Viola langloisii Greene. Section: Nosphinium. Subsection: Borealiamericanae. Phen: (Jan) Feb-Mar. Hab: Alluvial sand and silt of floodplains and bottomlands in close proximity to the flooding zone, along streams and rivers emptying into the Gulf Coast. Dist: MS to se. OK, south along the w. FL Panhandle and to se. coastal TX.
Origin/Endemic status: Endemic
Taxonomy Comments: Sometimes synonymized with V. affinis or V. sororia or confused with Viola missouriensis but expressing distinctly different leaf, flower and fruit morphologies. Nearly a Gulf Coastal Plain endemic and quite uniform across its range. Disjunct populations resembling Viola langloisii along the se. lower Atlantic Coastal Plain have been segregated as Viola species 3.
Synonymy: = F, K1, K3, S, Tx; < Viola missouriensis Greene – FNA6, K4; < Viola sororia Willd. – Fl2