Indian Paintbrush Wyoming State Flower. Aven nelson of the university of. Indian paintbrush or painted cup castilleja linariaefolia or prairie fire was adopted as the state flower on january 31 1917.
 
        In 1917 wyoming declared the native indian paintbrush as their state floral emblem. Wyoming is a beautiful state with lots of wide open spaces towering mountains and wild forests. In polls of wyoming school children the indian paintbrush proved to be a favorite.
Official state flower of wyoming the indian paintbrush was designated the state flower of wyoming in 1917.
It is a semi parasitic plant meaning. Wyoming is a beautiful state with lots of wide open spaces towering mountains and wild forests. The roots of the painted cups are partially parasitic on the roots of other green plants. When the state was looking for an official state flower dr grace hebard from wyoming university promoted the castilleja linariaefolia over numerous other plant species including the fringed gentian.