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

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 t...

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Main Authors: Morales, Matias, Arenas, Luis, Remis, Maria Isabel, Wulff, Arturo Federico, Poggio, Lidia, Fortunato, Renee Hersilia
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: American Society of Plant Taxonomists 2019
Subjects:
Mimosoideae
Mimosa
Taxonomía
Citogenetica
Cromosomas
Taxonomy
Cytogenetics
Chromosomes
Mimosa diversipila
Online Access:http://www.bioone.org/doi/abs/10.1600/036364414X682166
http://hdl.handle.net/20.500.12123/5769
https://doi.org/10.1600/036364414X682166
Summary: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.

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