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Oct 12, 2010
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Language: en
Added: Oct 12, 2010
Slides: 18 pages
Slide Content
Flowers
Parts of a Flower
•These are the main parts of a flower.
Petals
•Petals attract insects and help to
protect the other parts of the flower.
Sepals
•Sepals protect the flower while it is
still a bud.
•Sepals are usually green or brown.
Nectary
•The nectaries make nectar.
•They are in the centre of the flower.
•Nectar is a sweet substance, which
insects drink to give them energy.
Carpel
•The carpel is the female part o the flower where seeds are
made.
•It has three parts: stigma, style and ovary.
–The stigma is sticky to catch the pollen.
–The style holds up the stigma.
–The ovary contains the ovules (or “eggs”).
FEMALE
Stamen
•The stamens are the male parts of the flower.
•Stamens make pollen.
•Pollen is a yellow powder that is needed to make a new plant.
•Each stamen has two parts: the anther and the filament:
–The anther produces the pollen.
–The filament holds the anther up.
MALE
Receptacle
•The receptacle is where the parts of
the flower are attached.
What’s this?
Nectary
•The nectaries make nectar.
•They are in the centre of the flower.
•Nectar is a sweet substance, which
insects drink to give them energy.
What’s this?
Carpel
Carpel
•The carpel is the female part o the flower where seeds are
made.
•It has three parts: stigma, style and ovary.
–The stigma is sticky to catch the pollen.
–The style holds up the stigma.
–The ovary contains the ovules (or “eggs”).
FEMALE
What’s this?
Stamen
Stamen
•The stamens are the male parts of the flower.
•Stamens make pollen.
•Pollen is a yellow powder that is needed to make a new plant.
•Each stamen has two parts: the anther and the filament:
–The anther produces the pollen.
–The filament holds the anther up.
MALE
What’s this?
Sepals
•Sepals protect the flower while it is
still a bud.
•Sepals are usually green or brown.
What’s this?
Receptacle
•The receptacle is where the parts of
the flower are attached.