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{{SPlantbox
|genus=Oenothera
|species=speciosa
|Temp Metric=°F
|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
|image=Upload.png
|image_width=240
}}
{{Inc|
Oenothera speciosa, Nutt. (Hartmannia speciosa, Small). Perennial, with a rootstock, erect or ascending branches, 2 ft. or less high, canescent: Lvs. linear to lance-oblong, 4 in. or less long, remotely or sinuately dentate, or the lower ones pinnatifid, attenuate at base: calyx-tube as long as the ovary; petals largo, obcordate, white: caps. ½-¾ in. long, 8-winged, acute at top. Mo., west and south. B.M. 3189. Gn. 26, p. 482.
}}
{{Taxobox
{{Taxobox
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