porogamyn.
/pɒˈrɒɡəmi/, /pɔːˈrɒɡəmi/, U.S. /pɔˈrɑɡəmi/ Botany.
Fertilization in which the pollen tube enters the ovule by the micropyle. Cf. chalazogamy n. at chalazogamic adj. Derivatives.
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porogamy1896
chalazogamy1902
1896 Bot. Gaz. 21 44 Ulmus, an intermediate condition between porogamy and chalazogamy.
1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) 631 The pollen tube may reach the micropyle and hence the embryo sac by traversing the cavity of the ovule at a point where it is commonly filled with mucilage (porogamy, Fig. 757).
1991 Bot. Gaz. 152 105/1 Our results reveal that porogamy and chalazogamy are alternative pathways in walnut flowers.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.1896