apomixis
Noun
Meaning
any of several kinds of reproduction without fertilization
Source: WordNetSynonyms
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Examples
Although apomixis may occur in some cultivars, rambutan, like lychee, is dependent upon insects for pollination.
Areas of divergent opinion include the treatment of Potentilla s.l. and Sorbus s.l.. Compounding the problem is that apomixis is common in several genera.
Apomixis mainly occurs in two forms: In gametophytic apomixis, the embryo arises from an unfertilized egg within a diploid embryo sac that was formed without completing meiosis.
In plants, apomixis may or may not involve parthenogenesis.