Calycanthus, a shrub with purple, fragrant flowers, grows in the damp undergrowth of eastern North America, where Native American tribes had long known it. Its bark and roots, rich in alkaloids close to strychnine, made it a plant for cautious use, reserved for the experienced hands of traditional healers. Today it is grown mainly for the pleasure of its scent, its internal use having been largely abandoned.
The bark and root were sometimes used in very small amounts by certain Native American herbalists as a bitter tonic, reputed to stimulate the appetite and digestion.
Preparations made from bark or flowers could be applied as a compress to the skin, in a traditional external use reported locally.
The highly fragrant flowers were traditionally dried and placed in dwellings or among linens for their scent, a use more about well-being than healing.
Some sources report a very limited traditional use with children, but the potential toxicity of the alkaloids present calls for extreme caution and rules out any unsupervised use.
The plant contains calycanthine-type alkaloids, close to strychnine, which can cause convulsions at excessive doses: any internal use must be supervised by a qualified professional. Never use with children or pregnant or breastfeeding women without specialized medical advice, given the documented toxic risk. Avoid any self-medication with fresh or dried root or bark without precise identification and dosing. Do not confuse it with other ornamental shrubs; when in doubt about identification, refrain from any harvesting intended for internal use.
Partner herbalists — available with the detailed notebook.
PFAF, Wikipedia