Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/86028
Type: Artigo de periódico
Title: Chromosome Numbers And Karyotypes Of Catasetum Species (orchidaceae)
Author: De Oliveira V.M.
De Barros F.
Forni-Martins E.R.
Abstract: Mitotic chromosomes of 12 species of Catasetum were assessed to contribute with the karyotypic study of the subtribe Catasetinae (Orchidaceae), expanding the knowledge of this group in terms of chromosomes and supporting its taxonomic and evolutionary analysis. The species are maintained in cultivation in the greenhouse of the Department of Plant Biology/IB/UNICAMP and in the "Orquidário Frederico Carlos Hoehne" of the Botanical Garden of São Paulo. Chromosome counts ranged from 2n = 54 to 2n = 108. Karyotypes were prepared for all species studied, in which there was a predominance of metacentric chromosomes and some submetacentric ones. The chromosome size ranged from 0.5 to 4.9 μm, the total chromosome length ranged from 34.7 to 78.7 μm and the asymmetry index TF% ranged from 21.2 to 42.3. The results obtained so far favor the taxonomy of the genus, allowing to distinguish species with very similar external morphology. © 2013 Societá Botanica Italiana.
Editor: Taylor and Francis Ltd.
Rights: fechado
Identifier DOI: 10.1080/11263504.2013.788093
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84902650753&partnerID=40&md5=7fc9fca8aabfcec95be9840be5b8b9cc
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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