Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole.
Which part of plant contains nodes and internodes?
Stems are characterized by the presence of nodes (the points of attachment for leaves or branches) and internodes (regions between nodes). Plant organs are made up of simple and complex tissues.
Which tissue is found in nodes and internodes?
- Intercalary meristems are found at the base of the stem or leaf internodes. It assists in the elongation and development of plants in the nodes and internodes of stems and leaves as well as in the longitudinal growth of stems, leaves and grasses.