(Heterostemma vasudevanii)
Heterostemma vasudevanii is an oleand vegetable species described by K. Swarupanandan and JK Mangaly. Heterostemma vasudevanii is part of the genus Heterostemma and the Apocynaceae family. Heterostemma is a genus of plants in the Apocynaceae, first described in 1834. It is native to India, China, Southeast Asia, Australia, and certain islands in the Pacific.