Herbarium of the Ancients — Detailed MonographFR · EN

Coprosma robusta

Coprosma robusta
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: Scientific data on the composition and toxicity of Coprosma robusta remain limited; caution is advised for any internal use. Avoid use in pregnant or breastfeeding women, as well as in young children, due to insufficient data. Do not exceed occasional consumption and seek the advice of a healthcare professional or experienced herbalist before any prolonged internal use. For topical application, test on a small area of skin first to rule out any adverse reaction.
Decoction — Leaves

Traditional karamū leaf decoction

According to Māori tradition, a few fresh or dried leaves were brought to a boil and then allowed to simmer briefly before being strained. This preparation was reserved for occasional use; it is recommended to consult a professional before any regular internal use. Dosage should be validated with a healthcare professional or a recognized pharmacopoeia before use.

Compress — Leaves

Leaf compress for the skin

Crushed or slightly warmed leaves could be applied directly to the skin using a cloth, as part of traditional external care. Professional advice is recommended in cases of sensitive or damaged skin. Dosage should be validated with a healthcare professional or a recognized pharmacopoeia before use.

Where to find it

Sourcing the plant

Coprosma robusta grows naturally in the forests, scrublands, and forest edges of New Zealand; it is rarely found in herbalism outside its region of origin and is mainly encountered through specialists in Oceanian plants or as an ornamental cultivar.

Harvest season

When to harvest it

The leaves are traditionally harvested year-round, as the foliage of this evergreen shrub remains available in all seasons.

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