Penstemon stenophyllus

A grassland-dwelling Penstemon found in northern Mexico, entering the United States in southeastern Arizona.

A flower at the grasslands near La Junta, between Cuauhtémoc & Creel, Chihuahua, Mexico, 6 Sep 2009. Photographed on a trip with the American Penstemon Society.

Front view of the same, 6 Sep 2009.

An inflorescence near La Junta, 6 Sep 2009.