Rosinweed

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rosinweed \Ros"in*weed`\, n. (Bot.)
     (a) The compass plant. See under {Compass}.
     (b) A name given in California to various composite plants
         which secrete resins or have a resinous smell.
         [1913 Webster]



From WordNet (r) 2.0 [wn]:

  rosinweed
       n 1: North American perennial having a resinous odor and yellow
            flowers [syn: {Silphium laciniatum}]
       2: any of various western American plants of the genus
          Grindelia having resinous leaves and stems formerly used
          medicinally; often poisonous to livestock [syn: {gumweed},
           {gum plant}, {tarweed}]