The dried and crushed root is gently boiled in water for about fifteen minutes, then allowed to cool. The resulting liquid was traditionally used as a wash or compress on the affected area, never for routine internal use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Fresh or rehydrated root was crushed to obtain a paste, applied directly to the skin and held in place with a clean cloth. This simple preparation is part of a tradition of localized external use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
This plant grows naturally in saline and arid soils of the southwestern United States and northern Mexico; it remains rare in European herbalism and is mostly found through specialists in North American plants or in botanical gardens.
The root is traditionally harvested in autumn or at the end of the dry season, when the plant has concentrated its reserves.