But what kind of citrus fruit should you use in baking, cooking, and snacking? Do lemons and limes serve the same purpose? What's the difference between "regular" limes and Key limes, anyway?

Humans, however, have brought a great winnowing: Out of thousands of wild types, only a few dozen have become commercial behemoths like the navel orange, Eureka lemon, and Mexican lime.

But what kind of citrus fruit should you use in baking, cooking, and snacking? Do lemons and limes serve the same purpose? What’s the difference between “regular” limes and Key limes, anyway? We’ve ...