Euphorbia tetrapora Engelmann. Weak Spurge. Phen: Late Mar-May. Hab: Sandy soils. Dist: AR and OK south to w. LA and TX.
Origin/Endemic status: Endemic
Taxonomy Comments: {subgenus Esula, section Tithymalus}
Synonymy: = FNA12, K1, K3, K4, NcTx, Govaerts, Frodin, & Radcliffe-Smith (2000), Mayfield (2013); = Tithymalus tetrapora (Engelm.) Small
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