Flora of North America species comparison

straight or arcuate, 2–85 cm.

trigonous in cross section, 20–100 cm, scabrous-angled distally.

of flowering stems shorter than to exceeding culms, to 20 cm × 0.8–5.4 mm;

ligules on distal cauline leaves usually obsolete (except in 414.b Carex viridula subsp. brachyrrhyncha).

basal sheaths usually strongly tinged with reddish purple;

ligules longer than wide;

blades pale to mid green, flat to W-shaped, 2.5–8.5 mm wide, glabrous.

peduncles of terminal staminate spikes 0–28 mm;

bracts to 18 cm × 0.6–3.4 mm;

inner band of sheaths concave or truncate.

2.5–12(–20) cm;

proximal bract 4–30 cm, exceeding inflorescence;

proximal (1–)2–3(–4) spikes pistillate, erect or often the proximal pendent;

terminal 1 spike staminate.

proximal pistillate spikes 1–8, contiguous or proximal distant, sessile or short-pedunculate, globose to short-cylindric, 4–17.5 × 3–11 mm;

terminal staminate spike sessile or pedunculate, 5–25 × 1–3.6 mm.

spreading, yellow to dark olive, 1.8–4.2 × 0.8–2 mm, apex gradually or abruptly narrowed;

beak straight or reflexed less than 20°, 0.3–2.1 mm, scabrous or smooth.

spreading or the proximal reflexed, strongly 13–21-veined, veins mostly separated by 3+ times their width, confluent at or proximal to mid beak (except for 2 prominent lateral), elliptic, 4.5–7.3 × 1.4–2.1 mm, herbaceous, apex contracted;

beak 1.9–2.8 mm, smooth, bidentulate, teeth straight, 0.3–0.9 mm.

1–1.8 × 0.7–1.4 mm.

pale brown, trigonous, smooth.

pistillate scales pale brown to reddish brown, 1.4–3.2 × 0.8–1.7 mm, margins pale, narrow, hyaline; staminate scales reddish brown, lanceolate to ovate, 2.3–5.2 × 0.7–2 mm, margins narrowly pale hyaline, apex obtuse to acuminate.

0.9–3.1 mm.

scales lanceolate, 2.3–6.5 × 0.5–1.1 mm, shorter than perigynia, margins ciliate, , apex truncate to retuse, scabrous-awned, awn longer than body.

scales scabrous-awned, sometimes also ciliate-margined.

3.