Plant densely tufted; shoots extravaginal. Culms 15–25 cm tall, nodes 1. Leaf sheaths smooth, glabrous or basal leaf sheaths pubescent; auricles present as erect swellings; leaf blades conduplicate, flaccid, 7–13 cm × 0.3–0.8 mm, veins (5–)7–9; adaxial to abaxial sclerenchyma strands absent, abaxial sclerenchyma in 3 strands at midrib and margins; ligule 0.1–0.3 mm, margin ciliate. Panicle contracted, narrow, 3–6 cm; branches 0.5–2 cm, 1 at lowest node. Spikelets 5–6 mm, purplish or greenish brown; florets 3–5; glumes glabrous or pubescent; lower glume lanceolate, 2–2.5 mm; upper glume oblong or broadly lanceolate, 2.8–3.2 mm; rachilla internodes 1–1.2 mm; lemmas 3.5–4 mm, smooth in lower part, scabrid or pubescent toward apex; awns 1–2.5(–3) mm; palea keels scabrid. Anthers 1.5–2.1(–2.5) mm. Ovary apex glabrous. Fl. and fr. Jul–Sep.
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