Flora of North America species comparison

20–90 cm, 1.7–2.2 mm wide basally, 0.7–1.1 mm wide distally.

3–22 cm, strongly scabrous distally;

bases (remnants of old leaves) fibrous.

sheaths tight, green, sometimes white spotted, fronts hyaline, sometimes transversely rugose, mouth yellowish and thickened;

ligules to 3 mm, usually wider than long;

widest leaf blades 2–4 mm wide, papillose adaxially.

blades pale green, equaling or exceeding stems, 0.8–2.3 mm wide, coriaceous, glabrous abaxially, scabrous to papillose adaxially.

with 3–10 spikes, 1.5–4 cm × 8–12 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts less than 2 cm;

spikes with 8–20 ascending or spreading perigynia.

with both staminate and pistillate spikes;

peduncles of basal spikes stout, usually short, erect;

peduncles of staminate spikes 1.1–8.8 mm;

proximal nonbasal bracts scalelike, usually equaling or shorter than inflorescences.

proximal pistillate spikes 1–4 (basal spikes 1–2);

cauline spikes overlapping or somewhat separated, with 5–15 perigynia; staminate spikes 6.9–16.9 × 1.4–2 mm.

pale green to yellow-brown, 9–15-veined abaxially, margins serrulate distally;

beak 0.2–1.2mm, apical teeth 0.2–0.5 mm.

pale green to yellowish brown, veinless or faintly to 6-veined near base, globose to obovoid or ellipsoid, round in cross section, 2.7–4 × 1.5–2 mm;

beak straight, pale green, not strongly 2-edged, 0.4–1 mm, ciliate-serrulate, apical teeth 0.2 mm.

suborbiculate, 1.9–2.2 × 1.9–2.1 mm.

brown, globose to obovoid, round in cross section, 1.6–2.8 × 1.5–1.9 mm.

scales hyaline with green, 3-veined center, ovate to ovate-circular, body narrower than and 2/3 to length of perigynium, apex acute or with awn 0.5–1.5(–2) mm.

1.5–2.3 mm.

2–3.1 mm.

pistillate scales pale reddish brown with broad white margins, ovate, 3–4.3 × 1.5–1.8 mm, equaling perigynia, apex acute or cuspidate to acuminate; staminate scales lanceolate, 4.8–6.8 × 1.5–1.6 mm, apex acute to acuminate.

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