Comfrey Leaf, (Symphytum officinale)
Latin Name: Symphytum officinale
Common Names: Comfrey Leaf
Comfrey Leaf, which is also known as Symphytum officinale, slippery root, knitbone, blackwort, bruisewort and healing herb, has many common uses.
Comfrey leaf has been used since Roman times, dating back thousands of years. This herb has been utilized in folk medicine throughout Europe and North America and has been widely cultivated. Much debate surrounds the safety of comfrey due to various parts and preparations containing potentially toxic alkaloids. It is important to understand that the part used, species, and time of harvest all come in to play when determining the safety of this herb. A large body of traditional use supports its safety and efficacy if used intelligently and cautiously.