Explain fertilization in flowering plant process by flow chart ?

Dear Student,

Fertilsation in flowering plants has been described below:

• In flowering plants during fertilization, pollens from male flower are dropped on the stigma of female flower.
• Inside the pollen grain, two pollen nuclei (male gametes) are formed which gradually enter inside the ovule through pollen tubes.
• In the ovule one male nucleus fuses with the egg cell to form zygote and other fuses with the two secondary nucleuses to form the endosperm.
• As the fertilization is taking place twice, it is known as double fertilization. 

Regards