HABIT Annual. Culms 0.5-2 cm long. Ligule an eciliate membrane. INFLORESCENCE Inflorescence a panicle; subtended by an inflated leaf-sheath; embraced at base by subtending leaf. Panicle capitate. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes connate along margins below; persistent; shorter than spikelet. Lower glume obovate; 1 length of upper glume; coriaceous; 1-keeled; 3 -veined. Lower glume surface pubescent. Lower glume apex cuspidate. Upper glume obovate; 0.6-0.7 length of adjacent fertile lemma; coriaceous; 1-keeled; 3 -veined. Upper glume surface pubescent; with clavate hairs. Upper glume apex cuspidate. FLORETS Fertile lemma oblong; coriaceous; much thinner on margins; keeled; 5 -veined. Lemma surface scaberulous; pubescent; with clavate hairs. Lemma apex attenuate; awned; 1 -awned. Palea 0.8 length of lemma; 2 -veined. FLOWER Lodicules absent. Anthers 2. Ovary glabrous. FRUIT Caryopsis with adherent pericarp; ellipsoid; trigonous; apex rostrate. Embryo 0.25-0.33 length of caryopsis. Hilum punctiform. DISTRIBUTION Temperate Asia.