Culms 40–80 cm. Leaves: basal sheaths brown to orange-brown; blades of flowering stems mostly basal, gray-green, flat, shorter than stems, widest blades 3–4.6 mm wide, margins scabrous. Inflorescences: longer peduncle of terminal spike 2–5(–8.5) cm; proximal bract shorter than inflorescence; pistillate spikes 2–4, ascending, widely separated from staminate spike, pedunculate, ovoid to short-cylindric; terminal staminate spike (15–)20–32(–40) × 2–2.5 mm. Pistillate scales brown, with green or whitish, 3-veined midrib. Staminate scales brown, ovate-elliptic, margins scarious, apex obtuse or apiculate. Anthers 2.5–3.5 mm. Perigynia grayish green to greenish brown, 3.5–4.6 × 1.1–1.4 mm, apex contracted; beak (0.8–)1–1.4 mm, scabrous. 2n = 68, 70–72, 74.
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