A moderate to large sized, scandent, spinose shrub with lenticellate sterns. Leaves rhomboid-elliptic, 5-7.5 cm long, 3-4 cm broad, entire or slightly lobed, glabrous, glaucous, glandular beneath; petiole 2-2.5 cm long. Cymes terminal, paniculately arranged in the axils of foliaceous, petaloid bracts; bracts broadly ovate, 2-2.5 cm long, nearly as broad, mucronate, membranous. Flowers yellow. Corolla-tube curiously inflated upwards, glabrous outside. Drupe obovoid, c. 1.2 cm long.