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Penstemon attenuatus
sulfur penstemon
Penstemon attenuatus sulfur penstemon
Penstemon attenuatus sulfur penstemon
Information from USDA Plants Database
http://plants.usda.gov/java/profile?symbol=peat3
https://www.google.com/search?q=Penstemon+attenuatus+sulfur+penstemon&hl=en&source=lnms&tbm=isch&sa=X&ei=yZpKUZqsI-fLigKty4GYAw&ved=0CAcQ_AUoAQ&biw=1008&bih=522