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Flowers the reproductive structures of plants

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Presentation on theme: "Flowers the reproductive structures of plants"— Presentation transcript:

1 Flowers the reproductive structures of plants
Original by Libby Astrachan Modified by Georgia Agriculture Education Curriculum Office- July 2004

2 4 parts of a plant Roots Stems Leaves
Reproductive (includes flowers and fruits)

3 Flowers have 4 different parts
Sepals Petals Stamens Pistil

4 Pedicel The flower stem

5 The place on the stem where floral organs attach and originate.
Receptacle The place on the stem where floral organs attach and originate.

6 Sepals Usually green; leaflike structures that protect the flower, as it forms and emerges.

7 Sometimes sepals are colorful

8 Calyx The group of sepals on a flower

9 Petals Located just inside the sepals
Leaf-like and often very colorful Attract pollinators

10 The collection of petals on a flower
Corolla The collection of petals on a flower

11 Perianth The sepals and the petals of a flower. (Not the reproductive parts.)

12 Tepals When there is no clear distinction between the sepals and the petals...they are called “tepals”.

13 The reproductive parts
Found at the center of the flower

14 Stamens Male reproductive parts of a flower
Arranged around the female parts

15 Anther Part of the stamen Produces and holds pollen

16 Stalk that holds up the anther
Filament Stalk that holds up the anther

17 The female part of the flower
Pistil The female part of the flower

18 Stigma Found at the end of the pistil
Has a sticky surface to catch pollen

19 Style The neck of the pistil

20 Ovary Part of the pistil that contains the ovules

21 Ovule The part of the flower in which the eggs are produced and seeds develop

22 Sepals, petals, stamens and pistil
Complete flowers Have all 4 basic parts: Sepals, petals, stamens and pistil

23 Incomplete flowers Flowers that are missing one of the four basic parts

24 Flowers that have both male and female parts
Perfect Flowers Flowers that have both male and female parts

25 Flowers that lack one of the sex structures
Imperfect flowers Flowers that lack one of the sex structures


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