Culms 25–50 cm. Leaves basal and cauline; proximal leaves reduced to sheaths; distal leaves with blades 2–5 mm wide. Inflorescences: spikes separate, oblong or elongate, 8–20 × 3.5–5 mm; lateral spikes 2–4(–9); proximal spikes spreading or pendent, long-pedunculate; distal spikes approximate, erect or spreading, short-pedunculate. Pistillate scales brown or black, midvein prominent, lighter colored than body, conspicuous, lanceolate, shorter or longer than and as broad as perigynia, apex acute or mucronate. Perigynia yellow-green, green, or purple-black, veined or veinless, ovate, 3.5–5 × 1.75–2 mm, smooth; beak 0.4–0.5 mm, entire or deeply bidentate, smooth.
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