In Plants That Undergo Double Fertilization, The Structure That Forms To Nourish The Seed Is Called The. Which term is the name of the diploid stage of the plant life cycle? Double fertilization or double fertilisation (see spelling differences) is a complex fertilization mechanism of angiosperms.

The pollen tube bursts and releases two male gametes in the embryo. In plants that undergo double fertilization, the structure that forms to nourish the seed is called the endosperm. This process involves the fusion of a female gametophyte or.