In this article we will discuss about the anatomical structure of some dicotyledonous stems that show secondary growth. 1. Anatomy of Bignonia Stem (Fig. 7.4): The following tissue layers are seen in the T.S. of the stem: 1. Epidermis: It is uniseriate and cuticularised. It is wavy in outline. 2. Cortex: It is parenchymatous and […]