DENDROLOGY

Detailed explanation-1: -Both lemons and limes-as well as oranges, tangerines, citron, and grapefruit-belong to the broader category of citrus fruit. Lemons and limes are now grown all over the world.

Detailed explanation-2: -Lemons are a hybrid of citrons and sour or bitter oranges that evolved through plant breeding over many centuries.

Detailed explanation-3: -Lemons are classified as the citrus fruit, known as the Citrus limon in botany. It is also a hybrid fruit, not a fruit that grows naturally. This indicates that they are a genetic cross between two different fruits. Lemons are specifically a cross between the citron fruit and the bitter orange.