Eureka lemons (Citrus limon 'Eureka') look like a standard grocery market lemon with bright yellow rind when fully ripe. They ...

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.

Citrus is conveniently seasonable when not much other fruit is available from home gardens through winter, but they seem like ...