Abstract

ASESOR, Patricia N.  and  BULACIO, Eva. UNA NUEVA ESPECIE DE DIOSCOREA (DIOSCOREACEAE) PARA LAS YUNGAS DEL NOROESTE ARGENTINO. Darwiniana, nueva serie [online]. 2021, vol.9, n.2, pp.393-400. ISSN 0011-6793.  http://dx.doi.org/10.14522/darwiniana.2021.92.985..

Asesor, P. N. & E. Bulacio. 2021. A new species of Dioscorea (Dioscoreaceae) for the Yungas of northwestern Argentina. Darwiniana, nueva serie 9(2): 393-400.

A new species of Dioscorea endemic to the Yungas of the northwestern Argentina, is here described as Dioscorea ayardei. This new species is characterized by the presence of a single anther inserted in a navicular structure with three dendriform projections. The new species is morphologically similar to D. haumanii and both inhabit mountain areas at the Sierras of Calilegua in the Jujuy province. A description of D. ayardei, together with illustrations, a distribution map, habitat description, conservation assessment, a comparative table with the related species and a diagnostic comparison with D. haumanii is presented.

Keywords : Argentine Yungas; Dioscorea; Sierras de Calilegua; taxonomy.

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