microgametophyten.
/ˌmʌɪkrə(ʊ)ɡaˈmiːtə(ʊ)fʌɪt/, U.S. /ˈˌmaɪkroʊɡəˈmidəˌfaɪt/ Botany.
A gametophyte that develops from a microspore; a male gametophyte.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > types of
acrogen1834
endophyte1835
oophore1875
zygophyte1885
oophyte1886
microgametophyte1907
megagametophyte1915
macrogametophyte1931
1907 Amer. Naturalist 41 360 In our material of Agathis the protoplasm is unfortunately very much shrunken..but this fortunately does not interfere with the understanding of the general conditions present in the microgametophyte.
1938 G. M. Smith Cryptogamic Bot. II. v. 132 Microgametophytes of other genera also have but one vegetative cell.
1959 A. S. Foster & E. M. Gifford Compar. Morphol. Vascular Plants viii. 161 Early stages in formation of the microgametophytes [in Selaginella] begin while the microspores are still within the microsporangium.
1994 Amer. Jrnl. Bot. 81 1531 These results indicate that microgametophyte competition in both domesticated and free-living Cucurbita gynoecia could be a significant component of gene flow dynamics.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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