Flora of North America species comparison

straight or arcuate, 2–85 cm.

bluntly trigonous, 5–35 cm, smooth or scabrous distally;

vegetative stems ascending to erect when young, becoming prostrate stolons at maturity, elongating to 120 cm.

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).

sheaths with fronts pale brown at apex;

ligules 0.6–6.2 mm;

blades 0.4–3 mm wide.

peduncles of terminal staminate spikes 0–28 mm;

bracts to 18 cm × 0.6–3.4 mm;

inner band of sheaths concave or truncate.

5–16 × 4–12 mm;

spikes ascending to spreading, ovoid to broadly ovoid, 4–8 × 2–5 mm.

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.

dark brown, 12–28-veined, 1.4–2.2 mm wide, apex erose to weakly bidentulate, glossy.

1–1.8 × 0.7–1.4 mm.

silvery brown, 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 brownish with green center and paler margins, ovate to broadly ovate.

scales ovate, apex obtuse to acuminate.

= 60.