Gently boil the cut root in water for about fifteen minutes, then let steep off the heat before straining. Consume in small quantities or use externally. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Soak a clean cloth in cooled decoction and apply to the affected area. Repeat several times a day as needed. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The dried root was traditionally macerated in alcohol for several weeks to obtain a concentrated tincture, used in small quantities diluted in water. Preparation and dosage must be established with a qualified professional. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
It is found in moist woodlands and clearings of North America, and some herbalism gardens cultivate it for its root; it can also be found dried at specialized herbal shops.
The root is traditionally harvested in autumn, once the plant has finished flowering, when its active constituents are most concentrated.