Aren't all of the citrus fruits native to South East Asia?
Many of the hybrids originated elsewhere.
"Grapefruits originated in Barbados in the 18th century."
https://en.wikipedia.org/wiki/Grapefruit
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Many of the hybrids originated elsewhere.
"Grapefruits originated in Barbados in the 18th century."
https://en.wikipedia.org/wiki/Grapefruit