Rhizome

Definition

Rhizome is a horizontal underground stem that often sends out roots and shoots from its nodes. It serves as a storage organ and helps plants survive in adverse conditions.

5 Must Know Facts For Your Next Test

1. Rhizomes serve as storage organs for nutrients and energy.
2. They allow vegetative reproduction, enabling plants to spread efficiently.
3. Many grasses, ferns, and perennial flowers utilize rhizomes.
4. Rhizomes can give rise to new shoots that emerge above ground.
5. They are different from roots in that they have nodes, internodes, and can produce leaves.

Review Questions

• What is the primary function of a rhizome?
• How do rhizomes contribute to plant reproduction?
• Name two types of plants that commonly use rhizomes.

Related terms

Tuber: A thickened underground part of a stem or rhizome used for storage of nutrients.

Stolon: A horizontal above-ground stem that takes root at various intervals to form new plants.

Bulb: A rounded underground storage organ consisting of a short stem surrounded by fleshy scale leaves or leaf bases.