Oenothera
Oenothera is a genus of about 125 species of annual, biennial and perennial herbaceous flowering plants, native to North and South America. It is the type genus of the family Onagraceae. Common names include evening primrose, suncups, and sundrops.
Oenothera Media
Painting of Hugo de Vries, making a painting of an evening primrose, which had apparently produced new forms by large mutations in his experiments, by Thérèse Schwartze, 1918
Oenothera caespitosa var. marginata
Oenothera stricta ssp. stricta