bigenericadj.
/ˌbʌɪdʒᵻˈnɛrɪk/, U.S. /ˌbaɪdʒəˈnɛrɪk/ 1. Botany. Resulting from a cross between plants of two different genera; designating such a cross.
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the world > plants > variety or species > [adjective] > hybrid
bigeneric1817
tetraphyletic1900
triphyletic1900
1817 Bot. Reg. 3 195 Although the plant is a mule of two species of different genera..the term ‘bigeneric hybrid’, in this instance, is more formal than essential.
1847 C. Darwin Let. 2 June in Corr. (1988) IV. 46 His single instance of a bigeneric cross in plants.
1885 Gardeners' Chron. 23 631/3 How will these bigeneric crosses affect the stability of the genera as at present circumscribed?
1964 Guardian 6 June 5/5 Bigeneric hybrids are plants whose parents belong to entirely separate genera..this type of cross seldom occurs in nature.
1998 Guardian 7 Oct. (Society section) 4/4 The hybrids were of great botanical importance because they were naturally bigeneric—of parents from two separate genera, a very rare occurrence in nature.
2. Chiefly Biology. Esp. of a taxonomic group or system: containing only two genera (or equivalent categories). Cf. monogeneric adj. at mono- comb. form 1.
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1950 Slavonic & East European Rev. 29 27 Though it is very far from being extinct yet, the ultimate lapse of the neuter conjures up the vision of a bigeneric system like that of some types of Baltic, Indo-Aryan (Indic), and Romance.
1965 Curr. Anthropol. 6 394/2 For the purposes of this discussion we are following the bigeneric subdivision of the Hominidae.
1980 Taxon 29 401 It is a remarkable indication of the disjunct nature of this Order that ten monogeneric families and one bigeneric family have been segregated from the Cornaceae as formerly understood.
2001 Amer. Jrnl. Bot. 88 1118/1 He rejected the traditional bigeneric classification system, recognizing instead eight genera.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online December 2021).
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adj.1817