Culms to 75 cm × 2 mm, scabrous. Leaves: sheath fronts indistinctly spotted pale brown or red, apex convex, membranous, rugose; ligule rounded, to 3 mm, free limb to 0.2 mm; blades 60 cm × 5 mm, shorter than flowering stem. Inflorescences spicate, 4–7 cm × 15 mm, with 10–15 branches, proximal usually distinct; proximal internodes to 1.5 cm; bracts setaceous, proximal 1–3 conspicuous, distal bracts scalelike. Scales hyaline, red-brown with narrow colorless margins, awn to 1.5 mm. Perigynia golden brown, 3-veined abaxially, body broadly elliptic to ovate, 2.2–3 × 1.5–2.2 mm, base rounded; beak 0.5–1.2 mm, 1/3 length of body. Achenes red-brown, circular, 1.2–1.5 × 1–1.2 mm, glossy.
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