Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Gentianales (113)
Family: Apocynaceae (37)(family description)
Genus: Tabernaemontana (3)
Epithet: ventricosa Hochst. ex A.DC. (2)
ventricosa => swelled or inflated, as the corolla of some labiates