senecio hieracifolius

1 definition found

senecio hieracifolius - Collaborative International Dictionary of English v.0.48 :

  Hawkweed \Hawk"weed`\ (-w[=e]d`), n. (Bot.)
     (a) A plant of the genus Hieracium; -- so called from the
         ancient belief that birds of prey used its juice to
         strengthen their vision.
     (b) A plant of the genus Senecio (Senecio hieracifolius).
         --Loudon.
         [1913 Webster]