title: Oenothera tetragona
text: # Oenothera tetragona
  
  Oenothera tetragona, the glaucous evening primrose, is a species of flowering plant in the family Onagraceae, native to eastern North America, and introduced to Germany, the Czech Republic, and Myanmar. The Royal Horticultural Society considers it a good plant to attract pollinators. There is a cultivar, 'Glaber', also known as 'Clarence Elliott'.
  
  