Oenothera suffrutescens (Seringe) W.L. Wagner & Hoch. Phen: Apr-Jun (-Aug). Hab: Sandy or rocky prairies. Dist: ON and BC south to MO, OK, TX, NM, AZ, CA, and to se. Mexico.
Origin/Endemic status: Native
Synonymy: = FNA10, K3, K4, Mex, Mi, NY; = Gaura coccinea – C, F, GrPl, NcTx, Tx; = n/a – Il