Section
Oenothera (Oenothera sect. oenothera)
Oenothera elata. Photo: (c) Donna Pomeroy, some rights reserved (CC BY-NC)
Oenothera is a genus of about 145 species of herbaceous flowering plants native to the Americas. It is the type genus of the family Onagraceae. Common names include evening primrose, suncups, and sundrops. They are not closely related to the true primroses (genus Primula).
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