agueweed

Noun

• perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine

• gentian of eastern North America having clusters of bristly blue flowers

Related words

• Synonyms: 
  boneset , thoroughwort , Eupatorium perfoliatum , ague weed , five-flowered gentian , stiff gentian , Gentianella quinquefolia , Gentiana quinquefolia