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Definition of evening primrose
evening primrose
Plural:evening primroses
• noun
1
Any of various herbaceous flowering plants of the genus Oenothera (especially Oenothera biennis), native to the Americas in the family Onagraceae, cultivated for their fragrant, four-petaled yellow, pink, or white blossoms that open at dusk and for their oil-rich seeds.
Example
"As twilight settled over the garden, the pale yellow blossoms of the evening primrose began to unfurl and release their sweet scent."
Word Nuance & Usage
Despite its common name, the evening primrose (genus Oenothera) is not closely related to the true primrose (genus Primula), taking its name instead from the pale yellow color of its blossoms.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Evening primrose. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/evening-primrose