"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.
A plant species, of the genus OENOTHERA, family ONAGRACEAE, that is the source of evening primrose oil.
This graph shows the total number of publications written about "Oenothera biennis" by people in Harvard Catalyst Profiles by year, and whether "Oenothera biennis" was a major or minor topic of these publication.
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