Leaves linear, flat, gradually attenuate at both ends, glaucescent, aculeate-scabrous on the margins and especially at the filiform, triquetrous top, up to 30 cm by (2-)4-5 mm. Inflorescence consisting of a single spikelet. Flowers c. 1¾ mm long; Stamens 2;
Asia-Tropical: Philippines (Philippines present), Luzon present, Mindanao present, Mt Dingalan present, Tayabas present, Zamboanga present
Malesia: Philippines (Luzon: Prov. of Tayabas, Mt Dingalan; Mindanao, Distr. Zamboanga).