Allegheny plum vs wild plum

Allegheny plum and wild plum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Allegheny plum	Yes	No	No	No
wild plum	Yes	No	No	No

As nouns, wild plum is a hypernym of Allegheny plum; that is, wild plum is a word with a broader meaning than Allegheny plum:

Allegheny plum: wild plum of northeastern United States having dark purple fruits with yellow flesh
wild plum: an uncultivated plum tree or shrub

Other hypernyms of Allegheny plum include wild plum tree.

Allegheny plum (noun)	wild plum (noun)
wild plum of northeastern United States having dark purple fruits with yellow flesh	fruit of the wild plum of southern United States
	an uncultivated plum tree or shrub