A New Species of Monrosia (Polygalaceae) from Argentina, and Revision of this Genus Endemic to the Southern Andes

Agustina Martinez; Juan Manuel Acosta; Michelle Mota; José Floriano Barêa Pastore

doi:10.1600/036364420X16033962925259

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Agustina Martinez,^1,* Juan Manuel Acosta,¹ Michelle Mota,² José Floriano Barêa Pastore³

¹Instituto de Botánica Darwinion, Labardén 200, C. C. 22, C. P. B1642HYD, San Isidro, Buenos Aires, Argentina
²Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Trindade, 88040-900, Florianópolis, Santa Catarina, Brazil
³Universidade Federal de Santa Catarina, Campus Curitibanos, Herbário CTBS, Rodovia Ulysses Gaboardi, Km 3, 89520-000 Curitibanos, Santa Catarina, Brazil

^*Author for correspondence (amartinez@darwin.edu.ar)

Abstract

The recently resurrected monotypic genus Monrosia (Polygalaceae) is endemic to the Argentinian provinces of Catamarca to San Juan in the southern Andes. We here describe and illustrate Monrosia sanjuanensis, a new species endemic to the province of San Juan and the second species of the genus, and revise the genus. Monrosia and its two species are described and analysed in a phylogenetic context, using nuclear and chloroplast DNA sequences. A distribution map, illustration, photos of the morphological structures of the two species, and taxonomic key are provided. We designate a lectotype for the name M. pterolopha.

Citation Download Citation

Agustina Martinez, Juan Manuel Acosta, Michelle Mota, and José Floriano Barêa Pastore "A New Species of Monrosia (Polygalaceae) from Argentina, and Revision of this Genus Endemic to the Southern Andes," Systematic Botany 45(4), 812-821, (8 December 2020). https://doi.org/10.1600/036364420X16033962925259

Published: 8 December 2020

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