Oenothera albicaulis Pursh. Phen: (Feb-) Mar-Jun (-Dec). Hab: Dry, sandy areas. Dist: ND and MT south to sc. OK, wc. TX, w. TX, NM, AZ, and n. Mexico (CHH, SON).
Origin/Endemic status: Native
Synonymy: = FNA10, GrPl, K3, K4, Mex, NY, Tx
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