(Mentzelia decapetala)
Mentzelia decapetala (commonly known as tenpetal blazingstar, evening-star, candleflower, gumbo lily, or chalk lily) is a herbaceous biennial or short-lived perennial with large white flowers that bloom at night. It is native to dry areas in the western United States. Mentzelia is a genus of about 60-70 species of flowering plants in the family Loasaceae, native to the Americas. The genus comprises annual, biennial, and perennial herbaceous plants and a few shrubs. They are commonly called blazing stars or stickleafs; other names include evening stars and moonflowers.