Viola
pensylvanica
Yellow Violet
Violaceae
Yellow Violet
Violaceae
Interesting info: More info and photos of the Yellow Violet at Missouri Plants
Dan Teglia -
missouriplants.com
The Southern Appalachian Wildflowers Site has a lovely Violets Page and also a very useful page for identification of violets.
Another good violets link - with a list of the USDA violets pages.
You
ought to know:
Area:
Height: 4-12 inches
Frequency: Low
Blooms: April-June