Glabrous except for the inflorescence and ovary papillose hairy. Leaves opposite, ternate or quaternate; lamina lanceolate, 10-16 by 2.5-4.5 cm, cuneate at the base to a petiole 10-15 mm long, acuminate and acute at the apex, dull on both sides; venation pinnate with the midrib and the main laterals distinct. Inflorescencess at the nodes, pedunculate c. 12-rayed simple umbels; peduncle 4-5 mm long; pedicels c. 2.5 mm long. Corolla in mature bud 5-merous, 30-32 mm long, broadly acute at the apex, light pink. Anther c. 3 mm long, about equal to the free part of the filament.