Felwort Plant Information

Felwort grows in the following 12 states:

Alaska, Arizona, Colorado, Idaho, Montana, New Mexico, Utah, Wyoming, Oregon, California, Nevada, Washington

Plants of genus Frasera are sometimes considered part of this genus, sometimes as a separate genus, and sometimes as synonymous.Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts. Some species bear very showy purple and blue flowers.

Swertia contains the chemicals sawertiamarine, mangeferin and amarogenitine 1,5,8-trihydroxy-3-methoxyxanthone, 1-hydroxy-2,3,5,7-tetramethoxyxanthone, 1-hydroxy-3,5,8-trimethoxyxanthone, 1-hydroxyl-2,3,4,6-tetramethoxyxanthone, 1-hydroxy-2,3,4,7-tetramethoxyxanthone, 1,8-dihydroxy-3,5-dimethoxyxanthone, 1,7-dihydroxy-3,8-dimethoxyxanthone, 1,3,5,8-tetrahydroxyxanthone, balanophonin, oleanolic acid, maslinic acid, and sumaresinolic acid.Swerilactones from Swertia mileensis showed anti-hepatitis B virus activity in vitro.
Swertia is used in Indian Ayurvedic Herbal System to cure Fever as in Laghu sudarshana churna, Maha sudarshan Churna and in Tibetan folk medicine.[full citation needed]
Media related to Swertia at Wikimedia Commons

More inforamtion about Felwort.