Plz explain detail about apomixis .Explain the formation of zygote in this process without fertilizatin

Hi,
Apomixis is an natural phenomenon where the plants of some families produces seeds with out fertiliztion.
Its is an imitation type of fertilization.
Some of the outer embyonic cells protrude and become seeds in diploid stage but exactly they are not seeds.
This phenomenon involves more cells like this which is called poly embryony.
The sentences given in pg38 and 39 are clear.

It is a type of asexual reproduction which mimic sexual reproduction . It is of different type like integumentry