Onagraceae – Evening Primrose Family

Plants in the worldwide, but especially North American Evening Primrose Family (Onagraceae) are annual and perennial herbs and shrubs with a variety of leaf types (alternate, opposite, whorled, or basal, simple or pinnately compound) and flowers with 4 petals (rarely 0) and an inferior ovary, and fruit in the form of a capsule, berry, or nut.

Listed below are some of the southeastern Arizona plants in this family.