Common evening-primrose (Oenothera biennis)

The Evening Primrose (Oenothera biennis) is a herbaceous perennial known for its yellow blooms that open in the evening and close by morning. It is commonly grown as an ornamental plant, especially in regions susceptible to drought. Native American tribes utilized its roots as a food source. However, consuming this plant has been linked to potential side effects such as headaches and diarrhea.