This photo of Birdeye Speedwell [Veronica persica], a member of the Figwort (Scrophulariaceae) family, was taken near the NC Agricultural Research Station, in Fletcher, on 17 May 2013. Newcomb’s Wildflower Guide, pages 96-97, also refers to it as Persian Speedwell.
USDA Plant Listing: https://plants.usda.gov/home/plantProfile?symbol=VEPE3