au·tog·a·my 
(ô-tŏgə-mē)
(ô-tŏgə-mē)n.
Self-fertilization, especially:
a. Fertilization of a flower by its own pollen.
b. The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.
au′to·gamic (ô′tō-gămĭk), au·toga·mous adj.