Stylisma patens (Desrousseaux) Myint. Common Dawnflower. Phen: Jun-Aug. Hab: Longleaf pine sandhills and other relatively dry sandy areas. Dist: E. NC south to n. FL, and west to s. MS; reports from west of the Mississippi River are misidentifications.
ID notes: Overall, the most common and widespread taxon of the genus in our area, regularly encountered in its habitat.
Origin/Endemic status: Endemic
Syn: = Bonamia aquatica – Wilson (1960b), misapplied; = Bonamia patens var. patens – RAB, Shinners (1962d); = Stylisma patens ssp. patens – K1, K3, K4, Myint (1966); = Stylisma patens var. patens – Fl6; = Stylisma trichosanthes – S, misapplied; < Stylisma patens – WH3