About Lesson
Structure and Function of Flower
Gynoecium (pistil)
Consists of carpels that form the female reproductive organ of the flower.
The carpel consists of the ovary, the style and the stigma.
The ovary contains ovules.
Types of ovary:
(a) Epigynous (Inferior) flower
The ovary occurs below other floral parts.
(b) Hypogynous (superior) flower
The ovary occur above other floral parts.
(c) Perigynous flower
The receptacle surrounds the ovary, with other floral parts arising around the ovary (“half-inferior ovary”).
The gynoecium can be of different types depending on the number of carpels.
(i) Monocarpous gynoecium has one carpel.
(ii) Polycarpous gynoecium has two or more carpels.
- Apocarpous gynoecium has free carpels.
- Syncarpous gynoecium has fused carpels.
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