Aquilegia caerulea

(from the article `columbine`) ...tall along roadsides and woodland edges. The species and its several hybrids, which are known for their nodding flowers with short incurved spurs, ...
Found on http://www.britannica.com/eb/a-z/a/92

Aquilegia caerulea

Aquilegia caerulea is a species of Aquilegia flower native to the Rocky Mountains from Montana south to New Mexico and west to Idaho and Arizona. Its common name is Colorado Blue Columbine; sometimes it is called `Rocky Mountain Columbine`, but this properly refers to Aquilegia saximontana. It is a herbaceous perennial plant growing to 20–60 c.....
Found on http://en.wikipedia.org/wiki/Aquilegia_caerulea
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