Ruellia purshiana Fernald. Phen: May-(Jun). Hab: Dry woodlands and forests, especially over mafic or calcareous rocks. Dist: MD south to c. GA and c. AL, in and adjacent to the Appalachians. Reported occurrences (Kartesz 2020) in w. TN and ne. LA are questionable and need verification. Found in MS on limestone bluffs and glade edges (J. Kees).
Origin/Endemic status: Endemic
Synonymy: = F, K1, K3, K4, RAB, Tn, Va, W, WV, Long (1970), Wasshausen (1998); < Ruellia pedunculata Torr. ex A.Gray – C, G