In citrus and mango varieties, some nucellar cells surrounding the embryo sac divide and protrude into embryo sac and develop into embryos, so that in such species each ovule contains many embryos. This phenomenon is referred to as

In many Citrus and Mango varieties some of the nucellar cells surrounding the embryo sac start dividing, protrude into the embryo sac and develop into the embryos. In such species each ovule contains many embryos. If the ovule contains many embryos, the phenomenon is referred to as polyembryony.Amphimixis is sexual reproduction.Polycarpic plants flower and set seeds many timesMonocarpic plants flower once produce seeds and die.