sneezewort

from WordNet (r) 3.0 (2006)

sneezewort
    n 1: Eurasian herb having loose heads of button-shaped white
         flowers and long grey-green leaves that cause sneezing when
         powdered [syn: {sneezeweed yarrow}, {sneezewort}, {Achillea
         ptarmica}]

from The Collaborative International Dictionary of English v.0.48

Sneezewort \Sneeze"wort`\, n. (Bot.)
   A European herbaceous plant ({Achillea Ptarmica}) allied to
   the yarrow, having a strong, pungent smell.
   [1913 Webster]

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