Monoembryony is the emergence of one and only one seedling from a seed. A seed giving two or more seedlings is polyembryonic. Some of the nuclear cells surrounding the embryo sac start dividing and protrude into the embryo sac and develop into embryos.[1]
References
- American Journal of Botany 98(10): 1613–1622. 2011. https://bsapubs.onlinelibrary.wiley.com/doi/epdf/10.3732/ajb.1100022