Scientific Name: Symphytum officinale. Common Names: Blackwort, bruisewort, common comfrey, knitbone, slippery root, boneset, yalluc, gum plant, ass ear. Distribution and Habitat: Comfrey is a plant indigenous to Europe and temperate parts of Asia. It has been suggested that its use can be dated back to 400 B.C. It has had various uses, not only as a medicinal herb but also as food and drink. Plant Description: Comfrey grows well in moist soils, producing a thick hairy stem, reaching between…