Herbarium of the Ancients — Detailed Monograph

Calamus erectus

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: Traditional use poorly documented scientifically: consult a healthcare professional before any internal use. Avoid during pregnancy or breastfeeding, due to insufficient safety data. Do not use in children without medical advice. Reserved for cautious external use in case of persistent skin irritation; discontinue if a reaction occurs.

Decoction — Root

Root decoction

Gently boil a piece of dried and cut root in water for about fifteen minutes, then let it steep off the heat before straining. This traditional preparation should be used with moderation and under professional advice. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Poultice — Stem (pulp or sap)

External application of the pulp

Extract the fresh pulp from the stem and apply it directly to the affected area, in a thin layer, for a limited time. Then rinse with clear water and monitor the skin's reaction. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Obtaining the plant

Calamus erectus is found in the wild in humid forests and tropical undergrowth of South and Southeast Asia; it is rarely sold in Western herbal shops and is mainly found through practitioners or specialized local markets.

Harvest season

When to harvest it

Stems and roots are traditionally harvested during the dry season, when the plant has reached maturity.

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