Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated April 2019. Scientific name: Oenothera biennis L. Common name(s): common evening primrose, evening star, King’s cure-all Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose “view image”) [gallery link=”file”