Flora of North America species comparison

13–49 cm, triangular, scabrous distally.

straight or arcuate, 2–85 cm.

basal sheaths reddish brown to dark brown;

blades plane, 1.1–3.5 mm wide, equaling or exceeding culms.

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).

peduncles of terminal staminate spikes 0–28 mm;

bracts to 18 cm × 0.6–3.4 mm;

inner band of sheaths concave or truncate.

with staminate portion separated from pistillate portion by short but conspicuous internode, with pistillate portion unbranched, 7.5–26.5 × 1.3–2.2 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.

1–3, greenish yellow to brown, with 2 marginal veins, otherwise veinless, 5–6.8(–8.4) × 1.8–2.8 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.

1–1.8 × 0.7–1.4 mm.

scales brown, chartaceous, apex cuspidate to short-awned.

scales reddish brown, apex cuspidate to short-awned.

2.2–6.2 mm.

0.9–3.1 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.