genus Plumeria vs Plumeria

genus Plumeria and Plumeria both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Plumeria	Yes	No	No	No
Plumeria	Yes	No	No	No

As nouns, genus Plumeria and Plumeria are synonyms defined as:

genus Plumeria and Plumeria: deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers

Other synonyms of genus Plumeria include Plumiera.

genus Plumeria (noun)	Plumeria (noun)
deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers	deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers