Question

Explain the role of the cork cambium in woody plants.

Short answer

Protection and secondary growth.

Step-by-step solution

Step-1 Introduction

Meristematic tissues are the type of tissues that contribute to the continuous growth and division of cells for plant growth. Based on their specialization and characteristics meristematic tissue are of three types:

• Dermal tissue: Mostly epidermal tissues or the outer layer

• Vascular tissue: transportation of water and minerals

• Ground tissue: support and protect the stem

Step-2 Explanation

The dermal tissue of the stem is mainly of the epidermis, a single layer of cells that protects the plant tissues. Cork cambiums are mainly lateral meristems that provide secondary growth to the plant and help in replenishing the damaged epidermis.

In woody plants, the tough, waterproof outer layer is known as bark which is made of cork cells derived from cork cambium. The cork in the stem protects the plant from damage like parasites, herbivory, and diseases.