Hop (Humulus)
 
    Hop Genus Details
 
    Humulus is a twining, rough perennial herb with simple, opposite leaves.  It is found growing wild in open or wooded, moist areas, along roadsides, streams and river banks.  The plant is cultivated for the resinous material in the flowers which is used to make beer.
    Hop Allergy Info
 
    Exposure can produce a reaction similar in severity to reactions to cannabis among sensitized individuals.
    Hop Pollen Description
 
    Grains are suboblate to oblate; the amb rounded triangular to circular and 3-4 porate. The pores are circular to oval. The intine is thickened below the pores, forming an onci. Grains of Humulus and Cannabis are very similar and resemble pollen of the Moraceae family.
    Grains are 14-23 x 20-28 micrometers in size.
    
    
    Species in This Genus
 
    
    Allergenicity Legend: 
         Mild Allergen  |
 Mild Allergen  | 
         Moderate Allergen  |
 Moderate Allergen  | 
         Severe Allergen  |
 Severe Allergen  | 
         Allergy Test Available
 Allergy Test Available
        
    
     Mild Allergen  |
 Mild Allergen  | 
         Moderate Allergen  |
 Moderate Allergen  | 
         Severe Allergen  |
 Severe Allergen  | 
         Allergy Test Available
 Allergy Test Available
        Hop (Humulus) is a genus of the CANNABACEAE family.
This genus includes the following allergenic species:
    
    
    This genus includes the following allergenic species:
 
                    
                








 
  
                        

