Oenothera biennis
- noun
- /ˌiːnoʊˈθɛrə ˈbɪnɪs/
- Specialized
- Oenothera biennis is often cultivated for its showy yellow flowers that open at dusk.
Examples
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Many herbal supplements use oil extracted from Oenothera biennis seeds for medicinal purposes.
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Many gardeners love to plant Oenothera biennis for its stunning flowers.
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The fields were covered in Oenothera biennis during midsummer.
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The Oenothera biennis blooms beautifully at dusk.
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Oenothera biennis is a popular choice among gardeners for its bright yellow flowers that bloom in the evening.
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The oil from Oenothera biennis seeds is frequently used in skincare products for its beneficial properties.
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In the summer months, Oenothera biennis can be found growing wild in many fields across eastern North America.
Synonyms
A plant with yellow flowers that open in the evening
A plant with yellow flowers that open in the evening and attract moths
A rough plant that lives two years and has yellow flowers that open in the evening
Surface Forms
Morphology
Oenothera + biennis
The binomial is directly compositional: 'Oenothera' names the genus (night-opening/ evening-primrose herbs) and 'biennis' is the Latinized adjective meaning 'biennial', so the phrase denotes the biennial species of that genus. This follows predictable botanical naming conventions rather than idiomatic meaning, making the overall sense derivable by a learner who knows the constituent meanings (though it is domain-specific).
Etymology
Oenothera biennis is the name of a plant whose bright yellow flowers open in the evening. People called it 'evening primrose' because of that sight, so the name now means the plant with flowers that open in the evening.