Rauvolfia sumatrana Jack

Trees to 20 m tall. Leaves in whorls of 3-5; petiole 2-3 cm; leaf blade oblong or narrowly obovate, 12-20 X 4-8 cm, leathery, glabrous, apex apiculate or nearly so; lateral veins 30-45 pairs, subparallel, nearly at a right angle to midvein. Inflorescences dense, 8-12 X 12-15 cm; peduncle 5-8 cm. Corolla white, tube cylindric, 4-6 mm; lobes broadly ovate, 1.2-1.7 mm; throat villous. Disc less than 0.5 mm. Ovaries distinct, ca. 1 mm. Drupes subglobose, 1.5-1.8 X 1.8-2.4 cm. Seeds 1 or 2.

S Guangdong [Indonesia, Malaysia, Philippines, Thailand]