prickly comfrey, rough comfrey (Symphytum asperum )

Symphytum asperum is a species in the Symphytum genus. It is commonly known as prickly comfrey, rough comfrey This name is accepted name for the species in the family Boraginaceae subfamily Boraginoideae, . . This species is found in Iran, North Caucasus, Transcaucasus, Turkey.