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  • 1
    Electronic Resource
    Electronic Resource
    Cytoevolutionary patterns inRutaceae (1993)
    Springer
    Plant systematics and evolution 187 (1993), S. 1-28 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Rutaceae ; Cytoevolution ; chromosome base numbers ; dysploidy ; polyploidy ; cladistics ; gondwanan forests ; heathlands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Chromosome numbers for 9 tribes and 73 genera ofRutaceae are examined for the probable chromosome base numbers in these taxa. There is abundant dysploidy and infrageneric polyploidy in the largeRutoideae/Toddalioideae complex. We found that x = 18 was typical for the tribesZanthoxyleae andToddalieae; probably ancestral in theBoronieae and perhaps in theRuteae, Diosmieae, andCusparieae; and characteristic of subfamilyFlindersioideae. Considering the basic position of elements ofZanthoxyleae andToddalieae in the family it appears that diploid x = 18 is ancestral in theRutaceae. The morphologically advancedCitroideae are invariant for x = 9 and may be a product of dysploid reduction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994089
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