genus Genipa vs Genipa Americana

genus Genipa and Genipa Americana both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Genipa	Yes	No	No	No
Genipa Americana	Yes	No	No	No

genus Genipa (noun)	Genipa Americana (noun)
tropical American evergreen trees or shrubs bearing yellow flowers and succulent edible fruit with a thick rind	tree of the West Indies and northern South America bearing succulent edible orange-sized fruit