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Onagraceae

11-Oenothera missouriensis flower

[FMP-field: image]

The flowers of Oenothera missouriensis are 3–4 inches across. They are fragrant, open in the evening, and are pollinated by night-flying sphinx moths.

Photo by K. R. Robertson from plants in cultivation at the Case Estates, Arnold Arboretum of Harvard University.

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