Mentha citrata vs lemon mint

Mentha citrata and lemon mint both are nouns.

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

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

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

Other synonyms of Mentha citrata include bergamot mint, eau de cologne mint.

Mentha citrata (noun)	lemon mint (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