Meaning of HETEROSPORY in English

ˈ ̷ ̷ ̷ ̷rōˌspōrē, ˌ ̷ ̷ ̷ ̷ˈräspərē noun

( -es )

Etymology: heter- + -spory

1. : the production of asexual spores of more than one kind

2. : the development of microspores and megaspores in some ferns and fern allies and in all seed plants — opposed to homospory

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.