Yellow Horse Gentian, a native species, has been added to the USWildflowers database (05/18/2013.) Scientific name is Triosteum angustifolium. It is also known by the common names Yellowfruit Horsegentian, Narrow-leaved Horse-gentian, Lesser Horse-gentian, and Yellow Tinkers Weed. Photo below was taken near the Blue Hole on Pigeon Mountain, Walker County, GA on April 16, 2010. Go to the Yellow Horse Gentian detail page for more photos and information.