Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Gentianales (113)
Family: Apocynaceae (37)(family description)
Genus: Melodinus (1)
Epithet: cochinchinensis (Lour.) Merr. (4)
cochinchinensis => from Cochinchina (old name for various southern regions of Vietnam)