Yellow violet, or downy yellow violet (Viola pubescens)
Member of the Violaceae (Violet) family. Grows in dry woods, meadows, 6 - 16 inches, April - June. The leaves and stems are covered with soft hairs (down); leaves are heart-shaped and there occasionally may be 1 basal leaf. Stipules are toothed. Flowers are yellow, 5-parted, 1"-1 1/2" wide, petals with brownish veins near the base. Downy yellow violet has stems that bear both leaves and flowers.
To learn more
violet (Downy yellow violet),
visit its profile at the USDA Plants Database