wild cherry tree vs wild cherry

wild cherry tree and wild cherry both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild cherry tree	Yes	No	No	No
wild cherry	Yes	No	No	No

As nouns, wild cherry tree and wild cherry are synonyms defined as:

wild cherry tree (noun)	wild cherry (noun)
an uncultivated cherry tree	an uncultivated cherry tree
	the fruit of the wild cherry tree