Annual, biennial or perennial herbs. Stipules 0. Leaves alternate, entire to pinnatifid. Flowers in axils of often reduced leaves. Bracteoles 0. Hypanthium present. Sepals 4. Petals 4, yellow, white or purplish-rose. Stamens 8. Stigma deeply 4-lobed. Seeds glabrous. Evening primroses, so called because they often flower in the evening. Worldwide: 124 species in mainly temperate America, but widely naturalised elsewhere in the world. Zimbabwe: 1 cultivated taxon. |