Plant
              
                - Small to medium shrub
 
                - Deciduous
 
                - Species vary in character
 
              
            
          
         
        
            
              
              
                Twig
                
                  - Opposite leaf arrangement
 
                  
            
            
           
        
          
            
            
              Leaf
              
                - Vary by species
 
                - 2-8" long
 
                - Simple, toothed
 
                - Most taper to abrupt point
 
                - Oak leaf hydrangea with deep lobes resembling oak
 
              
            
          
         
        
            
              
              
                Flower
                
                  - Clusters made up of center fertile and outer sterile flowers
 
                  - Outer sterile flowers have large, showy bracts
 
                  - Creamy white, pink, blue (varies by species and cultivar)