Are there fruits that diverged through domestication, other than obvious cases like apple varieties?
Citrus, which is well represented in your tree is a good example.
And are those people who call watermelons "berries" actually basing it on science? (No.)
Botanically, melons, cucumbers, and the fruit of many (not all!) species in the Cucurbitaceae are classified as a pepo, a type of berry.
https://en.wikipedia.org/wiki/Glossary_of_botanical_terms#pe...