Herbarium of the Ancients — Detailed Record

Iris uniflora

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: Fresh rhizome may be irritating and is traditionally used only after drying and appropriate preparation: never apply fresh material directly on or near the eyes. Ophthalmic use should be reserved for highly diluted preparations, carefully filtered, and never on an eye that is already injured, infected, or painful. Plant with limited scientific documentation: seek advice from a healthcare professional before any use, particularly ophthalmic. Not recommended during pregnancy or breastfeeding, nor in young children, due to lack of safety data.

Diluted Decoction — Dried Rhizome

Decoction for eye bath

The dried rhizome is gently boiled in pure water, then the preparation is thoroughly filtered through fine cloth until a perfectly clear liquid is obtained and cooled before any contact with skin or eyes. This careful filtration step is traditionally considered essential before any ophthalmic use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Compress — Dried Rhizome

Soothing compress for eye area

A clean cloth is soaked in the cooled and filtered decoction, then gently applied to closed eyelids for a few minutes. This practice was reserved for external use, away from the eye itself. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to Find It

Sourcing the plant

Iris uniflora is found in the wild on plateaus and forest edges of Northeast Asia; it is rarely cultivated outside its native range and not widely available in Western herbalism trade.

Harvest Season

When to harvest

The rhizome is traditionally harvested in late autumn, after spring flowering, once the plant's reserves have returned underground.

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