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[spawr-uh-fahyt, spohr-] /ˈspɔr əˌfaɪt, ˈspoʊr-/
noun, Botany
the form of a plant in the alternation of generations that produces asexual spores.
Compare gametophyte.
Origin of sporophyte
1885-90; sporo- + -phyte
Related forms
[spawr-uh-fit-ik, spohr-] /ˌspɔr əˈfɪt ɪk, ˌspoʊr-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sporophyte
  • The sporophyte is the dominant phase and the gametophyte is a microscopic phase.
  • Nearly every bryophyte can be identified without the sporophyte attached.
  • If homozygous lines can be generated, it will be possible to test for phenotypes in the sporophyte.
  • The sporophyte is directly attached to and nutritionally dependent upon the larger and longer-lived gametophyte.
  • They exist in their earliest life stages as spores, released with millions of others from the parent kelp, the sporophyte.
  • Only the sporophyte generations of mosses and ferns were recorded in this study.
British Dictionary definitions for sporophyte


/ˈspɔːrəʊˌfaɪt; ˈspɒ-/
the diploid form of plants that have alternation of generations. It develops from a zygote and produces asexual spores Compare gametophyte
Derived Forms
sporophytic (ˌspɔːrəˈfɪtɪk; ˌspɒ-) 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
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Word Origin and History for sporophyte

from comb. form of Greek spora "spore" (see spore) + -phyte.

Online Etymology Dictionary, © 2010 Douglas Harper
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sporophyte in Science
Among organisms which display an alternation of generations (such as plants, fungi, and certain algae), the individual diploid organism that produces spores. A sporophyte develops from an embryo resulting from the union of two gametes. Each of its cells has two sets of chromosomes, as opposed to the haploid gametophyte generation. See more at alternation of generations, gametophyte.

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