What is <em>Astragalus wiesneri</em>? Disentangling a new species from its relatives in section <em>Anthylloidei</em>

Amir H.  Pahlevani; Ali Asghar  Maasoumi; Shahrokh  Kazempour-Osaloo

doi:10.3989/ajbm.2573

Autores/as

Amir H. Pahlevani Department of Botany, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO) https://orcid.org/0000-0001-6827-7100
Ali Asghar Maasoumi Research institute of Forests and Rangelands https://orcid.org/0000-0002-0134-4986
Shahrokh Kazempour-Osaloo Department of Plant Biology, Faculty of Biological Sciences, Tarbiat Modares University https://orcid.org/0000-0002-6275-1673

DOI:

https://doi.org/10.3989/ajbm.2573

Palabras clave:

Biodiversity, Fabaceae, flora de Irán, Montes Zagros, Región Irano-Turaniana, taxonomía, suroeste asiático

Resumen

Se describe e ilustra una nueva especie alpina de Irán, perteneciente a Astragalus sect. Anthylloidei. Astragalus wiesneri sp. nov., una especie hasta ahora desconocida, crece en las zonas altas del Monte Bul al sur de los Montes Zagros. La nueva especie se comparó con especies afines incluyendo A. nigrohirsutus y A. lalesarensis, también endémicas de Irán. Además del examen morfológico, se construyó una matriz de datos moleculares representando 21 especies (22 especímenes) de A. sect. Anthylloidei y 10 especies de otras secciones del género que incluyen arbustos almohadillados espinosos. Se realizaron análisis filogenéticos de secuencias de la región ITS del ADN ribosómico nuclear. Los análisis moleculares indican que A. wiesneri es hermana de A. nigrohirsutus, una especie con la que vive en simpatría. La descripción morfológica de A. wiesneri va acompañada de un mapa de distribución, información ecológica, imágenes de campo, estado de conservación y comentarios relevantes.

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