diagnosis
in botany and zoology an optional part of the publication that formally establishes a new scientific name intended for a taxon
en-US/ˌdaɪəɡˈnoʊsɪs/
en-GB/ˌdaɪəɡˈnəʊsɪs/
in botany and zoology an optional part of the publication that formally establishes a new scientific name intended for a taxon