Native Plant of the Day 05/29/2015
Photo from May 30, 2004. Location: Big Frog Trail, Polk County, TN.
Note: See comment below from Forestry Service Botanist David Taylor, which brings this identification into question.
Roundleaf Catchfly – for more photos / info go to the Silene rotundifolia detail page.
Also NPOD 05/29/2012, 05/29/2013, 05/29/2014