Artículo
Estudios cromosómicos en especies de hypochaeris l. (asteraceae, lactuceae) de Chile
Título alternativo | Cromosome studies in species of hypochaeris l. (asteraceae, lactuceae) from chile |
Autor/es | Baeza Perry, Carlos Marcelo
Cabezas, Carolina Terrab Benjelloun, Anass Stuessy, Tod Ruiz Ponce, Eduardo Negritto, María Urtubey, Estrella |
Departamento | Universidad de Sevilla. Departamento de Biología Vegetal y Ecología |
Fecha de publicación | 2007 |
Fecha de depósito | 2020-07-02 |
Publicado en |
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Resumen | The genus Hypochaeris (Asteraceae, Lactuceae) contains twelve species in Europe, three in Asia, and approximately
50 in South America. In this paper, we worked with mitotic chromosomes of three different species of ... The genus Hypochaeris (Asteraceae, Lactuceae) contains twelve species in Europe, three in Asia, and approximately 50 in South America. In this paper, we worked with mitotic chromosomes of three different species of Hypochaeris from Chile: H. acaulis, H. incana and H. scorzonerae. The species are very different in morphology and geographic distribution. The aim of this work was to compare the chromosome morphology of these species. We found that the chromosomes are different in size and morphology in H. acaulis (smaller than 6 μm and only chromosome 3 having a secondary constriction on the short arm). In H. incana and H. scorzonerae the chromosomes are very similar in size, and chromosomes 2 (on the long arm) and 3 (on the short arm) contain secondary constrictions. A tetraploid is reported for H. scorzonerae |
Cita | Baeza Perry, C.M., Cabezas, C., Terrab Benjelloun, A., Stuessy, T., Ruiz Ponce, E., Negritto, M. y Urtubey, E. (2007). Estudios cromosómicos en especies de hypochaeris l. (asteraceae, lactuceae) de Chile. Gayana Botánica, 64 (2), 245-249. |
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