Bellevaliatrifoliata is the name of a species, part of the genus Bellevalia.
This name is an alternative combination by Kunth of an original description of species by Ten. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
Jacinthe à trois feuilles, Bellevalia à trois feuilles