1. Plant Roots

2. Types of Root Systems
Taproots
Fibrous
Seminal

3. Different Types of Roots
Buttress
Aerial
Pneumatophores

4. Root Development

5. Root Development

6. Monocot vs. Dicot Roots

7. Monocot Root Structure
Endodermis
Vascular
Cylinder
Cortex
Pith
(monocots
only)
Epidermis

8. Dicot Root Structure

9. Root Epidermis
Root hairs

10. Root Cortex

11. Vascular Cylinder Protoxylem Endodermis Metaxylem Cortex
Primary phloem

12. Xylem elongation

13. Pericycle

14. Secondary Roots

15. Specialized Roots
Root nodules
Contractile roots

16. Specialized Roots
Dodder (Cuscuta sp.) roots infecting host