DENDROLOGY

Detailed explanation-1: -Perennials are plants which complete their life cycle in more than two years. Once they grow, they start to bear flowers, produce fruits, seeds and the cycle continues for a longer period of time. They do not die after bearing fruits but renew their parts, season after season.

Detailed explanation-2: -A biennial requires all or part of two years to complete its life cycle. During the first season, it produces vegetative structures (leaves) and food storage organs. The plant overwinters and then produces flowers, fruit and seeds during its second season.