ceanothus
noun
                                                                                                                            
                                                            ce·a·no·thus
                    
                                                                                                              
                                                                                                                                  ˌsē-ə-ˈnō-thəs  
                                                      
                                                          
            
                                
              
          
                                                      : any of a genus (Ceanothus) of American vines, shrubs, and small trees of the buckthorn family having the calyx disk adherent to the ovary                                      
                
                    
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  Merriam-Webster unabridged




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