Flora of North America species comparison

8.8–28 cm.

20–90 cm, 1.7–2.2 mm wide basally, 0.7–1.1 mm wide distally.

basal sheaths dark reddish to purplish brown;

blades mostly basal, dark green, equaling or mostly exceeding culms, 1.4–4 mm wide, thick, margins smooth or scabrous.

sheaths tight, green, sometimes white spotted, fronts hyaline, sometimes transversely rugose, mouth yellowish and thickened;

ligules to 3 mm, usually wider than long;

widest leaf blades 2–4 mm wide, papillose adaxially.

peduncles of basal pistillate spikes filiform, arching, to 13 cm;

peduncles of terminal staminate spikes 2–6 cm;

proximal bracts short-sheathing; pistillate spikes 2–5, mostly emerging from basal nodes, proximal spikes arching, distal ones ascending, short-pedunclulate, widely separated, often with 1–2 staminate flowers at apex, obovoid to ellipsoid;

terminal staminate spikes usually with 2–5 pistillate flowers at base, 7.5–9.8 × 1.8–2.3 mm.

with 3–10 spikes, 1.5–4 cm × 8–12 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts less than 2 cm;

spikes with 8–20 ascending or spreading perigynia.

obovoid to oblanceoloid, 3.7–6 × 1.4–1.7 mm, base tapering, pubescent with short straight hairs;

beak bent, 0.2–0.4 mm.

pale green to yellow-brown, 9–15-veined abaxially, margins serrulate distally;

beak 0.2–1.2mm, apical teeth 0.2–0.5 mm.

ellipsoid, 2.5 × 1.5–1.6 mm.

suborbiculate, 1.9–2.2 × 1.9–2.1 mm.

pistillate scales pale brown to reddish brown, ovate to obovate, apex retuse or truncate to obtuse, cuspidate; staminate scales dark reddish brown, ovate, apex cuspidate.

2–3.6 mm.

1.5–2.3 mm.

3, thin, flexuous, strongly papillose.

scales hyaline with green, 3-veined center, ovate to ovate-circular, body narrower than and 2/3 to length of perigynium, apex acute or with awn 0.5–1.5(–2) mm.

= 26.