Euphorbia discoidalis Chapman. Hab: Longleaf pine sandhills, shortleaf pine woodlands in the Interior Highlands. Dist: E. and c. GA (or e. SC?) south and west to Panhandle FL and e. TX; disjunct in Ouachita Mountains of sw. AR (Theo Witsell, pers. comm., 2019).
Origin/Endemic status: Endemic
Other Comments: Park (1998) includes in the synonymy of E. discoidalis the entity E. corollata var. angustifolia Elliott, which has a stated type locality in e. SC.
Synonymy: = Fl2, FNA12, K1, K3, K4, WH3, Huft (1979), Park (1998); = n/a – RAB; = Tithymalopsis discoidalis (Chapm.) Small – S; < Euphorbia corollata L. var. corollata – Govaerts, Frodin, & Radcliffe-Smith (2000)