![Symphytum officinale (Black wort, Boneset, Bruise wort, Comfrey, Common Comfrey, Consound, Cultivated Comfrey, Knitbone, Quaker Comfrey, Slippery-Root, True Comfrey) | North Carolina Extension Gardener Plant Toolbox Symphytum officinale (Black wort, Boneset, Bruise wort, Comfrey, Common Comfrey, Consound, Cultivated Comfrey, Knitbone, Quaker Comfrey, Slippery-Root, True Comfrey) | North Carolina Extension Gardener Plant Toolbox](https://s3.amazonaws.com/eit-planttoolbox-prod/media/images/D93236A6-1A28-442E-9_EhE4Y4teuxTO.jpg)
Symphytum officinale (Black wort, Boneset, Bruise wort, Comfrey, Common Comfrey, Consound, Cultivated Comfrey, Knitbone, Quaker Comfrey, Slippery-Root, True Comfrey) | North Carolina Extension Gardener Plant Toolbox
![Comfrey (Symphytum officinale L.): flowering stem with separate leaf and rootstock. Coloured etching by M. Bouchard, 1774. | Wellcome Collection Comfrey (Symphytum officinale L.): flowering stem with separate leaf and rootstock. Coloured etching by M. Bouchard, 1774. | Wellcome Collection](https://iiif.wellcomecollection.org/image/V0042742ER/full/full/0/default.jpg)
Comfrey (Symphytum officinale L.): flowering stem with separate leaf and rootstock. Coloured etching by M. Bouchard, 1774. | Wellcome Collection
![Common Comfrey (Symphytum officinale), roots and flowering stem, studio picture against a white background Stock Photo - Alamy Common Comfrey (Symphytum officinale), roots and flowering stem, studio picture against a white background Stock Photo - Alamy](https://c8.alamy.com/comp/CE92E7/common-comfrey-symphytum-officinale-roots-and-flowering-stem-studio-CE92E7.jpg)