Physostegia purpurea (Walter) Blake. Phen: Late May-Nov; Jun-Sep. Hab: Wet savannas, savanna-swamp ecotones, ditches adjacent to former pinelands. Dist: Ec. NC south to s. FL, west to sw. GA and Panhandle FL.
Origin/Endemic status: Endemic
Taxonomy Comments: Cantino (1982) discusses clinal variation within P. purpurea.
Synonymy: = Fl6, GW2, K1, K3, K4, WH3, Cantino (1982); = Dracocephalum denticulatum Aiton – S; = Physostegia obovata (Elliott) Godfrey ex Weath. – F; < Dracocephalum purpureum (Walter) E.M.McClint. ex Gleason – RAB