fusion of sperm to egg plasma membrane involved in double fertilization forming a zygote and endosperm
The binding and fusion of a sperm, with the plasma membrane of the oocyte as part of the process of double fertilization forming a zygote and endosperm.
GO:0022412
cellular process involved in reproduction in multicellular organism
is_a
GO:0009567
double fertilization forming a zygote and endosperm
part_of