(Heterostemma piperifolium)
Heterostemma piperifolium is a species described by George King and Gamble. Heterostemma piperifolium was included in 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.