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1. z Gynoecium
Pravin Pandurang Patil
M.Sc 126

2. z
Gynoecium.
1…Female reproductive part of the flower
2.. Innermost whorl of a flower
3… Terminating the thalamus
4… Composed of one or more carpels or
megasporophylls.

3. z Carpels
 Monocarpellary Gynoecium
 Example: Dolichous
 Polycarpellary Gynoecium
 Example: Hibiscus flower

4. z
Carpels
 Apocarpus: Carpels which
are free
 Example:Lotus
 Syncarpus: Carpels which
are fused
 Example: Datura

5. z
Parts Of Carpels
The typical Carpels consists of 3 parts
1.. Stigma
2…Style
3…Ovary

6. z
Stigma
 Receptive tip of the carpel
 Receive the pollen grain
 Usually placed on the style

7. z
Style
 Connects the ovary with stigma
 Tube structure that support stigma
 Allow pollen grain to travel to reach the egg

8. z Ovary
 Important parts of carpel
 Without ovary carpel is known as
sterile
 Ovary contain ovules which are
attached to placenta.

9. z
Placentation
 Placentation is the arrangement of ovule in
the ovary of the plants.

10. z

11. z
Marginal Placentation eg.Pea ,
Caesalpinia pulcherrima

12. z
Axile Placentation eg.Tomato , lemon .

13. z
Parietal Placentation eg.Muskmelon ,
Cucumber.

14. z
Basal Placentation.eg . Sunflower,
Marigold

15. z
Free Center Placentation eg. Dianthus,
Primrose

16. z
Superficial Placentation eg. Nymphaea .

17. z
Reference – College Botany Volume 1
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