Prunus vs genus Prunus

Prunus and genus Prunus both are nouns.

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

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

Prunus and genus Prunus: a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions

Prunus (noun)	genus Prunus (noun)
a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions	a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions