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dichogamy

[ dahy-kog-uh-mee ]

noun

  1. a dichogamous condition.


dichogamy

/ ˌdaɪkəʊˈɡæmɪk; daɪˈkɒɡəmɪ /

noun

  1. the maturation of male and female parts of a flower at different times, preventing automatic self-pollination Compare homogamy
“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
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Derived Forms

  • diˈchogamous, adjective
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Other Words From

  • nondi·choga·my noun
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Word History and Origins

Origin of dichogamy1

From the German word Dichogamie, dating back to 1860–65. See dicho-, -gamy
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Example Sentences

Dichogamy, dī-kog′a-mi, n. an arrangement for preventing the self-fertilisation of hermaphrodite flowers, the stamens and stigmas ripening at different times.—adj.

Dichogamy, in flowers, the condition in which anthers and stigmas ripen at different times, whereby self-pollination is effectually prevented.

It is comparatively rare in hermaphrodite flowers for self-fertilization to occur, and the various forms of dichogamy, dimorphism and trimorphism are fitted to prevent this.

Dichogamy is the commoner case.

In Sabbatia, the large-flowered species of Epilobium, and strikingly in Clerodendron, the dichogamy is supplemented and perfected by movements of the stamens and style, one or both, adjusted to make sure of cross fertilization.

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