Perennial, forming small loose tufts. Culms geniculately ascending, 8–20 cm, scaberulous below panicle. Leaf blades linear, flat or folded, 3–20 cm × 0.8–2.5 mm wide, scabrid on both surfaces; ligule 2–4.5 mm. Panicle narrow, fairly lax, 2.5–7 cm; tinged pinkish violet; branches short, scabrid. Spikelets 2.2–2.8 mm; glumes oblong, scabrid, apex obtuse, awned, awn straight, 0.5–2 mm; lemma ovate, 1.4–1.8 mm, apex aristulate-denticulate, midvein extended into a straight or curved 2.3–3.5 mm awn; palea 2/3 lemma length. Stamens 3, anthers 0.5–0.8 mm. Fl. Jun.