'agueweed' definitions:

Gentian of eastern North America having clusters of bristly blue flowers [syn: agueweed, ague weed, five-flowered gentian, stiff gentian, Gentianella quinquefolia, Gentiana quinquefolia]

Perennial herb of southeastern United States having white- rayed flower heads; formerly used as in folk medicine [syn: boneset, agueweed, thoroughwort, Eupatorium perfoliatum]