Blackwort, Bruisewort, Consound, Knitback, Knitbone

Use is restricted in some countries. Root shouldn't be taken internally. Oil from the leaves shouldn't be applied to open wounds.

Therapeutic uses: used externally for thousands of years to heal bruises, sprains, fractures, broken bones and skin problems such as acne, boils, scars and rashes. Taken internally for stomach ulcers and respiratory problems.