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Herbs & Cultures
Image of Threeleaf goldthread

North America · Herb · № 948

Coptis trifolia

Origin
Cool, damp coniferous forests and bogs of North America and northeastern Asia
1 traditionImage: Fungus Guy · Public domain

Herb · North America

Threeleaf goldthread

Coptis trifolia

A small evergreen herb with golden-yellow thread-like roots. These contain berberine, a bitter compound that inhibits bacteria in laboratory tests; related to Chinese goldthread (huang lian).

Safety notes

Berberine is not for pregnancy or breastfeeding, nor for newborns with jaundice. May interact with medicines. Traditional use is no proof of effect; consult a doctor or pharmacist if you are pregnant or breastfeeding, take medication or have a medical condition.

Cautions by tradition (1)
  • Haudenosaunee (Iroquois) medicine: Not in pregnancy or while breastfeeding, and not for newborns with jaundice.

Preparation

Chew the roots or steep them in warm water as a mouth rinse.

Use in traditions

In English also canker-root. According to the notes in Herrick, the Haudenosaunee remedy for a sore mouth in children: the roots are chewed or used as a rinse. Also for jaundice and sore eyes.

Applications

Use by tradition

How different herbal traditions describe this herb. Amounts are traditional guidelines checked for obvious errors; they are not medical advice. For poisonous plants no dosage is given on purpose.

Haudenosaunee (Iroquois) medicine

Attributed effects

For a sore mouth and canker sores in children; also for jaundice and sore eyes.

Preparation and amount

Chew a few roots, or steep them in a spoonful of warm water and dab the mouth with it.

Caution: Not in pregnancy or while breastfeeding, and not for newborns with jaundice.