Arrowleaf Balsamroot, a native species, has been added to the USWildflowers database (07/17/2010.)  Scientific name is Balsamorhiza sagittata.    Photo below was taken in the Boise Foothills of the Boise National Forest near Boise, ID, on 06/10/2011.

Arrowleaf Balsamroot – Balsamorhiza sagittata