macrogametophyten.
/ˌmakrəʊɡəˈmiːtə(ʊ)fʌɪt/, /ˌmakrəʊˈɡamᵻtəfʌɪt/, U.S. /ˈˌmækroʊɡəˈmidəˌfaɪt/ Botany.
= megagametophyte n.
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
1931 Bot. Gaz. 92 23 (heading) Development of the macrogametophyte and embryo of Daucus carota.
1938 G. M. Smith Cryptogamic Bot. II. vii. 193 The developing embryo of Selaginella always pushes deeply into the macrogametophyte by means of a suspensor.
1992 Genetica Polonica 33 297 The observed allozyme segregation in macrogametophytes of heterozygous trees.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1931