Abstract
The karyology ofCentaurea sect.Acrocentron is surveyed. 19 chromosome counts on 8 species are reported; those onC. acaulis, C. crocata, C. galianoi, C. pubescens, andC. malinvaldiana are new. The basic chromosome numbers of the section are x = 11 and x = 10. Karyological arguments have been used to show that evolution was from x = 11 to x = 10. This is supported by biogeographical data. Two main centres of diversification of sect.Acrocentron were studied from that point of view: the East and the Southwest Mediterranean region.
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Jacas, N.G., de la Serna, A.S. Karyological notes onCentaurea sect.Acrocentron (Asteraceae). Pl Syst Evol 179, 1–18 (1992). https://doi.org/10.1007/BF00938015
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DOI: https://doi.org/10.1007/BF00938015