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An overview of the fruit is shown at right. The sepals spread open, so you can see well the real shape of the fruit. A cross-section of the fruit shown in 5. You can see 6 green seeds. After fertilization, an ovule grows to become a seed. Now here is a lengthwise section of the fruit. You see the shape of the fruit and the inside appearance of each seed.

5 About 30 days after fertilization. The fruit grows more, and the sepals spread outside. 6 Later, the outer fruit coat of a green fruit dries and becomes light brown. After 50 days. The above 2 photographs show the inside of the fruit in 6. Inside the light brown fruit coat, the fruit is divided into three sections. Black seeds are present there.

--> Lengthwise sections of a green seed and a black seed. The folded object is the cotyledon. Notice the hypocotyl and the radicle (root in a seed) on the lower side of the cotyledons. The black seed is dry and dormant (sleeping).

A point of observation To observe the development of a seed, let's attach a label to show the day a flower opened. You will understand the process of seed growth if you label 4 or 5 flowers on a day when a lot of flowers open. Cut one of the labeled flowers each week, and study the inside.

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