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Related to heterosporous: homosporous


 (hĕt′ər-ə-spôr′əs, hĕt′ə-rŏs′pər-əs)
Producing two types of spores differing in size and sex.

het′er·o·spo′ry n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Botany) (of seed plants and some ferns and club mosses) producing megaspores and microspores. Compare homosporous
ˌheterˈospory n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌhɛt əˈrɒs pə rəs, ˌhɛt ər əˈspɔr əs, -ˈspoʊr-)

having more than one kind of spore.
het`er•os′po•ry, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.heterosporous - characterized by heterospory
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References in periodicals archive ?
Calamitales, Salviniales), and even the pre-vascular rhyniophytoids have been proposed to be heterosporous (Taylor et al.
Megasporogenesis in heterosporous fern: features of the organelles in meiotic cells and young megaspores.
In heterosporous plants and seed plants, continued development of the gametophyte may take place within the spore wall resulting in an enclosed multicellular gametophyte, a process known as endospory.
2002.-Structure and function of spores in the aquatic heterosporous fern family Marsileaceae.