Leaves subcoriaceous, broadly linear, with the midnerve prominent beneath and 2 of the lateral nerves prominent above, septate-nodulose by numerous cross-nervules, scabrous on the margins towards base and apex and on the midnerve near the top, gradually narrowed towards the conduplicate base but not petioled, abruptly contracted at the apex into a triquetrous, aculeate-scabrous, 1-8 cm long tail, 65-120 by 2½-4½ cm. Inflorescence capitate, consisting of c. 6 very densely packed spikelets, simulating a single spikelet, broadly ellipsoid to globose, 9-11 mm long and wide. Flowers 6 mm long;
Asia-Tropical: Borneo present (Sarawak present), Belaga present, Dulit trail present, Kapit Distr present
Malesia: Borneo (Sarawak: Dulit trail; Belaga, Kapit Distr.).