Flora of North America species comparison

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

20–30 cm.

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

sheaths white-hyaline, summits usually U-shaped;

distal ligules 1–2(–2.5) mm;

blades 3(–5) per fertile culm, 10–40 cm × 2.2–3.2 mm.

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 sometimes open proximally, brown or purplish, 1.2–2(–2.5) cm × (8–)12–18 mm;

proximal internode 1.5–3.5 mm; 2d internode 0.5–2.5 mm;

proximal bracts bristlelike, shorter than inflorescences.

4–5, densely aggregated, usually at least proximal 1 distinct, obovoid, 9–12 × (5.5–)7–9 mm, base rounded or attenuate, apex rounded or acute.

2.5–4.5 × 1.6–2 mm, apex rounded;

beak absent.

appressed to ascending, usually dark brown, often green or gold distally and at margins, veinless or conspicuously 3–6-veined abaxially, inconspicuously veined adaxially, broadly obovate to broadly ovate, flat except over achene, 4–5.5 × 2–2.7 mm, 0.25–0.4(–0.5) mm thick, margin flat, including wing 0.4–0.6 mm wide, ciliate-serrulate at least on distal body;

beak purplish or brown to red-brown, white-hyaline at tip, cylindric, unwinged, entire for 0.5–1.3 mm from tip, abaxial suture with conspicuous white margin, distance from beak tip to achene (1.9–)2.2–2.9 mm.

obovate or ovate, 1.6–2.1 × 1–1.4 mm, 0.3–0.5 mm thick.

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

scales red- or purple-brown to dark brown, sometimes gold above the middle, sometimes with paler midstripe, ovate to broadly ovate, 4.3–5.6 mm, shorter than or equaling perigynium beaks, equaling or narrower than perigynia, margin white-hyaline, green, or gold 0.15–0.3 mm wide, apex usually acute.

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

2–2.5 mm.

long-persistent.

= 52.