Last Name

Oenothera biennis

"Oenothera biennis" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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A plant species, of the genus OENOTHERA, family ONAGRACEAE, that is the source of evening primrose oil.

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