Flora of North America species comparison

straight or arcuate, 2–85 cm.

aphyllopodic, without dead leaf remains at base, 20–90 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).

blades 2–5 mm wide, margins revolute, scabrid at tip.

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 2–7 cm, shorter than inflorescences;

lateral spikes usually androgynous, (10–)25–50 × 3.5–6 mm, with 20–80 perigynia;

terminal spikes 20–50 × 2.5–5 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.

2.5–3.5 × 1.2–2 mm, apex rounded;

beak 0.1–0.5 mm.

1–1.8 × 0.7–1.4 mm.

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.

2.6–2.9 mm.

scales ovate, 2.4–4 × 1.3–1.8 mm, shorter and as wide as or slightly narrower than perigynia, apex obtuse to acute.

scales oblong-obovate, 3.7–4.5 × 1.2–2 mm, apex obtuse.