Dwarf Larkspur [Delphinium tricorne] photos were taken on the Appalachian Trail (AT), between US 19E and Doll Flats, near Roan Mountain, Tennessee, on 14 May 2016. It’s the member of the Buttercup (Ranunculaceae) family. Wildflowers of North Carolina, page 61, states, “This poisonous native perennial is infrequent, though often occuring in large colonies, in the right woods of the mountains and lower piedmont of North Carolina.”
USDA Plants Listing: Delphinium tricorne