141368 COMMON DOG-VIOLET Viola riviniana (Violaceae) Height to 12cm. Familiar perennial herb of woodland rides and grassland. FLOWERS are 15-25mm across and bluish violet with a blunt, pale spur that is notched at the tip, and pointed sepals (Mar-May). FRUITS are egg-shaped. LEAVES are long-stalked, heart-shaped and mainly hairless. STATUS-Widespread and locally common throughout.