Kudzu, a non-native, invasive species, has been added to the USWildflowers database (01/09/2011.)  Scientific name is Pueraria montana.  It’s also known by the common names  Kudzu-vine, Foot-a-Night Vine, and Vine that ate the South.  Photo below was taken in Walker County, GA on September 16, 2010.

Kudzu - Pueraria montana