USWildflowers Daily Plant 12/02/2012.
Photo from 8/23/2009. Location: Walker County, GA.
Sweet Autumn Clematis, an introduced species, are the smaller flowers shown here surrrounding a native Wild Potato Vine blossom. For more photos and information go to the Clematis terniflora detail page.
Also Daily Plant 10/12/2010, 12/02/2011
I have noticed in the last several years on my many trips to the Great Smokey Mountains including the B.R. parkway that Sweet Autumn Clematis has become extremely invasive. It appears to thrive there, invading native wildflowers.