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Definition of Heterospory
1. Noun. The development of both microspores and megaspores.
Definition of Heterospory
1. [n -RIES]
Medical Definition of Heterospory
1.
Lexicographical Neighbors of Heterospory
Literary usage of Heterospory
Below you will find example usage of this term as found in modern and/or classical literature:
1. Principles of Botany by Joseph Young Bergen, Bradley Moore Davis (1906)
"heterospory arose in the pteridophytes with the establishment of two sizes of
spores, ... heterospory and the independence of the sporophyte are the chief ..."
2. Principles of Botany by Joseph Young Bergen, Bradley Moore Davis (1906)
"heterospory arose in the pteridophytes with the establishment of two sizes of
spores, ... heterospory and the independence of the sporophyte are the chief ..."
3. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"heterospory AND THE SEED-HABIT. THE theme of this book has been the origin ...
The earlier step was the introduction of heterospory, which results only in ..."
4. Elementary Botany by George Francis Atkinson (1898)
"This production of two kinds of spores by isoetes, selaginella, and some of the
other fern plants is heterospory, or such plants are said to be ..."
5. The Evolution of Sex in Plants by John Merle Coulter (1914)
"In fact, heterospory made seed plants possible. That large spores should produce
... The effect of heterospory upon the gametophytes is seen not only in the ..."
6. Science by American Association for the Advancement of Science (1898)
"195. instance, from the standpoint of evolution, the appearance of heterospory
among the pteridophytes is one of the most important contributions to plant ..."
7. The New International Encyclopædia edited by Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby (1903)
"heterospory is one of the most important phenomena in connection with the evolution
of the plant kingdom, since through it the seed has appeared, ..."
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