HABIT Perennial. Culms erect; 60-90 cm long. Ligule a fringe of hairs. INFLORESCENCE Gynodioecious ("male", in this context, indicating the bisexual state). Inflorescence a panicle. Panicle contracted. Spikelets solitary. Fertile spikelets pedicelled. FERTILE SPIKELETS Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose. GLUMES Glumes persistent; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex attenuate. Upper glume lanceolate; 1.2 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex attenuate. FLORETS Fertile florets female. Fertile lemma oblong; chartaceous; without keel; 7 -veined. Lemma surface villous. Lemma apex dentate; 2 -fid; incised 0.1 of lemma length; awned; 3 -awned. Principal lemma awn from a sinus; straight, or curved. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped. FLOWER Lodicules 2; fleshy; ciliate. Anthers 3. FRUIT Caryopsis with adherent pericarp. MALE Male inflorescence similar to female. Male spikelets resembling female. DISTRIBUTION Tropical Asia.