Plant parts and roots

2. •External Structure of the Plant – Parts of
the plant on the outside.
•The Root
 Types of Root Systems
 Functions of the Root System
 Specialized Root Systems

3. MAIN ROOT
LATERAL
OR SIDE
ROOT
ROOT
SYSTEM
LEAF
STEM
FLOWER
FRUIT
NODE
NODE
NODE
INTER-
NODE
TERMINAL BUDAXILLARY
BUD
SHOOT
SYSTEM

4. The Shoot System is
found
ground and the Root System
is found
ground.
ABOVE
BELOW or UNDER

5. Looks like a
tangled mass
of roots
Examples of plants
With this root
system are
 Banana
 Coconut
 Rice
 Corn
 Sugar Cane
A
l
l


G
r
a
s
s
e
s

6. Have a large main
central root
Have many branching
roots
Go deep in the soil
Examples of plants :
 Large trees e.g.
mango, avocado
 Shrubs e.g. tomato,
peppers

7. Plant attaches itself to
tree branch or
telephone wire
Roots hang down in
mid-air and absorb
water from rainfall
Examples :
Wild Pine
Some Orchids

8. STILT
ROOTS
e.g.
Mangrove

9. PROP
ROOTS
e.g.
Corn

10. ADVENTITIOUS Roots -
Grow from unusual places on plants such as
- Stems, leaves and even fruits

11. Roots :
- anchor plants firmly in the ground
- absorb water and minerals
from the soil
- of some plants,
can store starch
- of some plants can
be used to grow
a new plant

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