sagebrush

from WordNet (r) 3.0 (2006)

sagebrush
    n 1: any of several North American composite subshrubs of the
         genera Artemis or Seriphidium [syn: {sagebrush}, {sage
         brush}]

from The Collaborative International Dictionary of English v.0.48

Sagebrush \Sage"brush`\, n.
   A low irregular shrub ({Artemisia tridentata}), of the order
   {Compositae}, covering vast tracts of the dry alkaline
   regions of the American plains; -- called also {sagebush},
   and {wild sage}.
   [1913 Webster]