genus Prunus vs Prunus

genus Prunus and Prunus both are nouns.

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

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

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

genus Prunus (noun)	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