DENDROLOGY

Detailed explanation-1: -In botany, the trunk (or bole) is the stem and main wooden axis of a tree, which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk is the most important part of the tree for timber production.

Detailed explanation-2: -Trees: the trees are the biggest plants. They have a hard stem called trunk. Branches grow out of the trunk far from the ground.

Detailed explanation-3: -The big and tall plants are trees, which possess very thick, hard, and woody stems known as the trunk. This trunk or the single main stem gives rise to several branches, which bear flowers, leaves, and fruits.