Annual with fibrous roots. Leaves ½-⅓ as long as the stems, often curved, flat, rather abruptly acuminate, glabrous, or pubescent beneath, often ciliate on the margins, scabrid in the upper part, 1-2 mm wide; Inflorescence simple or compound, loose, diffuse, with several spikelets but sometimes reduced to a single spikelet, up to 5(-10)cm long and wide. Stamens 1(-2);
Asia-Tropical: Jawa (Jawa present); New Guinea present; Philippines (Philippines present); Sulawesi (Sulawesi present), Atjeh present, Australasia: Queensland (Queensland present), Cape York Peninsula present, Kangean Arch present, Ketol Valley present, Luzon present, Madura present, Mindanao present, N. Sumatra present, Panay present, Papua present, S. China present, SE. Thailand present, Tanimbar Is present
SE. Thailand, S. China, Queensland (Cape York Peninsula); in Malesia: N. Sumatra (Atjeh: Ketol Valley), throughout Java, Kangean Arch., Madura, Tanimbar Is., Philippines (Luzon, Panay, Mindanao), Celebes, New Guinea (Papua).