Sampson’s Snakeroot, a native species, has been added to the USWildflowers database (06/13/2013.) Scientific name is Orbexilum pedunculatum.  Photo below was taken in Walker County, GA on June 7, 2013.  Go to the Sampson’s Snakeroot detail page for more photos and information.

Sampson’s Snakeroot – Orbexilum pedunculatum