sentences:  "Eupatorium" and "Eutrochium" are both placed in the subtribe Eupatoriinae, but South American plants which have sometimes been placed in that subtribe, such as "Stomatanthes", seem to belong elsewhere in the tribe Eupatorieae.Joe Pye (Jopi in the Native tongue), an Indian healer from New England, used "E. purpureum" to treat a variety of ailments, which led to the name "Joe-Pye weed" for these plants.Folklore says that Joe Pye used this plant to cure fevers.