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الهيدرا - الجنسي الهيدرا -التكاثر الجنسي التكاثر

The Carpel

The Stamen

HibisicusHibisicus

Development of the Embryo Sac

The Carpel With a Mature Embryo Sac will The Carpel With a Mature Embryo Sac will appear as shown belowappear as shown below::

Double Fertilisation

There are 2 types of seeds. Some are There are 2 types of seeds. Some are endospermicendospermic while others while others areare non-endospermic. non-endospermic. InIn endospermic seeds the food reserve is endospermic seeds the food reserve is the endosperm, which is outside the plant embryo. Examples of this the endosperm, which is outside the plant embryo. Examples of this type of seed are maize and wheat. Non-endospermic seeds have type of seed are maize and wheat. Non-endospermic seeds have food reserve within the cotyledon(s) of the plant embryo. This food reserve within the cotyledon(s) of the plant embryo. This occurs in broad beans. occurs in broad beans.

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