sour cherry tree vs Prunus cerasus

sour cherry tree and Prunus cerasus both are nouns.

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

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

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

Other synonyms of sour cherry tree include sour cherry.

sour cherry tree (noun)	Prunus cerasus (noun)
rather small Eurasian tree producing red to black acid edible fruit	rather small Eurasian tree producing red to black acid edible fruit