![]() This tissue covers the stem and protects the underlying tissue. Epidermis: The epidermis is a single layer of cells that make up the external tissue of the stem called dermal tissue.Internally, it contains three basic types of tissues: D ermal tissue, Ground tissue, and V ascular tissue all of which are made of simple cells. The nodes give rise to the leaves and hold the buds which grow into branches. The stem divides into nodes and internodes. Anatomy of Dicotyledonous and Monocotyledonous Plants.Some stems are modified to carry out vegetative propagation which is a form of asexual reproduction seen in plants.īrowse more Topics under Anatomy Of Flowering Plants.Few green stems contain chloroplasts and are capable of carrying out photosynthesis as well.Some stems undergo modification to store food and water.Stems bear flowers and fruits in a position that facilitates the processes of pollination, fertilization, and dispersion of seeds.The xylem and phloem present in the vascular bundles of stems conduct water and minerals across the plant.The arrangement and position of leaves also allow for gas exchange. The stem allows the leaves to arrange in a way that they are able to receive direct sunlight in order to efficiently perform photosynthesis.It supports and holds leaves, flowers, and fruits.Few stems are also found underground and are considered to be stem modifications. It is the part of the plant that lies above the ground. A plant stem is one of the two main structural axes of a vascular plant.
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