The dried root, cut into pieces, is gently boiled in water for approximately fifteen minutes, then filtered. This preparation, according to tradition, is taken in small quantities and should be discussed with a healthcare professional before any use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The thoroughly dried root is ground into fine powder using a mortar, following traditional artisanal methods. A healthcare professional or qualified herbalist should be consulted before any use, due to the absence of well-established traditional dosage. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
This plant from the arid plains of North America is not cultivated in Europe and is difficult to find outside its native range; it is occasionally offered in dried root form by herbalists specializing in Native American plants.
The root is traditionally harvested in autumn, when the plant has completed its flowering cycle and its reserves concentrate underground.