Zanthoxylum americanum P. Miller. Phen: Mar-May; Jul-Aug. Hab: Woodlands, forests, and glade margins over calcareous or mafic rocks, often forming extensive colonies near outcrops. Dist: S. QC west to e. ND, south to e. SC (a single site known in the state), c. GA, Panhandle FL, e. TN, c. TN, and OK.
Origin/Endemic status: Native
Other Comments: Sometimes planted.
Synonymy: = Ar, C, Fl4, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tn, Va, W, WH3, WV, Porter (1976); = Xanthoxylum americanum – F, orthographic variant