Diamorpha smallii Britton ex Small. Elf-orpine. Phen: Apr-May; May-Jun. Hab: In very thin soil (generally less than 2 cm deep) of vernally wet depressions on granite and sandstone flatrocks and other acidic outcrops. Dist: Primarily limited to granitic flatrocks of the Piedmont, ranging from sc. VA to ec. AL, and on sandstone from se. TN south into c. AL

Origin/Endemic status: Endemic

Other Comments: This species is both one of the most typical and one of the most interesting of the dozens of species endemic (or largely so) to granite flatrocks of the southeastern Piedmont. See Wilbur (1988a) for a thorough discussion of the muddled nomenclatural history of this remarkable species, as well as for a detailed summary of systematic and ecological information.

Synonymy: = FNA8, GW2, K1, K3, K4, Tn, Va, Wilbur (1988a); = Diamorpha cymosa (Nutt.) Britton ex Small – Clausen (1975); = n/a – C, F; = Sedum smallii (Britton ex Small) H.E.Ahles – RAB, W; > Diamorpha cymosa (Nutt.) Britton ex Small – S; > Diamorpha smallii Britton ex Small – S

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