The dried root, cut into small pieces, is gently boiled in water for about fifteen minutes, then strained. This traditional preparation should be made with care, as its ideal concentration is not clearly established. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.
A concentrated root decoction is used, once cooled, as compresses applied locally to the affected area. This traditional external use also requires professional advice before application, particularly on damaged skin. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.
Calliandra humilis grows wild in arid and semi-arid regions of North America; its root, rarely commercialized, is mainly found through herbalist shops specializing in plants from the southwestern United States.
The root is traditionally harvested in autumn, when the plant enters dormancy and concentrates its reserves.