bullock's heart tree vs bullock's heart

bullock's heart tree and bullock's heart both are nouns.

Word	Noun	Adjective	Verb	Adverb
bullock's heart tree	Yes	No	No	No
bullock's heart	Yes	No	No	No

As nouns, bullock's heart tree and bullock's heart are synonyms defined as:

bullock's heart tree and bullock's heart: small tropical American tree bearing a bristly heart-shaped acid tropical fruit

Other synonyms of bullock's heart tree include Annona reticulata, bullock heart.

bullock's heart tree (noun)	bullock's heart (noun)
small tropical American tree bearing a bristly heart-shaped acid tropical fruit	large heart-shaped tropical fruit with soft acid pulp
	small tropical American tree bearing a bristly heart-shaped acid tropical fruit