Cream Ticktrefoil, a native species, has been added to the USWildflowers database (10/08/2011.) Scientific name is Desmodium ochroleucum.  Photo below was taken in Walker County, Ga on October 1, 2011.   Go to the Cream Ticktrefoil detail page for more photos and information.

Cream-flowered Tick Trefoil, Cream Ticktrefoil, Tick Clover – Desmodium ochroleucum