The dried root, cut into pieces, is gently boiled in water for about fifteen minutes, then filtered. This preparation was traditionally reserved for occasional and supervised use, without standardized domestic dosage. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The dried root is reduced to fine powder, sometimes mixed with honey or another substance according to local traditions. The precise use and quantities were part of the herbalist's or traditional practitioner's knowledge, and should not be reproduced without qualified advice. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
As this plant is uncommon in Europe, it is mainly found through herbalists specializing in Asian plants or suppliers offering imported dried roots; it is not cultivated for domestic purposes in France.
The root is traditionally harvested in the dry season, when the plant has reached maturity, in its natural forest habitat.