Morphometric and Cytogenetic Studies in Mimosa diversipila (Mimosoideae, Leguminosae) and Their Taxonomic and Evolutionary Inferences

Matías Morales; Luis Arenas; María Isabel Remis; Arturo F. Wulff; Lidia Poggio; Renée H. Fortunato

doi:10.1600/036364414X682166

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Matías Morales,^1,2,3,* Luis Arenas,⁴ María Isabel Remis,⁵ Arturo F. Wulff,^2,5 Lidia Poggio,^2,5 Renée H. Fortunato^1,2,3

¹1Facultad de Agronomía y Ciencias Agroalimentarias, Universidad de Morón, Cabildo 134, (B1708JPD), M
²2Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
³5Instituto de Recursos Biológicos, Centro de Investigación en Recursos Naturales, Instituto Nacional
⁴3Facultad de Economía y Administración, Universidad del Comahue, Neuquén, Argentina.
⁵4Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universid

^*Author for correspondence (mmorales0007@gmail.com, mmorales@cnia.inta.gov.ar)

Abstract

Here we describe the morphological variability, chromosome number, and chromosome size in Mimosa diversipila. This species comprises two varieties, which are distinguished by the indumentum. However, this character is insufficient for circumscription of these infraspecific taxa. Using multivariate techniques, we found that quantitative characters were useful for identification of the varieties, which also have a different geographic distribution. Cytogenetic studies revealed that these taxa form a polyploid complex and that the polyploidy may contribute to the morphological variability observed.

Citation Download Citation

Matías Morales, Luis Arenas, María Isabel Remis, Arturo F. Wulff, Lidia Poggio, and Renée H. Fortunato "Morphometric and Cytogenetic Studies in Mimosa diversipila (Mimosoideae, Leguminosae) and Their Taxonomic and Evolutionary Inferences," Systematic Botany 39(3), 875-883, (1 July 2014). https://doi.org/10.1600/036364414X682166

Published: 1 July 2014

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