Leaves all cauline, more than 10 and usually entire; sepals without a basal auricle; lower petal notched or 2-lobed at apex and slightly saccate (but not spurred) at base.
All species found in Violaceae
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 24, 2020. https://www.michiganflora.net/family.aspx?id=Violaceae.