Liana. Twigs subglabrous; branchlets grey, smooth. Leaves ovate to oblong-elliptic, 7-13 by 3-5.5 cm, coriaceous to chartaceous, glabrous, base cuneate to broadly rounded, apex gradually acute-acuminate; 5-7-plinerved above the base, nerves irregular, venation coarse; petiole 5-7 mm. Leaves sometimes with 3 main nerves. Inflorescences axillary and terminal, laxly branched, up to c. 5 cm long, few-flowered, subglabrous. Flowers seen in bud only. Calyx 1 mm, sepals elliptic to broadly ovate, blunt, glabrous on both surfaces. Corolla 3 mm, halfway up connate, outside glabrous, inside woolly about the mouth. Stamens inserted in or slightly below the mouth, anthers subsessile, elliptic, 0.75-1 mm, glabrous. Pistil 2.25 mm, with some patent long hairs on the style. Fruit unknown.