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Título

New chromosome counts in the genus Cousinia and the related genus Schmalhausenia (Asteraceae, Cardueae)

AutorSusanna de la Serna, Alfonso ; Garcia-Jacas, Núria ; Vilatersana, Roser ; Garnatje, Teresa ; Vallès, Joan; Ghaffari, Seyed Mahmood
Palabras claveArctium group
Carduinae
Compositae
Dysploidy
Karyology
Fecha de publicacióndic-2003
EditorBlackwell Publishing
CitaciónBotanical Journal of the Linnean Society 143(4): 411-418 (2003).
http://dx.doi.org/10.1111/j.1095-8339.2003.00231.x
ResumenTwenty chromosome counts are reported in the genus Cousinia and the monotypic genus Schmalhausenia, which are part of the Arctium group, from Armenia, Iran, Kazakhstan and Uzbekistan. Twelve are new and eight provide confirmation of scarce or disputable previous data. The correlation between karyological data, pollen type and molecular phylogeny is very close, and on this basis two main groups can be defined. One is the arctioid group, which comprises the genera Arctium and Schmalhausenia, and a small part of the genus Cousinia, with x = 18. The other is the genus Cousinia s.s., with a dysploid series ranging from x = 13-11. Some considerations on the chromosomal evolution in the group are made.
DescripciónThe definitive version is available at www.blackwell-synergy.com: http://dx.doi.org/10.1111/j.1095-8339.2003.00231.x.
URIhttp://hdl.handle.net/10261/5811
DOI10.1111/j.1095-8339.2003.00231.x
ISSN0024-4074
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