What Is the Difference Between Perisperm and Pericarp?

The study of fruit anatomy gives us information about the different internal parts of a fruit. Perisperm is the nutritive material around the embryo sac seen in some seeds. Whereas, Pericarp is the fleshy part of the plant formed from the wall of the mature ovary.

What is the difference between pericarp and Testa?

The fruit is ripened ovary and the seed is ripened ovule. Outer integument of ovule develops into outer seed coat called testa. The ovary wall becomes the fruit wall or pericarp.

What is perisperm function?

Perisperm is the remnant of nucellus which are persistent. It encloses the embryo and provides nourishment to it in certain seeds. Endosperm is the tissue formed after double fertilisation. It surrounds, stores food and provide nourishment to the embryo in an angiosperm seed.