Eupatorium perfoliatum

from WordNet (r) 3.0 (2006)

Eupatorium perfoliatum
    n 1: perennial herb of southeastern United States having white-
         rayed flower heads; formerly used as in folk medicine [syn:
         {boneset}, {agueweed}, {thoroughwort}, {Eupatorium
         perfoliatum}]

from The Collaborative International Dictionary of English v.0.48

Boneset \Bone"set`\ (-s[e^]t`), n. (Bot.)
   A medicinal plant, the thoroughwort ({Eupatorium
   perfoliatum}). Its properties are diaphoretic and tonic.
   [1913 Webster]

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