Nouns

(n)agueweed, ague weed, five-flowered gentian, stiff gentian, Gentianella quinquefolia, Gentiana quinquefoliagentian of eastern North America having clusters of bristly blue flowers
(n)boneset, agueweed, thoroughwort, Eupatorium perfoliatumperennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine