Japanese apricot vs Prunus mume

Japanese apricot and Prunus mume both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese apricot	Yes	No	No	No
Prunus mume	Yes	No	No	No

As nouns, Japanese apricot and Prunus mume are synonyms defined as:

Japanese apricot and Prunus mume: Japanese ornamental tree with fragrant white or pink blossoms and small yellow fruits

Other synonyms of Japanese apricot include mei.

Japanese apricot (noun)	Prunus mume (noun)
Japanese ornamental tree with fragrant white or pink blossoms and small yellow fruits	Japanese ornamental tree with fragrant white or pink blossoms and small yellow fruits