covillea mexicana

from The Collaborative International Dictionary of English v.0.48
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.
   [Webster 1913 Suppl.] Crepance
    

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