bergamot orange vs Citrus bergamia

bergamot orange and Citrus bergamia both are nouns.

Word	Noun	Adjective	Verb	Adverb
bergamot orange	Yes	No	No	No
Citrus bergamia	Yes	No	No	No

As nouns, bergamot orange and Citrus bergamia are synonyms defined as:

bergamot orange and Citrus bergamia: small tree with pear-shaped fruit whose oil is used in perfumery; Italy

Other synonyms of bergamot orange include bergamot.

bergamot orange (noun)	Citrus bergamia (noun)
small tree with pear-shaped fruit whose oil is used in perfumery; Italy	small tree with pear-shaped fruit whose oil is used in perfumery; Italy