Epidermal Tissue System in Plants Leaf Structure and Epidermis(image credits: wikimedia) 1. The outer covering of the Plant body is formed of Epidermal Tissue system. 2. The epidermal tissue system is composed of ⅰ epidermal cells, ⅱ stomata and ⅲ edidermal appendages (trichomes and hairs). 3. Epidermis: The outermost layer of the primary plant body is called epidermis. 4. The