Herbarium of the Ancients — Detailed RecordFR · EN
Richardson's Hymenoxys
Hymenoxys richardsonii
Read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment or use in children, seek advice before use.
Enhanced precautions for this plant: Plant belonging to a genus known for its toxicity, particularly related to compounds that may affect the liver and kidneys; any internal use must be supervised by a qualified professional. Use completely inadvisable in pregnant or breastfeeding women, as well as in children. Never self-prescribe this plant: the margin between traditional dose and toxic dose is poorly documented and likely narrow. In case of doubt about plant identification or its use, abstain and consult an herbalist or physician.
Decoction — Root
Traditional root decoction
The dried root was traditionally simmered gently in water according to reported but poorly standardized methods. Given the uncertainties about toxicity and dosage, this preparation should only be considered with the approval and supervision of a healthcare professional or experienced herbalist. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Where to find it
Obtaining the plant
This wild plant, rarely cultivated, is found mainly in the arid and semi-desert areas of the southwestern United States; it is rarely offered in herbalist shops outside very specialized circles.
Harvest season
When to harvest it
The root is traditionally harvested in late summer or autumn, when the aerial part of the plant begins to dry out.
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