Calliandra humilis Benth. var. reticulata (A.Gray) L.D.Benson

A predominately Mexican plant entering the United States only in southeastern Arizona and the New Mexico bootheel. Unlike var. humilis, var. reticulata has pinnately compound leaves.

Plant habit near the top of Cascada de Basaseachic, Chihuahua, Mexico, 8 Sep 2009.