Viola palmata Linnaeus var. triloba (Schweinitz) Gingins ex A.P. de Candolle. Section: Nosphinium. Subsection: Borealiamericanae. Northern Three-lobed Violet. Phen: Apr-May (-Jun). Hab: Drier to dry sandy, sandy loam in dry oak and oak-pine woods and dry to dry-mesic savannas and closed forests, on slopes and bluffs, ranging into somewhat moister substrates in forested situations, including drier microsites on stream and rivers terraces and borders of swamps. Dist: Ne. US and s. ONT southward into the s. Appalachian highlands, mostly absent from Lower Piedmont and se. Atlantic Coastal Plain, the s. limit in the Gulf States and Lower Midwest unclear.
Origin/Endemic status: Native
Syn: = GrPl, RAB, WV; = Viola triloba var. triloba – F, G, K1; < Viola palmata var. palmata – FNA6, K4
Hover over a shape, letter, icon, or arrow on the map to see what it means.
© Gary P. Fleming