British Columbia Outdoor Wilderness Guide               |   
    
			
                   
                     
                        
                         
                         
                        MOUNTAIN HEMLOCK 
                        tsuga mertensiana   
                      
                        - 'tsuga' 
                          is from 'tsu-ga' the Japanese word for "tree" and "mother", 
                          'mertensiana' is named for the botanist Franz Mertens 
                           
                        
 - Mountain 
                          Hemlock is also known as Black Hemlock  
                      
  
                       
                       UNIQUE 
                        FEATURES:  
                        
                        
                          - unlike 
                            most conifers, most of the Mountain Hemlock's branches 
                            slope upwards at the tips; making them most unsuitable 
                            to take refuge under in the rain  
                          
 - at 
                            higher elevations it is often stunted  
                        
  
                       
                       LOCATION: 
                         
                        
                        
                          - Mountain 
                            Hemlock grows in coastal mountains, Cariboo, Selkirk 
                            and Monashee mountains  
                          
 - Mountain 
                            Hemlock appears from mid-elevations to timberline 
                             
                          
 - Mountain 
                            Hemlock occurs where there is a heavy, early snowpack 
                             
                          
 - area 
                            with only a short growing season  
                          
 - can 
                            also appear in bogs along the north coast  
                        
  
                       
                       SIZE: 
                         
                        
                        
                          - Mountain 
                            Hemlock's maximum size is 30 metres  
                        
  
                       
                       CONES: 
                         
                        
                        
                          - two 
                            or three times longer than those of the western hemlock 
                             
                          
 - light 
                            to deep purple, green, becoming brown with age  
                          
 - cylindrical 
                            in shape/narrow at each end  
                          
 - pollen 
                            cones: bluish  
                        
  
                       
                       NEEDLES: 
                         
                        
                        
                          - same 
                            size  
                          
 - yellow-green 
                            to bluish green, glossy  
                          
 - densely 
                            cover the branches (sprays do not have the flattened 
                            appearance of the western hemlock)  
                          
 - triangular 
                            in a cross section, not flat like the western hemlock 
                             
                        
  
                       
                       BARK: 
                         
                        
                        
                          - dark 
                            reddish-brown  
                          
 - cracked, 
                            grooved into narrow ridges  
                        
  
                       
                       USES: 
                         
                        
                        
                          - modern 
                            - small dimension lumber, pulp
                        
  
                       
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