Noun
(botany) The formation of four haploid microspores by meiosis.
(botany) In angiosperms, the formation of pollen and thus the production of the male gametophyte.
Source: en.wiktionary.orgIt seems that when the Asparagales first diverged they developed simultaneous microsporogenesis, which the 'lower' Asparagale families retain. Source: Internet
Orchids have simultaneous microsporogenesis and inferior ovaries, two characters that are typical of the 'lower Asparagales'. Source: Internet
In successive microsporogenesis, walls are laid down separating the daughter cells after each division. Source: Internet
There are two kinds of microsporogenesis: successive and simultaneous (although intermediates exist). Source: Internet
While there may be a continuum with intermediate forms, the type of microsporogenesis has systematic significance. Source: Internet