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heterospory
(redirected from heterosporous)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
heterospory [‚hed·ə′räs·pə·rē]
(botany)
Development of more than one type of spores, especially relating to the microspores and megaspores in ferns and seed plants.
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In support of this hypothesis, heterosporous ferns generally have low base chromosome numbers.
Fern Genome Structure and Evolution by Nakazato, Takuya / American Fern Journal
Plants slender; sterile leaves dimorphic, ligulate; heterosporous 6.
Pteridophytes of southeast Alabama: Dichotomous keys, illustrations ... by Woods, Michael; Diamond, Alvin R., Jr / Journal of the Alabama Academy of Science
Perhaps the ultimate tool for addressing this question will be whole-genome sequences of homosporous and heterosporous ferns.
Evolutionary Genomic Analyses of Ferns Reveal that High Chromosome ... by Barker, Michael S. / American Fern Journal
 
 
 
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