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Abstract:

Meiotic or mitotic chromosomes of eleven species of angiosperms native in Argentina, belonging to seven families, were studied in order to be used in cytotaxonomic studies and gain some insights on the evolutive relationships of the different groups. Most of our data were the first cytological information for the species. The genus Alvaradoa Liebm. was investigated cytologically for the first time. The novel karyologically studied species, all diploid, were: Bomarea macrocephala Pax and Bomarea stans Kränz. 2n = 18, Loasa bergii Hieron. 2n = 26, Alvaradoa subovata Cronquist 2n = 16, Schizanthus grahamii Gillies 2n = 20, Viola montagnei Gay and Viola roigii Rossow 2n = 14. The same numbers to the ones previously reported in the literature were found from different populations of Cajophora chuquitensis (Meyen) Urb. & Gilg. 2n = 18, Ramorinoa girolae Speg. 2n = 20, and Schizanthus grahamii Gillies 2n = 20. The presence of supernumerary chromosomes, 0 to 6, in Ligaria cuneifolia (Ruiz & Pav.) Tiegh., 2n = 20, was recorded. Data are compared with previously published results and chromosome figures of all studied species are provided. © 2005 Taylor & Francis Group, LLC.

Registro:

Documento: Artículo
Título:Chromosomes of some argentine angiosperms and their taxonomic significance
Autor:Mariel, S.A.; Seo, M.N.
Filiación:CONICET. Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto de Botánica Darwinion, San Isidro, Argentina
Palabras clave:Alvaradoa; Argentine angiosperms; Bomarea; Chromosomes; Loasa; Schizanthus; Viola; Alvaradoa; Bomarea; Bomarea macrocephala; Cajophora chuquitensis; Ligaria cuneifolia; Loasa; Loasa bergii; Magnoliophyta; Ramorinoa girolae; Schizanthus; Schizanthus grahamii; Violaceae
Año:2005
Volumen:58
Número:2
Página de inicio:171
Página de fin:177
DOI: http://dx.doi.org/10.1080/00087114.2005.10589447
Título revista:Caryologia
Título revista abreviado:Caryologia
ISSN:00087114
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00087114_v58_n2_p171_Mariel

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Citas:

---------- APA ----------
Mariel, S.A. & Seo, M.N. (2005) . Chromosomes of some argentine angiosperms and their taxonomic significance. Caryologia, 58(2), 171-177.
http://dx.doi.org/10.1080/00087114.2005.10589447
---------- CHICAGO ----------
Mariel, S.A., Seo, M.N. "Chromosomes of some argentine angiosperms and their taxonomic significance" . Caryologia 58, no. 2 (2005) : 171-177.
http://dx.doi.org/10.1080/00087114.2005.10589447
---------- MLA ----------
Mariel, S.A., Seo, M.N. "Chromosomes of some argentine angiosperms and their taxonomic significance" . Caryologia, vol. 58, no. 2, 2005, pp. 171-177.
http://dx.doi.org/10.1080/00087114.2005.10589447
---------- VANCOUVER ----------
Mariel, S.A., Seo, M.N. Chromosomes of some argentine angiosperms and their taxonomic significance. Caryologia. 2005;58(2):171-177.
http://dx.doi.org/10.1080/00087114.2005.10589447