ending

noun

the termination of a scientific name. The letters at the end of genus-group name must be, or be treated as, a singular name in the nominative case which indicate the gender of the word. The letters at the end of an adjectival species-group name which must agree in gender form with the gender of the generic name with which the species-group name is combined. The letters at the end of a species-group name which, if the name is the genitive case of the name of one or more persons, or a place, or other entity associated with the taxon, form the genitive case and reflect the gender and number, e.g. -i if of a man, -ae if of a woman, -orum if of women, (or men and women together), -arum if of women. The letters at the end of the genitive case of a generic name which are deleted to form a stem, before adding a suffix to form a family-group name.