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[ih-pij-uh-nuh s] /ɪˈpɪdʒ ə nəs/
adjective, Botany.
(of flowers) having all floral parts conjoint and generally divergent from the ovary at or near its summit.
(of stamens, petals, etc.) having the parts so arranged.
Origin of epigynous
First recorded in 1820-30; epi- + -gynous
Related forms
epigyny, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for epigynous
Historical Examples
  • These latter were classified according to whether the parts of the flower were hypogenous, perigynous, or epigynous.

  • In Umbelliferæ the epigynous condition is changed for the perigynous, &c.

    Vegetable Teratology Maxwell T. Masters
  • epigynous, borne apparently on the top of the ovary; all which is explained in Fig. 270-274.

  • epigynous (on the ovary) when so adnate that all these parts appear to arise from the very summit of the ovary, as in Fig. 274.

  • Stylopodium, an epigynous disk, or an enlargement at the base of the style.

British Dictionary definitions for epigynous


(of flowers) having the receptacle enclosing and fused with the gynoecium so that the other floral parts arise above it
Derived Forms
epigyny, noun
Word Origin
C19: from epi- + Greek gunē (female organ, pistil) + -ous
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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epigynous in Science
Having floral parts (such as the petals and stamens) attached to or near the upper part of the ovary, as in the flower of the apple, cucumber, or daffodil. Compare hypogynous, perigynous.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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