genus Erythroxylon vs Erythroxylon

genus Erythroxylon and Erythroxylon both are nouns.

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

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

genus Erythroxylon and Erythroxylon: a large genus of South American shrubs and small trees of the family Erythroxylaceae

Other synonyms of genus Erythroxylon include Erythroxylum, genus Erythroxylum.

genus Erythroxylon (noun)	Erythroxylon (noun)
a large genus of South American shrubs and small trees of the family Erythroxylaceae	a large genus of South American shrubs and small trees of the family Erythroxylaceae