Zinnia grandiflora

Zinnia grandiflora is a species of flowering plant in the aster family known by the common names Rocky Mountains zinnia and Plains zinnia. It is native to the southwestern and south-central United States (Kansas, Oklahoma, Texas, Colorado, New Mexico, Arizona) and northern Mexico (Chihuahua, Coahuila, Sonora, Tamaulipas, Nuevo León, Zacatecas).