The part of the flower that protects the seeds is the ovary of the pistil.
its develops from the floor and it contains from the flower
What protects young flowers and leaves? The petals do. They protect them from storms and insects.
The fruit of the plant holds and protects the seeds. The seed coat initially and later when the ovary ripens, the fruit protects the seed.
Fruit
A seed is usually encased in what is called a seed coat or testa. The testa protects the seed embryo and at the same time is thin enough to allow the food endosperm to easily escape it.
Seed pod
A swelled ovary.
The pistil
seed
The reproductive part that forms after the flower has been pollinated.
the ovary
The seed