Flora of North America species comparison

20–90 cm, 1.5–3 mm wide basally, 0.9–1.1 mm wide distally.

often curved, bluntly trigonous, 5–15 cm, smooth-angled distally.

sheaths tight, green, fronts hyaline, yellowish and thickened at mouth;

ligules to 3 mm, as long as wide;

widest leaf blades 2.5–4.5 mm wide, sometimes papillose adaxially.

basal sheaths brown;

ligules 0.4–1.6 mm;

blades folded to involute, ± equaling culms, 0.8–2.2(–2.5) mm wide.

with (3–)5–10 spikes, 1.5–3.5 cm × 8–15 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts 1–5 cm;

spikes with 8–20 ascending or spreading perigynia.

1–1.8 cm;

spikes ca. 8–15, essentially indistinguishable in dense globose to ovoid head.

pale green, pale yellow, or pale brown, 9–15-veined abaxially, 3.5–5 × 2.2–3 mm, margins serrulate distally;

beak 0.8–1.2 mm, apical teeth 0.4–0.6 mm.

dark brown, finely 5–9-veined abaxially, faintly veined or essentially veinless adaxially, clearly inflated, broadly elliptic, 3.6–5 × 1.9–2.6 mm, delicate and membranous, shiny;

stipe to 0.2 mm or essentially absent;

beak poorly defined, 0.6–1.1 mm, smooth or slightly scabrous-margined.

suborbiculate, 1.9–2.5 × 1.5–2 mm.

scales hyaline or brown with green, 3-veined center, ovate, (2.4–)3–4.3 × (1–)1.6–3 mm, body slightly shorter to longer than perigynium and as wide, apex awned to 1.5–3.5(–4) mm.

scales reddish brown to dark brown, ± translucent with broad whitish hyaline margins, broadly ovate, ± equaling perigynia, apex obtuse to acute, body shiny.

2.2–2.5 mm.

1–1.5 mm.