Flora of North America species comparison

straight or arcuate, 2–85 cm.

17–31 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 sheaths pale brown to orange-brown;

blades pale green, conspicuously glaucous, widest leaves (4.1–)6–15 mm wide, equaling stems, coriaceous, margins hyaline, white, 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 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.

tightly enveloping achenes, pale green, ellipsoid, 6.7–7.9 × 2–2.7 mm, apex abruptly contracted into beak;

beak 2.7–4 mm, smooth.

1–1.8 × 0.7–1.4 mm.

brown, obovoid to obpyriform, 2.8–3 × 2–2.5 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.

1.6–2.2 mm.

spikes with staminate portion 2–5-flowered, 3.2–4 × 1.1–2.8 mm; pistillate portion 3–14-flowered.

spikes 0.

scales green;

proximal scales with apex acuminate;

distal scales ovate, apex obtuse.

scales green, ovate, 2.5–3.4 × 0.9–1.5 mm, margins connate at base, enfolding scales above, hyaline, white, apex obtuse.

clavate, convolute, minutely papillose.

= 98.