self-fertilization
noun [ U ] biology specialized (UK usually self-fertilisation) uk/ˌself.fɜː.tɪ.laɪˈzeɪ.ʃən/ us/ˌself.fɝː.t̬ə.ləˈzeɪ.ʃən/
自株传粉，自花受精
the process in which a seed or egg starts developing into a new plant or animal after joining with a male cell from the same plant or animal, rather than a different one