Kingdom: Plantae (2593)
Phylum: Tracheophyta (2490)
Class: Magnoliopsida (2105)
Order: Gentianales (110)
Family: Apocynaceae (36)(family description)
Genus: Tabernaemontana (3)
Epithet: ventricosa Hochst. ex A.DC. (2)
ventricosa => swelled or inflated, as the corolla of some labiates