Final demo. presentation

1. GOOD MORNING !!!!
WELCOME TO THE
WORLD
OF
FLOWERS

2. PRAYER……

3. ACKNOWLEDGEMENT:

4. Parts of a Complete Flower
and Its Function
FLOWER is not a single
organ, but is branch-bearing
and stemlike parts on a shoot
axis.
Flowers like other types of
twigs, develops from buds.
Flowers develop from flower-
buds or from mixed buds.

6. Pictures of a Flower:

8. Define what is a flower?
the seed-bearing part of a
plant, consisting of reproductive
organs (stamens and carpels)
that are typically surrounded by
a brightly colored corolla
(petals) and a green calyx
(sepals).

9. PARTS OF A COMPLETE
FLOWER
I. SEPALS
II. PETALS
III. STAMENS
IV. PISTIL

10. SEPALS
- is the outermost
layer of leaves
known as the
calyx, usually
green in color.
- Protect the inner
part of the flower
in the bud.

11. PETALS
- this circle of organs
lies inside the sepals
and is called
collectively the
corolla. Frequently
brightly in color and
secrete aromatic
substances.
- attract insects which
are necessary for
pollination.

12. STAMENS
- these floral
organs are
situated inside the
sepals.
- a stamen consists
of a stalk called
the filament with
a pollen-bearing
anther at its
apex.

13. PISTIL
- a structure in the
center of a flower.
The pistil is
composed of one
organ (simple pistil)
or of several
organs(compound
pistil). A pistil has a
base (ovary), with a
stalk (style) arising
from the ovary, and
a slight enlargement
(stigma) at the top
of the style.

14. Ovary
- the structure
that houses the
ovules of the
flower.
- Once this ovule
become
fertilized, they
then develop
into seeds.

15. Receptacle
- The enlarged
tip of a
stem that bears
the floral parts.

16. Quiz
Label each parts.
1.
4.
2.
5.
3.
6.

17. Answer key:

18. Assignment:
Next meeting please bring the
following:
1.Flowers with radical symmetry
( regular flowers)
2.Flowers with bilateral
symmetry(irregular flowers)
3.Hypogynous flower

19. CLASS ….THANK YOU
FOR COMING
AND
THANKYOU FOR LISTENING
TO OUR DISCUSSION
TODAY…….

21. Prepared by: