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Image of common evening primrose
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Common Evening Primrose

Oenothera pycnocarpa Atkinson & Bartlett

Biodiversity Heritage Library   cc-by

Oenothera pycnocarpa (Common Evening Primrose) is a species of biennial herb in the family Onagraceae. It has a self-supporting growth form. It is associated with freshwater habitat. Common Evening Primrose is native to Canada and the contiguous United States. It has simple, broad leaves and yellow flowers. Flowers are visited by Schinia florida. Common Evening Primrose is a photoautotroph.

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EOL has data for 75 attributes, including:

Known occurrences, collected specimens and observations of common evening primrose. View this species on GBIF