Euphorbia hexagona Nuttall ex Sprengel. Six-angle Spurge. Phen: Jun-Oct. Hab: Sand prairies, stream bars, and disturbed sandy areas. Dist: W. WI, se. MN, SD, and se. WY south to nw. IL, n. AR, e. TX, and NM.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA12, GrPl, Il, K1, K3, K4, NcTx, Tx; = Zygophyllidium hexagonum (Nutt. ex Spreng.) Small
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