"Citrus" 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.
MeSH information
A plant genus of the family RUTACEAE. They bear the familiar citrus fruits including oranges, grapefruit, lemons, and limes. There are many hybrids which makes the nomenclature confusing.

This graph shows the total number of publications written about "Citrus" by people in this website by year, and whether "Citrus" was a major or minor topic of these publications.
Bar chart showing 1217 publications over 28 distinct years, with a maximum of 118 publications in 2018
To see the data from this visualization as text, click here.