Punica granatum vs pomegranate tree

Punica granatum and pomegranate tree both are nouns.

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

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

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

Other synonyms of Punica granatum include pomegranate.

Punica granatum (noun)	pomegranate tree (noun)
shrub or small tree native to southwestern Asia having large red many-seeded fruit	shrub or small tree native to southwestern Asia having large red many-seeded fruit