Viola sororia Willdenow var. 1 ["glabrous" variant] . Section: Nosphinium. Subsection: Borealiamericanae. Phen: Apr-May. Hab: Moist forests. Dist: Se. PA, w. VA, w. NC; poorly known and probably more widespread.
Origin/Endemic status: Endemic
Taxonomy Comments: More geographically restricted than “hirsutula-like” in the Appalachian Mtns and e. Piedmont, more common than that and V. sororia at higher elevations;
Synonymy: < Viola palmata L. var. sororia (Willd.) Pollard – RAB; < Viola sororia Willd. – FNA6, K4, Pa