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  • Eupatorium perfoliatum
  • Origin: USA


Common Name

Standardized: boneset
Other: thoroughwort

Botanical Name

Eupatorium perfoliatum L.
Plant Family: Asteraceae



Native to Eastern and Central North America, boneset is a perennial daisy, growing 2 to 4 feet (60 to 120 cm) tall with a long, hairy stem topped with white flower heads of 10 to 20 blossoms from June to September.


Boneset contains sesquiterpene lactones, such as euperfolin, euperfolitin, and eufoliatin, as well as polysaccharides and flavonoids.

Parts Used

The entire plant is medicinal, including leaf, stem and flower, but typically only the above-ground parts are collected. The herb is dried and chopped.

Typical Preparations

Whole herb in capsules, teas, and tinctures. The tea is very bitter.


English folklore notes that the leaves can be burned to get rid of wasps and flies.


Specific: No known precautions.
General: We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

For educational purposes only This information has not been evaluated by the Food and Drug Administration.
This information is not intended to diagnose, treat, cure, or prevent any disease.