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aga·mo·sper·my | \ (ˌ)ā-ˈga-mə-ˌspər-mē 
, ˈa-gə-mō-ˌspər- \
, ˈa-gə-mō-ˌspər- \Definition of agamospermy
: apogamy specifically : apogamy in which sexual union is not completed and the embryo is produced from the innermost layer of the integument of the female gametophyte
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The first known use of agamospermy was in 1944
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