Abstract
Abstract Karyotypes of five species of genus Arachis belonging to three sections are described for the first time. Section Trierectoides: A. tuberosa Bong. ex Benth. (2n=2x=20m), section Erectoides: A. douradiana Krapov. and W.C. Gregory (2n=2x=18m+2sm), section Procumbentes: A. subcoriacea Krapov. and W.C. Gregory (2n=2x=18m+2sm), A. appressipila Krapov. and W.C. Gregory (2.=2x=14m+6sm) and A. Vallsii Krapov. and W.C. Gregory (2n=2x=18m+2sm). Satellited chromosomes are analysed for all species. “A” chromosomes were not found in none of them. Chromosome and exomorphology data suggest that A. Vallsii merit to be exclude from section Procumbentes.
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