HORTICULTURE

Detailed explanation-1: -Collenchyma is a type of permanent tissue. It allows easy bending of plant parts without their breakage. It provides mechanical support to plants thus it provides flexibility to plants. It is present in leaf stalks below the epidermis.

Detailed explanation-2: -Collenchyma cells in vascular plants support growing parts due to flexible cellulosic walls, which lignify once growth has ceased.

Detailed explanation-3: -Collenchyma is a supporting tissue characteristic of the growing organs of many herbaceous and woody plants, and it is also found in stems and leaves of mature herbaceous plants, including those that are only slightly modified by secondary growth.