HABIT Perennial. Stolons present. Culms prostrate; 5-20 cm long; spongy; rooting from lower nodes. Ligule an eciliate membrane. Leaf-blades elliptic, or oblong, or ovate. INFLORESCENCE Inflorescence a panicle. Panicle open. Primary panicle branches whorled at lower nodes. Spikelets solitary. Fertile spikelets pedicelled. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6-7 mm long; falling entire. Floret callus elongated. GLUMES Glumes both absent or obscure. FLORETS Fertile lemma linear; chartaceous; keeled; 5 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex acuminate; awned; 1 -awned. Palea 1 length of lemma; chartaceous; 3 -veined; 1-keeled. Palea keels ciliate. FLOWER Lodicules 2. Anthers 6. DISTRIBUTION Temperate Asia, or Tropical Asia.