Shrub scandent, glabrous-glabrate. Leaves opposite, trifoliolate; leaflets ovate, acuminate, often folded along midrib, glabrous, shining, terminal up to 6 cm long and 3 cm broad, lateral usually smaller, subsessile or petiolulate. Flowers fragrant, in many-flowered terminal cymes or panicles; pedicels up to 10 mm long. Bracts linear, up to 3 mm long. Calyx glabrous, teeth 4-5, triangular, c. 1 mm long. Corolla white, tube 15-20 mm long, lobes 10-15 mm long, 5 mm broad, oblong-lanceolate, acute. Stigma undivided; style protruding.