"Onagraceae" 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.
The evening primrose plant family of the order Myrtales, subclass Rosidae, class Magnoliopsida. Flower parts are mostly in fours and the ovary is inferior.
This graph shows the total number of publications written about "Onagraceae" by people in this website by year, and whether "Onagraceae" was a major or minor topic of these publications.
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