DENDROLOGY

Detailed explanation-1: -biennial, any herbaceous flowering plant that completes its life cycle in two growing seasons. During the first growing season, biennials produce roots, stems, and leaves. During the second growing season, they produce flowers, fruits, and seeds, and then they die.

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.

Detailed explanation-3: -Examples of Biennial Crops Biennial plants include members of the onion family, such as leeks, cabbage family members, common mullein, parsley, fennel, lunaria, silverbeet, black-eyed susan, sweet william, colic weed, carrot, and some hollyhocks.