Monoembryony
Encyclopedia
Monoembryony is when one and only one seedling emerges from a seed
. A seed giving two or more seedlings is polyembryonic. Some of the nuclear cells surrounding the embryo sac start and dividing protrude into the embryo sac and develop into embryos.
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...
. A seed giving two or more seedlings is polyembryonic. Some of the nuclear cells surrounding the embryo sac start and dividing protrude into the embryo sac and develop into embryos.