Adventive embryony is a type of apomixis in which development of embryos directly from sporophytic tissues like nucellus and integuments takes place, e.g., in Citrus, mango, etc.

What is the origin of embryos in Adventive polyembryony?

In adventive polyembryony, embryos may develop from somatic nucellus or integuments along with normal zygotic embryo.

What are adventive embryos?

Adventive embryony is the process of the embryonic development without fertilization. The embryo does not develops from the reproductive cells or the gametes. They may develop from the nucellus or integumentary cells.