Flora of North America species comparison

straight or arcuate, 2–85 cm.

25–50 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).

basal and cauline;

proximal leaves reduced to sheaths;

distal leaves with blades 2–5 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.

spikes separate, oblong or elongate, 8–20 × 3.5–5 mm;

lateral spikes 2–4(–9);

proximal spikes spreading or pendent, long-pedunculate;

distal spikes approximate, erect or spreading, short-pedunculate.

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.

yellow-green, green, or purple-black, veined or veinless, ovate, 3.5–5 × 1.75–2 mm, smooth;

beak 0.4–0.5 mm, entire or deeply bidentate, smooth.

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.

scales brown or black, midvein prominent, lighter colored than body, conspicuous, lanceolate, shorter or longer than and as broad as perigynia, apex acute or mucronate.