Flora of North America species comparison

straight or arcuate, 2–85 cm.

14–89(–101) cm × 0.3–1.1 mm wide, smooth or papillose.

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).

ligule on distal leaf 0.9–2.2 mm, as long as wide;

blades 0.6–4.2 mm wide, widest blade 2.4–4.2 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.

12–56 mm;

proximal internode 6–34 mm;

proximal bracts 6–49 mm, awn 7–46 mm;

spikes (2–)3–5, longest ones 2–5, usually gynecandrous;

proximal spikes with 1–2 staminate and (5–)7–12 pistillate flowers, 5.2–11(–13) × (2.1–)3.7–6.9 mm;

terminal spikes usually with 1–3(–5) staminate and (7–)9–13(–16) pistillate flowers, 6.8–13 × 3.8–8.1 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.

erect to ascending, green to pale brown, 0–5-veined abaxially, usually veinless adaxially, narrowly ovate, 4–4.9(–5.2) × 1.3–1.5(–1.6) mm, 2.9–3.8 times as long as wide, apex gradually tapering;

beak 1.4–2.1 mm, 0.32–0.4 times as long as perigynia, margins serrulate, apex entire or bidentulate, teeth to 0.2 mm, 0–0.05 times as long as perigynia.

1–1.8 × 0.7–1.4 mm.

1.8–2.2 × 1.2–1.5 mm wide, 1.3–1.8 times as long as wide.

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.

(1.8–)1.9–2.2 mm.

scales with colorless or stramineous margins, 3–4.5 × 1.6–2.2 mm, body 2.8–4.2 mm, apex acuminate to short-awned, awn to 0.6 mm.

scales with colorless or stramineous margins, 3–5.3 × 1.2–1.6 mm, apex acute to acuminate or occasionally short-awned to 0.3 mm.

1.9–2 mm.