lemon mint vs Mentha citrata

lemon mint and Mentha citrata both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon mint	Yes	No	No	No
Mentha citrata	Yes	No	No	No

As nouns, lemon mint and Mentha citrata are synonyms defined as:

lemon mint and Mentha citrata: mint with leaves having perfume like that of the bergamot orange

Other synonyms of lemon mint include bergamot mint, eau de cologne mint.

lemon mint (noun)	Mentha citrata (noun)
mint with leaves having perfume like that of the bergamot orange	mint with leaves having perfume like that of the bergamot orange
an annual horsemint of central and western United States and northern Mexico