Flora of North America species comparison

phyllopodic, with dead leaf remains at base, 5–35 cm.

10–35 cm.

blades 1–2.5 mm wide, margins sometimes involute, scabrid at tip.

sheath adaxially white-hyaline, summits U-shaped;

distal ligules 0.9–2 mm;

blades 2–4(–5) per fertile culm, occasionally folded, 6–20 cm × (0.5–)1–2(–2.5) mm, if not folded, margins revolute.

proximal bracts 0.5-2 cm, much shorter than inflorescences;

lateral spikes 6–15 × 3.5–5 mm, with 2–10 perigynia;

terminal spikes 6–20 × 1–2.5 mm.

dense or open, gold to dark brown, 1.7–3 cm × 11–18 mm;

proximal internode 4–8.6 mm; 2d internode 1.5–3.5 mm;

proximal bracts usually scalelike or bristlelike, occasionally leaflike, shorter than inflorescences.

3–6, distant to loosely aggregated, distinct or individually indistinct, broadly ovoid, 10–15 × 7–9 mm, base acute to attenuate, apex rounded.

2.5–4.5 × 1.6–2 mm, apex rounded;

beak absent.

ascending to spreading, gold to coppery; conspicuously 3–11-veined abaxially, conspicuously 0–13-veined adaxially, broadly ovate, usually flat, 4.3–6.3 × 2–3 mm, 0.25–0.5 mm thick, margin flat, including wing 0.4–0.9 mm wide, edge often minutely crinkled;

beak red-brown or brown, usually white-hyaline at tip, cylindric, unwinged, ± entire for (0.3–)0.5–0.9 mm, ciliate-serrulate at least on distal body, abaxial suture inconspicuous or with conspicuous white margin, distance from beak tip to achene (1.9–)2.2–3.7 mm.

elliptic, 1.5–2.1 × 0.75–1.1(–1.3) mm, 0.25–0.5 mm thick.

scales circular-ovate, 3–4.8 × 2.2–3.4 mm, long as and wider than perigynia, apex obtuse, sometimes mucronate.

scales gold or reddish to dark brown, with pale midstripe, lanceolate to ovate, 3.5–4.8 mm, usually shorter than and 1/3–1/2 width of perigynia, margin white, 0–0.2 mm wide, apex obtuse to acuminate.

scales oblanceolate to obovate, 3.2–4.8 × 1.5–2 mm, apex acute to obtuse.

2–2.5 mm.

long-persistent.

= 52.