black cherry vs Prunus serotina

black cherry and Prunus serotina both are nouns.

Word	Noun	Adjective	Verb	Adverb
black cherry	Yes	No	No	No
Prunus serotina	Yes	No	No	No

As nouns, black cherry and Prunus serotina are synonyms defined as:

black cherry and Prunus serotina: large North American wild cherry with round black sour edible fruit

Other synonyms of black cherry include black cherry tree, rum cherry.

black cherry (noun)	Prunus serotina (noun)
any of several fruits of cultivated cherry trees that have sweet flesh	large North American wild cherry with round black sour edible fruit
large North American wild cherry with round black sour edible fruit