Perennial herb of southeastern United States having white-rayed flower heads, formerly used as in folk medicine
English: boneset, agueweed, thoroughwort, Eupatorium perfoliatum
agueweedEnglish
agueweed, Eupatorium perfoliatum, Gentiana quinquefolia, Gentianella quinquefolia, ague weed
Noun
Gentian of eastern North America having clusters of bristly blue flowers
English: agueweed, ague weed, five-flowered gentian, stiff gentian, Gentianella quinquefolia, Gentiana quinquefolia