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heterogony

American

[het-uh-rog-uh-nee] / ˌhɛt əˈrɒg ə ni /

noun

Biology.

the alternation of dioecious and hermaphroditic individuals in successive generations, as in certain nematodes.
the alternation of parthenogenetic and sexual generations.

heterogony British

/ ˌhɛtəˈrɒɡənɪ /

noun

biology the alternation of parthenogenetic and sexual generations in rotifers and similar animals
the condition in plants, such as the primrose, of having flowers that differ from each other in the length of their stamens and styles Compare homogony

"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

Other Word Forms

heterogonous adjective
heterogonously adverb

Etymology

Origin of heterogony

First recorded in 1865–70; hetero- + -gony

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Adaptations for Pollination of the Stigma 114 Close and Cross Fertilization, Anemophilous and Entomophilous 115Dichogamy and Heterogony 116� 2.

From Project Gutenberg

Heterogony, Heterogone, or Heterogonous, with stamens and pistil reciprocally of two sorts, 116.

From Project Gutenberg

Moreover, there are two arrangements for cross fertilization common to hermaphrodite flowers in various different families of plants, which have received special names, Dichogamy and Heterogony.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023