Comparison of Rhizome and Root

Comparison of Rhizome and Root

Rhizome Root
The elongated, horizontal thick, and the fleshly underground stem is called a rhizome. The cylindrical plant organ without chlorophyll, growing towards gravity is called root.
Rhizomes mostly grow parallel or horizontal to the ground. Roots grow downward to the ground.
Rhizomes are always underground. Roots are underground as well as aerial. In some plants, aerial roots are also present.
Rhizomes are present in few plants. Roots are present in all plants.
The function of the rhizome is to anchor plants and store food but never absorbs water. The function of the root is to anchor the plant and absorb water. Some roots store food.
It has nodes and internodes. Roots are without nodes and internodes.
Root caps are absent. It has root caps at the edges.
Scale leaves with buds in their axil are present at every node. Leaves and buds are absent in roots.
These develop from axillary buds and develop aerial shoots or leaves. Roots never bear leaves even they come to the ground.
Example: Ginger Example: All plants