Flora of North America species comparison

straight or arcuate, 2–85 cm.

to 30 cm, short and long stems on same plant, scabrous.

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).

blades V-shaped in cross section when young, 1–2.5 mm wide, margins revolute, papillose, scabrous.

peduncles of terminal staminate spikes 0–28 mm;

bracts to 18 cm × 0.6–3.4 mm;

inner band of sheaths concave or truncate.

proximal bracts usually with sheath 2–5 mm;

lateral spikes 5–11 × 3–4 mm, usually 1–2 distal and several basal;

terminal spike 8–13 × 1.5–3 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.

12–24-veined, veins on faces not more than 0.1 mm wide, most distinctly narrower than marginal veins, obovoid, 3–4.5 × 1.5–1.9 mm, puberulent;

beak distinct, straight or slightly bent, 0.3–0.6 mm.

1–1.8 × 0.7–1.4 mm.

subsessile, usually with 2 faces concave, 2.4–2.5 × 1.5–1.7 mm, apex obtuse to truncate.

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 5–7-veined, ovate, 4–4.5 × 1.5–2 mm, proximal ones longer than perigynia, apex acute to acuminate or mucronate.

scales 5-veined, 4–5 × 1.5–2 mm.