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] Three varieties are accepted:[1]

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