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Related to specific epithet: cladistics
in bacteriology, the second part of the name of a species; it is not, by itself, a name; the name of a bacterial species consists of two parts, the generic name and the specific epithet.
The uncapitalized Latin adjective or noun that follows a capitalized genus name in binomial nomenclature and serves to distinguish a species from others in the same genus, as saccharum in Acer saccharum (sugar maple). Also called trivial name.