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creosote bush

American  

noun

  1. any of several shrubs belonging to the genus Larrea, of the caltrop family, especially L. tridentata, of arid regions of the southwestern U.S. and Mexico, having yellow flowers and resinous foliage with a strong odor of creosote.


creosote bush British  

noun

  1. Also called: greasewood.  a shrub, Larrea (or Covillea ) tridentata of the western US and Mexico, that has resinous leaves with an odour resembling creosote, and can live for many thousands of years: family Zygophyllaceae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of creosote bush

An Americanism dating back to 1840–50