Ambrosia artemisi[ae]ge

from The Collaborative International Dictionary of English v.0.48

Hogweed \Hog"weed`\, n. (Bot.)
      (a) A common weed ({Ambrosia artemisi[ae]ge}). See
          {Ambrosia}, 3.
      (b) In England, the {Heracleum Sphondylium}.
          [1913 Webster]