Perennial, tufted. Culms erect, 20–30 cm tall, ca. 1 mm in diam. Leaf sheaths smooth; ligule ca. 2 mm, semi-rounded; leaf blade conduplicate or inrolled, hard, 3–7 cm, 1–1.5 mm wide, margins scabrous, adaxial surface scabrous along veins. Panicle 5–10 × ca. 4 cm; branches 1 or 2 per node, smooth, apex sparsely scabrous. Spikelets 4–7 mm, florets 3–5; lower glume 2–2.5 mm, 1-veined, upper glume ca. 3 mm; lemmas 3.5–4 mm, veins inconspicuous, base and between veins densely pubescent, margins broadly membranous; palea keels ciliate on lower half, scabrous on upper half; anthers 0.8–1.2 mm. Fl. Jul–Aug.
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