I took this picture while backpacking in the Absaroka - Beartooth Wilderness in Montana. This was taken near Granite Peak. I have checked several books and can't find this one. Thank You - Hiker Guy
I believe it is Gentiana algida. Commonly called arctic gentian. http://www.botanicalgarden.ubc.ca/potd/2007/09/gentiana_algida_1.php http://www.google.co.uk/images?q=Ge...&source=og&sa=N&hl=en&tab=wi&biw=1247&bih=497