Iris missouriensis Rocky Mountain iris

Iris missouriensis Rocky Mountain iris

Iris missouriensis Rocky Mountain iris

Information from USDA Plants Database
 
http://plants.usda.gov/java/profile?symbol=irmi

https://www.google.com/search?q=Iris+missouriensis+Rocky+Mountain+iris&hl=en&source=lnms&tbm=isch&sa=X&ei=n5BKUez9HeS9igLguYDADg&ved=0CAcQ_AUoAQ&biw=1008&bih=522