agueweed
n 1: gentian of eastern North America having clusters of bristly
blue flowers [syn: ague weed, five-flowered gentian,
stiff gentian, Gentianella quinquefolia, Gentiana
quinquefolia]
2: perennial herb of southeastern United States having
white-rayed flower heads; formerly used as in folk
medicine [syn: boneset, thoroughwort, Eupatorium
perfoliatum]