governor's plum vs governor plum

governor's plum and governor plum both are nouns.

Word	Noun	Adjective	Verb	Adverb
governor's plum	Yes	No	No	No
governor plum	Yes	No	No	No

As nouns, governor's plum and governor plum are synonyms defined as:

governor's plum and governor plum: small shrubby tree of Madagascar cultivated in tropical regions as a hedge plant and for its deep red acid fruits resembling small plums

Other synonyms of governor's plum include batoko palm, Flacourtia indica, Madagascar plum, ramontchi.

governor's plum (noun)	governor plum (noun)
small shrubby tree of Madagascar cultivated in tropical regions as a hedge plant and for its deep red acid fruits resembling small plums	small shrubby tree of Madagascar cultivated in tropical regions as a hedge plant and for its deep red acid fruits resembling small plums