Viola
obliqua
aka Viola cucullata
MarshViolet
Violaceae
David
G. Smith - Delaware
Wildflowers
Backyard
Gardener
explains:
V.
obliqua, also known as V. cucullata, is a deciduous perennial
that is stemless and spreading with leaves that are heart-shaped
to 3 1/2 inches long. Single, blue-violet flowers to 3/4
inches across with1/16 inch spurs bloom in the late spring.
At times, white flowers with blue eyes and blue veins
bloom. (photo
from Superstock)
Viola
pubescens
Smooth Yellow Violet
also Common Yellow Violet
Violaceae
Illinois
Wildflowers