Whorlywort

1 definition found

From WordNet (r) 2.0 [wn]:

  whorlywort
       n : a tall perennial herb having spikes of small white or purple
           flowers; common in eastern North America [syn: {Culver's
           root}, {Culvers root}, {Culver's physic}, {Culvers physic},
            {Veronicastrum virginicum}]