.5–7.5 mm;

lateral spikes erect or ascending on stiff peduncles.

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 to spreading, yellowish green to brown, often suffused with reddish purple, broadly obovoid, 2.6–5.1 × 1.4–2.4 mm;

beak minute, sharply bent.

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

pale brown, 1.8–2.9 × 1.3–1.9 mm.

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 dark reddish purple with hyaline margins, green centers, apex obtuse, centers papillose.

1.5–2.5 mm.

= 32.