monogeneric
Adjective
Meaning
monogeneric (not comparable)
(taxonomy) Containing only one known genus.
Examples
He also considered closely related families and their relationship to Dioscoreales, such as the monogeneric Taccaceae, then in its own order, Taccales.
Erysimum has recently been ascribed to a monogeneric cruciferous tribe, Erysimeae.
Sclerolinum is a monogeneric clade living on organic-rich remains.