Oenothera jamesii Torrey & A. Gray. Trumpet Evening-primrose. Phen: Jul-Sep (-Oct). Hab: Stream banks, other moist areas. Dist: Sc. KS, c. and w. OK, TX, and ne. Mexico (COA, NLE).
Origin/Endemic status: Native
Synonymy: = FNA10, GrPl, K3, K4, Mex, NcTx, Tx
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