Punica granatum vs pomegranate

Punica granatum and pomegranate both are nouns.

Word	Noun	Adjective	Verb	Adverb
Punica granatum	Yes	No	No	No
pomegranate	Yes	No	No	No

As nouns, Punica granatum and pomegranate are synonyms defined as:

Punica granatum and pomegranate: shrub or small tree native to southwestern Asia having large red many-seeded fruit

Other synonyms of Punica granatum include pomegranate tree.

Punica granatum (noun)	pomegranate (noun)
shrub or small tree native to southwestern Asia having large red many-seeded fruit	large globular fruit having many seeds with juicy red pulp in a tough brownish-red rind
	shrub or small tree native to southwestern Asia having large red many-seeded fruit