About Oenothera tetragona Roth
Oenothera tetragona, commonly called the glaucous evening primrose, is a flowering plant species belonging to the Onagraceae family. It is native to eastern North America, and has been introduced to Germany, the Czech Republic, and Myanmar. The Royal Horticultural Society recognizes this plant as a good choice for attracting pollinators. It has one known cultivar, 'Glaber', which is also referred to as 'Clarence Elliott'.