Abstract
Vicia sativa L. s. l. is presented as a variable complex consisting of 7 subspecies, including wild types, weedy races and cultivated derivatives. The group is characterized by: (a) Decreasing aneuploid (dysploid) chromosome series (2n = 14 12 10,); (b) wide variation in karyotypes; (c) pronounced weediness and colonization of disturbed habitats; (d) cohabitation of several forms; (e) intergradations between the main morphological types; (f) predominance of self-pollination; (g) lack of full sterility between the main chromosome types. Plants with different chromosome numbers or different karyotypes are loosely interconnected by occasional hybridization, particularly in disturbed habitats. Colonization appears to be associated with reticulate evolution and the recombination of previously separated gene pools. The wide karyotypic polymorphism characteristic for this complex is interpreted as a result of such relatively recent processes.
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Zohary, D., Plitmann, U. Chromosome polymorphism, hybridization and colonization in theVicia sativa group(Fabaceae) . Pl Syst Evol 131, 143–156 (1979). https://doi.org/10.1007/BF00984128
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DOI: https://doi.org/10.1007/BF00984128