News Plants The first citrus fruits may have come from southern China An in-depth genetic analysis of Citrus plants identifies where they probably originated Wild citrus such as the Citrus trifoliata orange (shown) probably emerged in what is now south central China. Jebulon/Wikimedia Commons Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Erin Garcia de Jesús October 2, 2023 at 11:00 am Citrus fruits’ hometown is in China, a genetic analysis suggests. An extensive look at wild members of the orange family tree hints that the first species in the Citrus genus arose around 8 million years ago in what’s now south central China, researchers report October 2 in Nature Genetics.