ageratina altissima

1 definition found

ageratina altissima - WordNet (r) 2.1 (2005) :

  Ageratina altissima
      n 1: American herb having flat-topped clusters of small white
           flower heads; reputedly a cause of trembles and milk
           sickness; sometimes placed in genus Eupatorium [syn: white snakeroot
           , white sanicle, Ageratina altissima,
           Eupatorium rugosum]