Flora of North America species comparison

15–60 cm, proximally scabrous.

to 30 cm.

2.5–4 mm wide.

blades 1.5–3.5 mm wide.

proximal bracts usually shorter than, sometimes equaling, occasionally exceeding, inflorescences;

spikes spreading or erect, overlapping, contiguous, forming dense terminal cluster or, sometimes, proximal spikes separate, sessile, short-oblong, 7–12 × 6–10 mm;

lateral 2–3 spikes pistillate;

terminal spike gynecandrous.

1–12 cm, proximal internodes 5–50 mm;

peduncles of proximal spikes to 5 cm;

proximal bracts with blade 0–15(–40) mm, sheath cylindric, (3–)4–22 mm, mouth 0.5–1.2 mm wide.

(2–)3–4(–5);

lateral spikes pistillate, the proximal inclined or pendent, 6–21 × 3–6 mm;

terminal spike gynecandrous, rarely staminate, pendent, 8–10 × 3.5–5 mm.

ascending or spreading, pale yellow, dark brown or blackish with green or yellow-brown margins, veinless, ovate or, rarely, circular, 3–4 × 2–3 mm, apex abruptly beaked, papillose on distal margins and serrulate;

beak 0.4–0.5 mm, shallowly or deeply bidentate, often serrulate.

ascending, pale brown proximally, black or dark brown distally, veins indistinct, lanceolate, 3.3–5.5 × 0.9–1.3(–1.4) mm, margins ciliate, glabrous;

beak indistinct.

filling proximal 1/2 or less of perigynia.

obovoid, 1.5–2 × 0.9–1 mm.

scales dark brown or black, distal margins often hyaline, ovate or lanceolate, shorter than or as long and broad as pergynia, midvein same color as body, inconspicuous, apex acute.

scales black or brown with pale, weak midvein and very narrowly scarious margins, ovate, 2.8–4.2 × 1.4–2.4 mm, apex obtuse to acuminate.

scales brown to black with pale midvein and scarious margins, oblong-obovate to obovate, 3–5 × 1.4–1.8 mm.

1.2–2.7 mm.