There are about 7, 500 varieties of apples
All melons are supposed to have originated in India
The first recorded watermelon harvest occurred in Egypt about 5, 000 years ago
Is tomato a fruit or a vegetable? The case went all the way to the U.S. Supreme Court in 1893.
And yes, tomato was decided to be a vegetable for everyday purposes (it had to do with import tariffs, see
here for a more detailed explanation and
here for the legal documents.
(facts from the digital fruit/veg of the month info board in the work cafeteria)