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Carnegiea gigantea 
 noun 1.Extremely large treelike cactus of desert regions of southwestern United States having a thick columnar sparsely branched trunk bearing white flowers and edible red pulpy fruit.  Synonyms: saguaro, sahuaro.  
 
 
 
  
 WordNet 3.0 © 2010 Princeton University 
 
  
 
 
  
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