heterogony

[ het-uh-rog-uh-nee ]

noun

, Biology.

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

heterogony

/ ˌhɛtəˈrɒɡənɪ /

noun

1. biology the alternation of parthenogenetic and sexual generations in rotifers and similar animals
2. 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

Derived Forms

• ˌheterˈogonous, adjective
• ˌheterˈogonously, adverb

Word History and Origins

Origin of heterogony¹

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

Example Sentences

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