[Wikipedia] Range, Description, Common Names: Allionia incarnata is a flowering plant in the four o'clock family (Nyctaginaceae) native to the Caribbean, the southern United States, and south through Central America and most of western South America.[1] It is a perennial (sometimes annual) herbaceous plant with dark pink flowers.[2] Allionia incarnata is known as pink three-flower, pink windmills, trailing allionia, trailing four-o'clock, and trailing windmills.[2] (link added by Mary Ann Machi)