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