Woody climber, at least 25 m long; Leaves: Inflorescence: Flowers sessile or subsessile, pentamerous, male or bisexual. Petals white, elliptic, acute, glabrous, 2.5-3 mm. Stamens c. 6 mm, whitish green or white, turning yellow. Ovary glabrous, c. 1.5 mm, stipe 0.2-0.5 mm. Seeds brown, irregularly compressed by the segments of the pod, c. 6-6.5 by 5 by 1.5-1.8 cm.
Asia-Tropical: Malaya (Peninsular Malaysia present); Sumatera (Sumatera present), Peninsular present
Thailand (Peninsular); in Malesia: Malay Peninsula, Sumatra. — .
According to Burkill (l.c.), the species is, like E. rheedii, used mainly for its saponine content of bark and seed.