Rauvolfia sumatrana

Rauvolfia sumatrana grows as a tree 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. Fruits are bluish black or purplish black when ripe, round, up to 2.1 cm (1 in) in diameter. The plant is found in a variety of habitats, mostly lowland. R. sumatrana is native to Burma, Thailand, Malaysia, Indonesia and the Philippines.