Common Blue Violet [Viola papilionacea] found in the Vining backyard on 21 April 2013. It a member of the Violet (Violaceae) family, according to Wildflowers of the Carolinas, pages 26-27 and which says many previously divided violet species are lumped together under the Viola sororia name . USDA Plants Link: https://plants.usda.gov/home/plantProfile?symbol=VISO
