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Type: Artigo de periódico
Title: Chromosome studies of some Thinouia species (Sapindaceae) and the taxonomic implications
Author: Urdampilleta, JD
Ferrucci, MS
Forni-Martins, ER
Abstract: The karyotypes of three species of the genus Thinouia (Sapindaceae, Paullinieae) from southern Brazil and Bolivia are analyzed. New counts and karyotypes are reported for the first time for T ventricosa and T paraguayensis, both with 2n = 28. The karyotype formulae of T mucronata, T paraguayensis and T. ventricosa are 8m + 14sm + 6st, 10m + 8sm + 10st, and 14m + 4sm + 10st, respectively. In all the species investigated, the prophase chromosome condensation was always proximal and the pattern of the interphase nuclei was non-reticulate. These results are discussed in relation to previous chromosome studies for Paullinieae in order to infer the phylogenetic relationships within the tribe.
Subject: cytotaxonomy
interphase nuclei
Country: Finlândia
Editor: Finnish Zoological Botanical Publishing Board
Rights: embargo
Date Issue: 2008
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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