Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay

As part of a review of wild peanut relatives in Paraguay, new botanical collections were conducted and specimens deposited in various herbaria and databases were re-examined. As an initial outcome of this review, specimens corresponding to Arachis microsperma Krapov., W. C. Greg. & Valls fro...

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Autores principales: Macchi Leite, Guillermina, Seijo, Guillermo
Formato: Artículo revista
Lenguaje:Inglés
Publicado: Instituto de Botánica del Nordeste 2025
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Acceso en línea:https://revistas.unne.edu.ar/index.php/bon/article/view/8079
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spelling I48-R154-article-80792025-05-29T23:06:16Z Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay Arachis microsperma y A. sesquijuga: Nuevos registros de parientes silvestres del maní para la flora de Paraguay Macchi Leite, Guillermina Seijo, Guillermo Arachis Paraguay wild peanut Arachis Paraguay maní silvestre As part of a review of wild peanut relatives in Paraguay, new botanical collections were conducted and specimens deposited in various herbaria and databases were re-examined. As an initial outcome of this review, specimens corresponding to Arachis microsperma Krapov., W. C. Greg. & Valls from the Arachis section and A. sesquijuga Valls, L. C. Costa & Custodio, of uncertain sectional location were identified. These two species, previously considered endemic to Brazil, are now added to the flora of Paraguay. Populations of A. microsperma, which were previously reported only from southern Mato Grosso do Sul, Brazil, significantly expand the distribution area, primarily within the Amambay and Concepción departments of the Paraguayan territory. Meanwhile, the population of A. sesquijuga in Amambay department represents the southernmost record to date for the species. En el marco de una revisión de los parientes silvestres del maní en Paraguay, se realizaron nuevas colecciones botánicas y se re-examinaron los ejemplares depositados en diferentes herbarios y bases de datos. Como resultado inicial de esta revisión, se identificaron especímenes que corresponden a Arachis microsperma Krapov., W. C. Greg. & Valls de la sección Arachis y A. sesquijuga Valls, L. C. Costa & Custodio, cuya asignación a una sección es aún incierta. Estas dos especies, previamente consideradas endémicas para Brasil, ahora se suman a la flora de Paraguay. Las poblaciones de A. microsperma, que hasta el momento eran reportadas solo del sur de Mato Grosso do Sul, amplían significativamente el área de distribución de la especie, ubicándose en su mayor parte en los departamentos Amambay y Concepción del territorio paraguayo. Por otro lado, la población de A. sesquijuga de Amambay se constituye en la más austral registrada hasta la fecha para la especie. Instituto de Botánica del Nordeste 2025-02-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unne.edu.ar/index.php/bon/article/view/8079 10.30972/bon.3418079 Bonplandia; Vol. 34 No. 1 (2025); 69-77 Bonplandia; Vol. 34 Núm. 1 (2025); 69-77 1853-8460 0524-0476 eng https://revistas.unne.edu.ar/index.php/bon/article/view/8079/7679 Derechos de autor 2025 Bonplandia http://creativecommons.org/licenses/by/4.0
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-154
container_title_str Revistas UNNE - Universidad Nacional del Noroeste (UNNE)
language Inglés
format Artículo revista
topic Arachis
Paraguay
wild peanut
Arachis
Paraguay
maní silvestre
spellingShingle Arachis
Paraguay
wild peanut
Arachis
Paraguay
maní silvestre
Macchi Leite, Guillermina
Seijo, Guillermo
Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
topic_facet Arachis
Paraguay
wild peanut
Arachis
Paraguay
maní silvestre
author Macchi Leite, Guillermina
Seijo, Guillermo
author_facet Macchi Leite, Guillermina
Seijo, Guillermo
author_sort Macchi Leite, Guillermina
title Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
title_short Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
title_full Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
title_fullStr Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
title_full_unstemmed Arachis microsperma and A. sesquijuga: New records of peanut wild relatives for the flora of Paraguay
title_sort arachis microsperma and a. sesquijuga: new records of peanut wild relatives for the flora of paraguay
description As part of a review of wild peanut relatives in Paraguay, new botanical collections were conducted and specimens deposited in various herbaria and databases were re-examined. As an initial outcome of this review, specimens corresponding to Arachis microsperma Krapov., W. C. Greg. & Valls from the Arachis section and A. sesquijuga Valls, L. C. Costa & Custodio, of uncertain sectional location were identified. These two species, previously considered endemic to Brazil, are now added to the flora of Paraguay. Populations of A. microsperma, which were previously reported only from southern Mato Grosso do Sul, Brazil, significantly expand the distribution area, primarily within the Amambay and Concepción departments of the Paraguayan territory. Meanwhile, the population of A. sesquijuga in Amambay department represents the southernmost record to date for the species.
publisher Instituto de Botánica del Nordeste
publishDate 2025
url https://revistas.unne.edu.ar/index.php/bon/article/view/8079
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AT seijoguillermo arachismicrospermaandasesquijuganewrecordsofpeanutwildrelativesforthefloraofparaguay
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