metaxenian.
/ˌmɛtəˈziːnɪə/, /ˌmɛtəˈzɛnɪə/, U.S. /ˌmɛdəˈziniə/ Botany.
The effect of pollen on parts of the seed and fruit other than the embryo and endosperm.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > pollen and related parts > effect on parts other than embryo and endosperm
metaxenia1928
1928 W. T. Swingle in Jrnl. Heredity 19 263/1 In order to be able to refer to this newly discovered action of pollen on the ovarial tissues of the mother plant..I proposed at Phoenix, Arizona, in February, 1926, the term metaxenia to designate the action of the male parent on tissues of the mother plant outside of the embryo and endosperm.
1949 C. D. Darlington & K. Mather Elements of Genetics 426 Xenia, the effect of more distantly related, as contrasted with more closely related, pollen on the maternal tissue of a fruit... Metaxenia has been used for true xenia.
1973 M. C. F. Proctor & P. Yeo Pollination of Flowers xi. 351 The pollinations which produce larger seeds yield dates with more flesh (i.e. maternal tissue), the pollen having influenced the flesh indirectly (‘metaxenia’) through its direct genetic effect (xenia) on the seed.
1994 Ecol. Entomol. 19 271 Raspberries though moderately self-fertile may exhibit metaxenia.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1928