Probably a liana. Twigs glabrous; branchlets yellowish, scabrous. Leaves lanceolate, 6.5-9 by 2-2.5 cm, coriaceous, glabrous, base acute, apex caudate-acuminate, acute; 3-plinerved above the base, nerves usually not far from the margin, veins transverse, minute, and dense; petiole 4-6 mm. Leaves in a specimen from Borneo (Sarawak For. Dept. 13460) 5-plinerved, the outer nerves diverging at, the inner distinctly above the base. Corolla of the same specimen woolly inside all over the inner surface of the lobes; stamens with short filaments. Inflorescences axillary, lax, c. 2.5 cm long, narrow and with few flowers, thinly tomentose. Calyx 1.5 mm, outside sparsely pubescent, inside glabrous. Corolla 3 mm, halfway up connate, outside very sparsely pubescent, inside with some short woolly hairs near the apex. Stamens inserted in the mouth, filaments short, glabrous, anthers broad-ovate, 0.5 mm long, apiculate, slightly barbate. Pistil 2 mm, sparsely pubescent. Infructescences with strongly thickened branches, torus 1 cm thick. Fruits probably large and many-seeded.