Developement of gametophyte directly from spore mother cell without meiosis or cell division is called
Apogamy
Apospory
Apomictic
Apomixis
Apospory -
Development of gametophyte from any cell of the sporophyte other than haploid spores.
- wherein
Gametophyte is diploid in nature.
Apospory is formation of embryo sac from any cell of sporophyte with meiosis where gametophyte is diploid