greene, did you dig them, locally? I was thinking Strophostyles umbellata or possibly Trailing Pea (Strophostyles leiosperma):
http://www.minnesotawildflower... but I'm not sure if that one appears in Georgia.
edited to add: It is found in the south so could very well be S. leiosperma.
http://luirig.altervista.org/s...
drawings of S. helvola, S. umbellata, S. leiosperma:
http://luirig.altervista.org/f...
If not Strophostyles, maybe Clitoria is a possibility?
http://www.namethatplant.net/p...
