Source : Webster's Revised Unabridged Dictionary (1913)

Elecampane \El`e*cam*pane"\, n. [F. ['e]nulecampane, NL. inula
   campana; L. inula elecampane + LL. campana a bell; cf. G.
   glockenwurz, i. e., ``bellwort.'']
   1. (Bot.) A large, coarse herb ({Inula Helenium}), with
      composite yellow flowers. The root, which has a pungent
      taste, is used as a tonic, and was formerly of much repute
      as a stomachic.

   2. A sweetmeat made from the root of the plant.

Source : WordNet®

Inula helenium
     n : tall coarse Eurasian herb having daisylike yellow flowers
         with narrow petals whose rhizomatous roots are used
         medicinally [syn: {elecampane}]