Buck Bean
- Menyanthes trijoliata L.
 - Gentian family
  
        
         
 
           
Common Names
 Bean trefoil 
 Bitter trefoil 
 Bitterworm 
 Bogbean 
 Bog myrtle (Myrica gale) 
 Brook bean 
 Marsh clover 
 Marsh trefoil 
 Moonflower 
 Trefoil 
 Water shamrock 
   
           
Parts Usually Used
Leaves
 
 
           
Description of Plant(s) and 
Culture
Buck bean is a perennial water plant; the black, branching, jointed rootstock sends up a flower stem dilated at the base, as well as the dark green ternate leaves with obovate, sessile leaflets.  The racemed flowers are white inside, rose-colored outside.  (Note the clover-like leaves arising from the root).  Flowers are 5-parted, petals have fuzzy beards; bloom April to July.
 
 
           
Where Found
Found on the shorelines, bogs, shallow water, in the ditches and marshy meadows of Pacific North America, Canada, Alaska, and Eurasia.  Eastern and north central states of the United States have a smaller variety.
 
 
           
Medicinal Properties
Bitter tonic, cathartic, febrifuge, diuretic, anthelmintic, emetic
 
 
           
Legends, Myths and Stories
Used as flavoring and for beer making.
 Native Americans cut the nicotine in tobacco by using buck bean leaves.  Smoked alone or mixed with tobacco.
Science confirms phenolic acids may be responsible for bile-secreting, digestive tonic, and bitter qualities.
 
 
           
Uses
Buck bean tea is used to relieve fever, migraine headaches, indigestion, or to promote appetite, rheumatism, scrofula, scurvy, jaundice, skin diseases, dropsy, stops bleeding, liver and kidney troubles, in large doses it is a purgative.  Externally, buck bean can be used for ulcerous sores, and for herpes.  Expels worms.
 
 
           
Formulas or Dosages
Infusion: use 1 tbsp. dried leaves with 1 cup water.  Steep for 15 minutes, and take 1 cup a day, unsweetened, a mouthful at a time.  To stimulate appetite, take 1/2 cup about 30 minutes before eating.  Infusion may be flavored with licorice, or sweetened with honey if unable to tolerate.
 Cold extract: use 2 tsp. leaves to 1 cup cold water.  Let stand for 8 hours.
 Powder: take 1/2 to 1 tsp., 3 times a day.
 Capsules: 1 capsule 3 times a day.
 
 
           
How Sold
Capsules, powder
 
 
           
Warning
Fresh plant causes vomiting.
 
 
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