Mentzelia veatchiana is a species of flowering plant in the family Loasaceae known by the common name Veatch's blazingstar. It is native to the western United States from Oregon and Nevada to California and Arizona; and to northwestern Mexico in Baja California state. It grows in many types of habitat, from grassland to chaparral scrub, woodland, and deserts. Mentzelia veatchiana is an annual herb growing erect to a maximum height near 45 centimeters. The leaves are up to 18 centimeters long in the basal rosette and are divided into deep toothed lobes. The inflorescence is a cluster of flowers with orange to yellow petals under a centimeter long. The fruit is a utricle roughly 1 to 3 centimeters long which contains many tiny angular seeds.