endothecium
noun
                                                                                                                            
                                                            en·do·the·ci·um
                    
                                                                                                              
                                                                                                                                  ˌen-dō-ˈthē-sē-əm 
                                                                                                                                  -shē- 
                                                      
                                                          
            
            
               plural endothecia
                                        ˌen-dō-ˈthē-sē-ə 
                                        -shē- 
    
            
        
    
                                
              
          
                                                      : the inner lining of a mature anther                                      
                
                    
Love words? Need even more definitions?
  
  Merriam-Webster unabridged




Share