A perennial herb, with an erect stout, cylindrical hairy stem, 2 to 4 feet high, branched at the top. The leaves are large, opposite, united at the base, lance-shaped, 4 to 8 inches long (the lower ones being the largest), tapering to a sharp point, the edges finely toothed, the veins prominent, the blades rough above, downy and resinous and dotted beneath. The flower-heads are terminal and numerous, large and slightly convex, with from ten to twenty white florets, having a bristly pappus, the hairs of which are arranged in a single row.

Stimulant, febrifuge and laxative; antispasmodic, cholagogue, diaphoretic, emetic, febrifuge, laxative, purgative, stimulant, vasodilator (leaves and flowering stems)

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Eupatorium perfoliatum
Eupatorium perfoliatum
Plants for a Future
The American Materia Medica, Therapeutics and Pharmacognosy
Herb Information

Astragalin, eufoliatin, eufoliatorin, eupatorin, euperfolitin, gallic acid, helenalin, hyperoside, kaempferol, quercetin, rutin, tannic acid (plant)

For influenza, muscle pain, fever, to clear the body of any build-up of waste and ease constipation, to treat skin disease linked to digestive and hepatic disorders and for night sweats, acute bronchitis, catarrh and skin diseases.

Because of the cytotoxic constituents in this and related species, its use in pregnancy and lactation is to be avoided.