| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Nyctaginaceae | Allionia choisyi | Garapatilla, Trailing Four-o'clock | Sandy or gravelly soils. | TX west to s. UT, south through NM and AZ, Mexico, Central America, South America, and West Indies. |  |
| Nyctaginaceae | Allionia incarnata var. incarnata | Allionia, Pink Three-Flower, Pink Windmills | Open, sandy or gravelly areas. | Sc. and sw. United States south through Mexico and Central America to South America; also West Indies. |  |