Calochortus macrocarpus       
                          sagebrush mariposa lily

Calochortus macrocarpus sagebrush mariposa lily

Calochortus macrocarpus sagebrush mariposa lily

Information from USDA Plants Database

http://plants.usda.gov/java/profile?symbol=cama5

https://www.google.com/search?q=Calochortus+macrocarpus+sagebrush+mariposa&hl=en&source=lnms&tbm=isch&sa=X&ei=56hJUeORO6GYiAKisoDYCQ&ved=0CAcQ_AUoAQ&biw=966&bih=522