Physostegia virginiana (Linnaeus) Bentham ssp. praemorsa (Shinners) Cantino. Southern Obedient-plant. Phen: Jul-Nov. Hab: Woodlands, glades, seepages, especially over calcareous or mafic rock. Dist: OH west to n. IL, south to c. NC, n. FL, TX, NM, and Mexico.

Origin/Endemic status: Native

Synonymy: = GrPl, K1, K3, K4, NcTx, Tn, W, Cantino (1982); = Physostegia praemorsa Shinners – Tx; = Physostegia virginiana (L.) Benth. var. arenaria Shimek – C; < Dracocephalum virginianum L. – G, RAB, S; >< Physostegia speciosa (Sweet) Sweet – Il; < Physostegia virginiana (L.) Benth. – Fl6, GW2, WH3; >< Physostegia virginiana (L.) Benth. – Il; >< Physostegia virginiana (L.) Benth. var. speciosa (Sweet) A.Gray – F; >< Physostegia virginiana (L.) Benth. var. virginiana – F

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