Herbarium of the Ancients — Detailed NotebookFR · EN
Eupatorium perfoliatum
Eupatorium perfoliatum
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 professional advice before use.
Enhanced precautions for this plant: Plant of the Asteraceae family containing pyrrolizidine alkaloids potentially toxic to the liver in case of prolonged use or high doses: professional advice is essential before any use. Not recommended during pregnancy and breastfeeding, and in young children. Avoid in case of history or vulnerability of liver function; do not combine with other hepatotoxic substances. Do not exceed short-term and occasional use; prolonged use is not recommended without supervision by a healthcare professional.
Infusion — Dried flowering aerial parts
Traditional infusion for feverish states
The dried flowering tops were infused for a few minutes in simmering water then drunk hot, often in small repeated sips during fever episodes. The preparation, very bitter, was generally consumed for short periods only. Dosage to be validated with a healthcare professional or recognized pharmacopoeia before use.
Tincture — Flowering aerial parts
Alcoholic tincture
The fresh or dried plant was macerated in alcohol for several weeks to obtain a concentrated tincture, traditionally used in diluted drops. This preparation method concentrates the active compounds and requires professional advice before use. Dosage to be validated with a healthcare professional or recognized pharmacopoeia before use.
Where to find it
Obtaining the plant
It is found wild in wetlands, marshes, and riverbanks of eastern North America; in Europe, it is mostly found dried at certain specialized herbalists or in the form of mother tincture.
Harvest season
When to harvest it
The flowering tops are traditionally harvested in late summer, when the white flowers are fully open, in dry weather.
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