Slender, loosely tufted perennial without rhizomes; culms 25-60 cm high, erect or geniculately ascending. Leaf-blades flat or the margins inrolled, 6-15 cm long, 1-3 mm wide, shortly hairy above, glabrous beneath. Spike slender, 6-12cm long, erect, rhachis joints scabrid along the margins. Spikelets 3-5-flowered, 10-15 mm long; glumes unequal, elliptic, glabrous, acute, the lower 5-7 mm long, the upper 6-8 mm long; lemma oblong-lanceolate, 8-10 mm long, smooth and glabrous, acute or emarginate; palea almost as long as the lemma; anthers 3-5 mm long.