Branches spread out in whorls from the straight, slender stem. The pale greyish trunk exudes white sap when damaged. The leaves that are arranged in whorls of 3 or at most 4 are hairy when young, bright green when mature, shiny above, 10-50 cm long and 4-14 cm broad, lanceolate in shape with a progressively tapering base and a pointed apex. Petioles are short. The flowers are white, small, nearly 1 cm, and borne terminally in clusters on elongated stalks. The fruits are green, elongated pods about 30 cm long containing many hairy, light-weight seeds which are dispersed by the wind.
Prominent in disturbed forest edges, pioneer plant in cleared and abandoned land - up to 1200 m
Introduced to Sri Lanka from the Philippines for use in the plywood industry.