• synonyms


noun Botany, Mycology.
  1. the asexual development of a sporophyte from a cell or cells of the gametophyte other than the egg.
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Origin of apogamy

First recorded in 1875–80; apo- + -gamy
Related formsap·o·gam·ic [ap-uh-gam-ik] /ˌæp əˈgæm ɪk/, a·pog·a·mous, adjectiveap·o·gam·i·cal·ly, a·pog·a·mous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for apogamy

Historical Examples

  • Other names for indiscriminate isolation are separate breeding and apogamy.

    The Making of Species

    Douglas Dewar

  • Isolation, then, is a genus, of which Apogamy and Homogamy are species.

  • Apogamy, of course, answers to indiscriminate isolation, or separate breeding.

British Dictionary definitions for apogamy


  1. a type of reproduction, occurring in some ferns, in which the sporophyte develops from the gametophyte without fusion of gametes
  2. the development of a diploid cell in the embryo sac of flowering plants into an embryo without being fertilized
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Derived Formsapogamic (ˌæpəˈɡæmɪk), adjectiveapogamous, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012