Source : Webster's Revised Unabridged Dictionary (1913)

Creosote bush \Cre"o*sote bush\
   A shrub ({Covillea mexicana}) found in desert regions from
   Colorado to California and southward through Mexico. It has
   yellow flowers and very resinous foliage with a strong odor
   of creosote.

Source : WordNet®

creosote bush
     n : desert shrub of southwestern United States and New Mexico
         having persistent resinous aromatic foliage and small
         yellow flowers [syn: {coville}, {hediondilla}, {Larrea
         tridentata}]