Flora of North America species comparison

14–89(–101) cm × 0.3–1.1 mm wide, smooth or papillose.

trigonous in cross section, (10–)20–90 cm.

ligule on distal leaf 0.9–2.2 mm, as long as wide;

blades 0.6–4.2 mm wide, widest blade 2.4–4.2 mm wide.

basal sheaths brown, reddish purple tinged, inner bands slightly fibrillose with age;

sheaths spreading pubescent;

ligules 2–8(–10.5) mm;

blades spreading, 2.5–8 mm wide, pubescent, not papillose abaxially.

12–56 mm;

proximal internode 6–34 mm;

proximal bracts 6–49 mm, awn 7–46 mm;

spikes (2–)3–5, longest ones 2–5, usually gynecandrous;

proximal spikes with 1–2 staminate and (5–)7–12 pistillate flowers, 5.2–11(–13) × (2.1–)3.7–6.9 mm;

terminal spikes usually with 1–3(–5) staminate and (7–)9–13(–16) pistillate flowers, 6.8–13 × 3.8–8.1 mm.

8–50 cm;

spikes erect or ascending;

proximal (1–)2–3 spikes pistillate;

terminal 1–3 spikes staminate.

erect to ascending, green to pale brown, 0–5-veined abaxially, usually veinless adaxially, narrowly ovate, 4–4.9(–5.2) × 1.3–1.5(–1.6) mm, 2.9–3.8 times as long as wide, apex gradually tapering;

beak 1.4–2.1 mm, 0.32–0.4 times as long as perigynia, margins serrulate, apex entire or bidentulate, teeth to 0.2 mm, 0–0.05 times as long as perigynia.

12–20-veined, 4.8–7.8 × 1.7–2.5 mm, ± densely spreading-pubescent;

beak 1.5–2.7 mm, spreading-pubescent, teeth spreading, 0.8–1.7 mm.

1.8–2.2 × 1.2–1.5 mm wide, 1.3–1.8 times as long as wide.

scales with colorless or stramineous margins, 3–4.5 × 1.6–2.2 mm, body 2.8–4.2 mm, apex acuminate to short-awned, awn to 0.6 mm.

scales ovate, apex acute to acuminate, scabrous-awned, sparsely spreading-pubescent or glabrous.

scales with colorless or stramineous margins, 3–5.3 × 1.2–1.6 mm, apex acute to acuminate or occasionally short-awned to 0.3 mm.

scales ovate, apex obtuse to acuminate, shortly scabrous-awned except sometimes the proximal, sparsely to densely spreading-white-pubescent.

(1.8–)1.9–2.2 mm.

1.9–2 mm.

= 112–114.