Herbarium of the Ancients — Detailed NotebookFR · EN

Iris pseudacorus

Iris pseudacorus
Please 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: The entire plant, and particularly the fresh rhizome, contains irritating substances that may cause nausea, vomiting, and severe digestive irritation if ingested; internal use should be reserved for qualified professionals only. Prolonged contact with the sap or fresh rhizome may cause skin irritation; wearing gloves is recommended during harvesting. Strictly contraindicated in pregnant or breastfeeding women, as well as in young children. Never confuse with other wetland plants; in case of doubt regarding identification, refrain from any harvesting or use.
Decoction — Dried Rhizome

Astringent decoction for external use

The dried and cut rhizome is gently boiled in water for approximately fifteen minutes, then filtered and allowed to cool. This preparation, reserved for external use as a compress, must be prepared under the guidance of a healthcare professional or experienced herbalist. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Poultice — Fresh or dried rhizome, reduced to paste

Traditional skin poultice

The rhizome is finely grated or crushed then mixed with a little warm water to form a paste, applied locally to healthy, unbroken skin. Professional advice is recommended before any application, due to the risk of skin irritation. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Artisanal dye — Rhizome and flowers

Botanical dye bath

The cut rhizomes or flowers are macerated then boiled in water to extract the pigments, according to traditional methods of natural dyeing of fibers and fabrics. This preparation is intended exclusively for textile or artisanal use. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

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