(Heterostemma tanjorensis)
Heterostemma tanjorensis is a species described by Robert Wight and Arn. Heterostemma tanjorensis is part of the Heterostemma genus 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.