Between Vinca and Dieffenbachia, which genus has range that extends further north?
Vinca Vinca ( ; Latin: "vincire" "to bind, fetter") is a genus of flowering plants in the family Apocynaceae, native to Europe, northwest Africa and southwest Asia. The English name periwinkle is shared with the related genus "Catharanthus" (and also with the common seashore mollusc, "Littorina littorea").
Vinagarra Vinagarra is a genus of ray-finned fish in the family Cyprinidae endemic to Viet Nam.