Oenothera tetraptera Cavanilles. Fourwing Evening-primrose. Phen: Feb-May. Hab: Alluvial flats, disturbed areas. Dist: E. and s. TX southwards into sc. Mexico.
Origin/Endemic status: Native
Synonymy: = FNA10, K3, K4, Meso4.1, Mex, Tx; = Hartmannia tetraptera (Cav.) Small – S13
Wetland Indicator Status:
Heliophily: 9
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