Flora of North America species comparison

20–90 cm, 1.5–3 mm wide basally, 0.9–1.1 mm wide distally.

6–34 cm, scabrous distally;

bases weakly or not fibrous.

sheaths tight, green, fronts hyaline, yellowish and thickened at mouth;

ligules to 3 mm, as long as wide;

widest leaf blades 2.5–4.5 mm wide, sometimes papillose adaxially.

blades pale green or glaucous, equaling or usually exceeding stems, 1.8–3.8 mm wide, coriaceous, glabrous abaxially, glabrous or scabrous adaxially.

with (3–)5–10 spikes, 1.5–3.5 cm × 8–15 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts 1–5 cm;

spikes with 8–20 ascending or spreading perigynia.

with both staminate and pistillate spikes;

peduncles of basal spikes erect, short, stout;

peduncles of terminal staminate spikes 2–2.5 mm;

proximal nonbasal bracts leaflike, equaling or slightly exceeding inflorescences.

proximal pistillate spikes 2–6 (basal spikes 1–4);

cauline spikes overlapping, with 1–4 perigynia;

terminal staminate spikes 5.8–12.7 × 1.5–2.2 mm.

pale green, pale yellow, or pale brown, 9–15-veined abaxially, 3.5–5 × 2.2–3 mm, margins serrulate distally;

beak 0.8–1.2 mm, apical teeth 0.4–0.6 mm.

green, often with reddish brown tinge, 12–15veined, conspicuous to at least mid body, ellipsoid, 4–5.3 × 1.4–2.2 mm;

beak often bent, occasionally straight, pale green, 0.8–1.9 mm, ciliate-serrulate, apical teeth 0.2–0.5 mm.

suborbiculate, 1.9–2.5 × 1.5–2 mm.

brown, ellipsoid, obtusely trigonous in cross section, 2.1–2.6 × 1.3–2.1 mm.

scales hyaline or brown with green, 3-veined center, ovate, (2.4–)3–4.3 × (1–)1.6–3 mm, body slightly shorter to longer than perigynium and as wide, apex awned to 1.5–3.5(–4) mm.

2.2–2.5 mm.

2.3–3.3 mm.

pistillate scales reddish brown, with similarly colored or narrow white margins, ovate, 3.6–6 × 1.2–2.2 mm, apex cuspidate to acuminate (awned on some basal spikes); staminate scales lanceolate, 3.7–5.9 × 1.4–2.2 mm, apex acute to acuminate.

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