Plant
              
                - Annual
 
                - Vine or bush-like habit
 
              
            
          
         
        
          
            
            
              Stem
              
                - Alternate leaf arrangement
 
                - Vining habit with tendrils
 
              
            
          
         
        
          
            
            
              Leaf
              
                - Broadly triangular with pointed lobes
 
                - Rough texture
 
              
            
          
         
        
          
            
            
              Flower
              
                - Separate male and female flowers on same plant
 
                - Yellow
 
                - Female has what appears to be small fruit below petals
 
              
            
          
         
        
          
            
            
              Fruit
              
                - Size, shape vary by cultivar
 
                - Usually oblong cylinder shape
 
                - Skin may have bumpy or soft spines
 
                - Edible, harvested when immature before seeds harden