Additional notes (click to expand)


In traditional medicine, the roots, seed and essential oil (obtained from the roots and the seed) of this plant are a bitter, camphoraceous warming herb that stimulates the circulation, kidneys and uterus. They are also antirheumatic, antispasmodic, diaphoretic, digestive, expectorant, febrifuge and stomachic. They are used internally in the treatment of eruptive fevers, bronchial infections, digestive complaints, toothache, painful menstruation and retained placenta.The root is harvested in the autumn and can be used fresh or dried [Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995]. They have also been used to treat TB. and headaches[Schofield. J. J. Discovering Wild Plants - Alaska, W. Canada and the Northwest.]. An infusion of the roots is used externally to treat body aches[ Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998 ].

Geographical distribution

  • Northern America, Mexico
  • Northern America, Northwestern U.S.A.
  • Northern America, South-Central U.S.A.
  • Northern America, Southwestern U.S.A.

Ligusticum porteri J.M.Coult. & Rose

Genus: Ligusticum
Species: porteri J.M.Coult. & Rose
Common names: Colorado coughroot; Mountain lovage; Osha
Distribution summary: W.&S.C. U.S.A.,Mexico
Garden status: Currently grown
Garden location: North America (A)
Reason for growing: Medicinal

Back to List