The stem is the main aerial part of the shoot system.
The stem bears different parts of the plants such as branches, leaves, buds, flowers, and fruits.
Functions:
Stem mainly helps in the upward movement of water and minerals that are absorbed by the roots and then transports them to the other parts of the plants such as leaves, flowers and fruits.
Stem provides support as well as protection to the plant and is also involved in the vegetative propagation of plants.