Prunus cerasus vs sour cherry

Prunus cerasus and sour cherry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prunus cerasus	Yes	No	No	No
sour cherry	Yes	No	No	No

As nouns, Prunus cerasus and sour cherry are synonyms defined as:

Prunus cerasus and sour cherry: rather small Eurasian tree producing red to black acid edible fruit

Other synonyms of Prunus cerasus include sour cherry tree.

Prunus cerasus (noun)	sour cherry (noun)
rather small Eurasian tree producing red to black acid edible fruit	acid cherries used for pies and preserves
	rather small Eurasian tree producing red to black acid edible fruit
	Australian tree with sour red fruit