Fourty-eight images of Oenothera biennis, Evening Primrose, Onagraceae, evening primrose family, a biennial or annual, the root of which is considered edible (at least as a survival food). The seed oil, high in omega-6 fatty acids, is sold as a dietary supplement in the United States, with claims related to supplying health benefits from its essential fatty acids, particularly for women's health.
Steven Foster photography created by Steven Foster Group specializing in photos of herbs, spices, and medicinal plants