Whorled Loosestrife – Native Plant of the Day 08/09/2017
Photo from 06/28/2014. Location: Low Gap Trail, Great Smoky Mountains National Park, TN. More info / photos at the Lysimachia quadrifolia detail page.
Purple Loosestrife, a non-native, highly invasive species, has been added to the USWildflowers database (8/11/2014.) Scientific name is Lythrum salicaria. It is also known as Rosy Strife and Kill Weed. Photo below was taken along the Ohio River in Newport, Campbell County, KY on Aug 5, 2014. Go to the Purple Loosestrife detail page for more photos and information.