Diapositiva 1

1
UNIT4
The reproduction function
PARTS OF A TYPICAL FLOWER
Natural Science 2. Secondary Education
2
UNIT4
Parts of a typical flower
Corrola
Petal
Stamen
Gynoeciumor pistil
Androecium
Sepal
Click on androecium and gynoecium to find out more
Calyx
Natural Science 2. Secondary Education
3
UNIT4
Parts of a typical flower
The androecium

• It is made up of stamens. Each stamen has
• A filament to support the anther.
• An anther, where pollen grains develop. Male
  gametes form inside these grains.

Anther
Pollen grains
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Filament
Natural Science 2. Secondary Education
4
UNIT4
Parts of a typical flower
The gynoecium

• This is the female reproductive organ. It is
  shaped like a bottle.
• It has three parts
• Ovary the widest part, which contains the female
  gametes.
• Style the long part.
• Stigma the tip.

Stigma
Style
Ovary
Female gamete
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Natural Science 2. Secondary Education