Cranefly Orchid, a native species, has been added to the USWildflowers database (08/08/2013.) Scientific name is Tipularia discolor.  Photo below was taken on the Long Branch Preserve, Walker County, GA on Aug 8, 2013.  Go to the Cranefly Orchid detail page for more photos and information.

Tipularia, Cranefly Orchid, Crippled Cranefly Orchid – Tipularia discolor