A straggling or scandent liana to canopy height or a large woody shrub to 3 (–6) m high. Stem to 90 mm diameter, glabrescent when mature; branches and branchlets hoary-pubescent with appressed hairs. Leaves decussate, shortly petiolate; petiole slender, puberulous, 2–11 mm long; lamina ovate or cordate, 25–125 mm long, 15–80 mm wide, margin entire or sometimes with up to 5 teeth on each side of margin, obtuse or shortly acuminate, chartaceous, adaxial surface dull green, abaxial surface light green, puberulous when young, later glabrous. Inflorescence thyrsoid, 30–110 mm long, 40–150 mm wide; cymes pubescent. Flowers pedicellate, bracteate, numerous; pedicels hoary-pubescent, glandular, 1–3 mm long; bracts sessile, oblong or narrow ovate, hoary-pubescent, c. 1 mm long. Calyx campanulate or obovoid, 3–4.5 mm long, 2–3 mm diameter at lobes, non-accrescent, shallowly 5-toothed, sometimes almost truncate, hoary-pubescent and glandular outside, glabrous inside; lobes rounded or blunt, shortly apiculate, c. 0.5 mm long, 1 mm wide at base. Corolla cream-white, infundibuliform, 5-lobed, glandular and hoary-puberulous outside, villous in throat; tube 5–7 mm long, 1.5–3 mm diameter near base of lobes; lobes elliptic or oblong, obtuse, 1.5–3.5 mm long, 1.5–3 mm wide. Stamens 4 (5), didynamous, exserted; filaments white, inserted above middle of corolla-tube, filiform, glabrous acropetally, villous basipetally, 6–9 mm long; anthers elliptic or oblong, 0.5–1 mm long. Ovary ellipsoid to obovoid, glandular and hirsute to tomentose on upper half, somewhat 4-lobed, c. 1 mm long, 0.5–1 mm diameter; style exserted, filiform, glabrous, 9–13 mm long; stigma bifid. Fruit obloid to ellipsoid, rounded at apex, much exserted above fruiting calyx, greyish brown when mature and dry, 6–10 mm long, 3–3.5 mm diameter, the exserted portion glandular and hirsute to tomentose, the lower seedless portion resembling a wing on each mericarp, the lower portion of the dissepiment remaining attached to the receptacle (after the mericarps have fallen) as a cuneate, oblong carpophore which is 3-toothed at top and nearly as long as the calyx. Fruiting calyx chartaceous, 3–5 mm long, not expanding outwards.
Growing in mixed mesophyll vineforest, notophyll vineforest, monsoon rainforest, riparian zones and associated with outcrops, from sea level to 700 m altitude. Growing in soil derived from granitic material, sandy-clay loams, and stony soils.
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