Reverchonia arenaria

The only species of the genus occurring in the United States, found on sand dunes in the southwestern U.S.

Plant habit at Samalayuca Dunes, south of Juaréz, Chihuahua, Mexico, 5 Sep 2009.

Inflorescences at Samalayuca Dunes, 5 Sep 2009.

Flowers at Samalayuca Dunes, 5 Sep 2009.