 At its largest circumscription, "Rhus", with over 250 species, has been the largest genus in the family Anacardiaceae.Other authors used subgenera and placed some species in separate genera, hence the use of "Rhus" "sensu lato" and "Rhus" "sensu stricto" ("s.s.").One classification uses two subgenera, "Rhus" (about 10 spp.)