Lupinus perennis

The Wild Blue lupin, Lupinus perennis, is a member of the pea family. It normally has blue to violet flowers that can sometimes be white or pink. They are on a vertical stalk with clusters of flowers on it. The leaves are long and arranged circle of 7-11 leaflets. These flowers are important to the Kamer blue but terfly which are endangered. The larvae of the butterfly only eats this kind of lupin.

http://www.wildflower.org/plants/result.php?id_plant=LUPE3

http://www.ct-botanical-society.org/galleries/lupinuspere.html

http://www.nrs.fs.fed.us/pubs/ch/ch09/CHvolume09page083.pdf

http://www.theseedden.com/gallery.php