Flora of North America species comparison

straight or arcuate, 2–85 cm.

obtusely angled, 4–15 cm, glabrous.

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 red-brown;

sheaths of proximal leaves glabrous, fronts with red-brown spots, veinless, apex U-shaped;

blades amphistomic, 1.5–2 mm wide, papillose on both surfaces.

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 bract longer than inflorescence, 1–1.5 mm wide.

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.

erect, compact;

proximal 2–3 spikes pistillate, 1–1.5 cm × 3 mm, base cuneate;

terminal spike gynecandrous.

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.

ascending, green (becoming white) with red-brown spots on apical 1/2, 3–5-veined on each face, stipitate, tightly enclosing achenes, thin-walled, ellipsoid, 2–2.2 × 1.2–1.5 mm, dull, base truncate, distended, apex obtuse or acute, papillose apically;

stipe to 0.3 mm;

beak red-brown, 0.2 mm.

1–1.8 × 0.7–1.4 mm.

not constricted, dull, base adnate to perigynium.

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 red-brown or black, shorter than perigynia, apex obtuse, awnless.

= 86.