Tap root system

Definition

A tap root system is characterized by a single, thick primary root that grows deep into the soil. Secondary roots may branch off from this main root but are generally smaller and less dominant.

5 Must Know Facts For Your Next Test

1. Tap root systems are commonly found in dicotyledonous plants.
2. They provide strong anchorage and access to deep water sources.
3. Examples of plants with tap roots include carrots, dandelions, and radishes.
4. Tap roots can store nutrients, making them important for perennial plants during dormant periods.
5. The primary root in a tap root system continues to grow downward while secondary roots spread out.

Review Questions

• What type of plants typically have a tap root system?
• How does a tap root system benefit a plant in terms of water access?
• Name three examples of plants that exhibit a tap root system.

Related terms

Fibrous Root System: A type of root system where numerous thin roots grow from the base of the stem without a dominant central root.

Root Cap: A structure at the tip of a plant root that protects the growing tip and aids in soil penetration.

Lateral Roots: Smaller roots that extend horizontally from the primary or taproot to increase surface area for absorption.