Roots • Roots anchor plant in soil, absorb

minerals & water, & store food– fibrous roots (1)

• mat of thin roots that spread out• monocots

– tap roots (2)• 1 large vertical root • also produces many small lateral,

or branch roots • dicots

– root hairs (3)• increase absorptive

surface area2

1

3

MAIN ROOT

LATERALOR SIDE

ROOTROOT

SYSTEM

LEAFSTEM

FLOWER

FRUIT

NODE

NODE

NODE

INTER-NODE

TERMINAL BUDAXILLARYBUD

SHOOTSYSTEM

The Shoot System is

found

ground and the Root System

is found

ground.

ABOVE

BELOW or UNDER

Looks like a tangled massof rootsExamples of plantsWith this root system are Banana Coconut Rice Corn Sugar Cane

All

G

rass

es

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

Plant attaches itself totree branch or telephone wire

Roots hang down in mid-air and absorb water from rainfall

Examples :Wild PineSome Orchids

STILT ROOTS

e.g.Mangrove

PROPROOTS

e.g.Corn

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

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

Vascular tissue in stemsdicot

trees & shrubsmonocotgrasses & lilies

collect annual rings

Putting it all together

• Obtaining raw materials– sunlight

• leaves = solar collectors

– CO2• stomates = gas exchange

– H2O• uptake from roots

– nutrients• uptake from roots