The Four O'clock Family in the Mountains and Deserts of the American Southwest
Nyctaginaceae
![Trailing Windmills: Allionia incarnata var. incarnata (Synonym: Allionia incarnata var. nudata)](allionia/incarnata/incarnata/incarnata03-25-2005b.jpg)
Trailing Windmills: Allionia incarnata var. incarnata
Sand Verbenas: The Genus Abronia
Windmills: The Genus Allionia
Four O'Clock Flowers: The Genus Mirabilis