1. Root Types

2. Tap Root 1 big primary root with much smaller secondary roots
Examples: dandelions, carrots, beets,
turnips, radishes, parsnips,
young oak, hickory, conifers
Can penetrate deeply into the soil = good for drought conditions & food storage

3. Tap Root

4. Fibrous Root Most common root type
Extensively branching roots; holds soil particles together (prevent erosion)
Examples: all grasses, many weeds & tree species

5. Fibrous Root

6. Adventitious (Prop) Root
Root that grow out from the stem
Provide mechanical support; help support a tree at its base
Example: corn
More common in tropical & subtropical areas

7. Adventitious (Prop) Root

8. Aerial Root
Roots that grow above ground & absorb moisture from the air or are meant to provide support for climbing
Example: epiphytes - orchids in
rainforest
Examples: English Ivy, Poison Ivy &
many other vines & creepers

9. Aerial Root

10. End.

11. Root Lab

12. Root Cross Section - central cylinder