[Wikipedia] Asia native, Description: Rauvolfia sumatrana is a tree in the family Apocynaceae. Description Rauvolfia sumatrana grows up to 27 metres (90 ft) tall, with a trunk diameter of up to 43 centimetres (17 in). The bark is grey, yellowish grey, greenish yellow or brown. Inflorescences bear up to 35 or more flowers. The flowers feature a white corolla. The fruits are bluish black or purplish black when ripe, round, up to 2.1 cm (1 in) in diameter.[3] Distribution and habitat Rauvolfia sumatrana is native to China, India, Burma, Thailand, Vietnam and Malesia.[1] It is found in a variety of habitats, mostly lowland.[3] (link added by Mary Ann Machi)