Perennials; culms 90-100 cm high, loosely tufted; nodes glabrous. Leaves 15-40 x 0.8-1.2 cm, linear-lanceolate, glabrous. Panicle 5-13 cm long, congested. lower glume 4 x 1.5 mm, lanceolate; florets 2; lower floret empty, upper bisexual; first lemma oblong, second lemma 2-cleft at apex. The grass grown in sandy streams and its banks. Flowering & Fruiting: September-December.