Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina
Background and aims: Dioscorea is the most morphologically diverse, species-rich and widely distributed genus of the family Dioscoreaceae. Dioscorea trifurcata is a poorly known species with two specimens collected in 1910 and 1916 in Catamarca province, Argentina. But, recently the species was cite...
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Sociedad Argentina de Botánica
2024
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/BSAB/article/view/43115 |
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I10-R325-article-431152024-03-28T23:23:56Z Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina Redescubrimiento de Dioscorea trifurcata (Dioscoreaceae) a más de cien años de su última recolección en Argentina Asesor, Patricia N. Bulacio, Eva Demaio, Pablo H. Bosque Montano Brasil Dioscorea Dioscoreaceae endemismo Yungas Brazil Dioscorea Dioscoreaceae endemism Montane Forest Yungas Background and aims: Dioscorea is the most morphologically diverse, species-rich and widely distributed genus of the family Dioscoreaceae. Dioscorea trifurcata is a poorly known species with two specimens collected in 1910 and 1916 in Catamarca province, Argentina. But, recently the species was cited for Brazil, and populations were located near the type locality. With new collections available, the purpose of the article is to update aspects of the morphology, habitat and distribution of D. trifurcata. M&M: Specimens newly collected in Catamarca province were analyzed and identified to species using specific bibliography and by comparison with the original material of Dioscorea trifurcata and from other specimens of Dioscorea at different herbaria. Results: A detailed morphological description of Dioscorea trifurcata is provided along with illustrations, photographs and a geographic distribution map. The presence of the species in Brazil is questioned. Conclusions: The rediscovery of Dioscorea trifurcata opens the possibility of conducting new studies based on multiple lines of evidence to corroborate the delimitation and distribution of the species. The importance of regional herbaria and of having recent and complete collections of poorly-known species for the inventory and conservation of biodiversity is highlighted. Introducción y objetivos: Dioscorea es el género más diverso morfológicamente, más rico en especies y con mayor distribución de la familia Dioscoreaceae. Dioscorea trifurcata es una especie poco conocida, con dos ejemplares recolectados en 1910 y 1916 en la provincia de Catamarca, Argentina. Sin embargo, recientemente la especie fue citada para Brasil y se localizaron nuevas poblaciones en cercanías a la localidad tipo. En virtud del nuevo material disponible, este artículo tiene por finalidad actualizar aspectos de la morfología, hábitat y distribución de D. trifurcata. M&M: Los nuevos ejemplares recolectados en la provincia de Catamarca se analizaron e identificaron a especie utilizando bibliografía específica y por comparación con el material original de Dioscorea trifurcata y de otros ejemplares de Dioscorea en diferentes herbarios. Resultados: Se brinda una descripción morfológica detallada de Dioscorea trifurcata junto con ilustraciones, fotografías y un mapa de distribución geográfica. Se pone en duda la presencia de la especie en Brasil. Conclusiones: El redescubrimiento de Dioscorea trifurcata abre la posibilidad de realizar nuevos estudios basados en múltiples líneas de evidencia para corroborar la delimitación y distribución de la especie. Se destaca la importancia de los herbarios regionales y de contar con colecciones recientes y completas de especies poco conocidas para el registro y conservación de la biodiversidad. Sociedad Argentina de Botánica 2024-03-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.unc.edu.ar/index.php/BSAB/article/view/43115 10.31055/1851.2372.v59.n1.43115 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 59 No. 1 (2024): March Boletín de la Sociedad Argentina de Botánica; Vol. 59 Núm. 1 (2024): Marzo Boletín de la Sociedad Argentina de Botánica; v. 59 n. 1 (2024): Marzo 1851-2372 0373-580X 10.31055/1851.2372.v59.n1 spa https://revistas.unc.edu.ar/index.php/BSAB/article/view/43115/44781 https://revistas.unc.edu.ar/index.php/BSAB/article/view/43115/44782 Derechos de autor 2024 Patricia Natalia Asesor, Eva Bulacio, Pablo Demaio https://creativecommons.org/licenses/by-nc-nd/4.0 |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-325 |
| container_title_str |
Boletín de la Sociedad Argentina de Botánica |
| language |
Español |
| format |
Artículo revista |
| topic |
Bosque Montano Brasil Dioscorea Dioscoreaceae endemismo Yungas Brazil Dioscorea Dioscoreaceae endemism Montane Forest Yungas |
| spellingShingle |
Bosque Montano Brasil Dioscorea Dioscoreaceae endemismo Yungas Brazil Dioscorea Dioscoreaceae endemism Montane Forest Yungas Asesor, Patricia N. Bulacio, Eva Demaio, Pablo H. Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| topic_facet |
Bosque Montano Brasil Dioscorea Dioscoreaceae endemismo Yungas Brazil Dioscorea Dioscoreaceae endemism Montane Forest Yungas |
| author |
Asesor, Patricia N. Bulacio, Eva Demaio, Pablo H. |
| author_facet |
Asesor, Patricia N. Bulacio, Eva Demaio, Pablo H. |
| author_sort |
Asesor, Patricia N. |
| title |
Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| title_short |
Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| title_full |
Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| title_fullStr |
Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| title_full_unstemmed |
Rediscovery of Dioscorea trifurcata (Dioscoreaceae) more than a hundred years after its last collection in Argentina |
| title_sort |
rediscovery of dioscorea trifurcata (dioscoreaceae) more than a hundred years after its last collection in argentina |
| description |
Background and aims: Dioscorea is the most morphologically diverse, species-rich and widely distributed genus of the family Dioscoreaceae. Dioscorea trifurcata is a poorly known species with two specimens collected in 1910 and 1916 in Catamarca province, Argentina. But, recently the species was cited for Brazil, and populations were located near the type locality. With new collections available, the purpose of the article is to update aspects of the morphology, habitat and distribution of D. trifurcata.
M&M: Specimens newly collected in Catamarca province were analyzed and identified to species using specific bibliography and by comparison with the original material of Dioscorea trifurcata and from other specimens of Dioscorea at different herbaria.
Results: A detailed morphological description of Dioscorea trifurcata is provided along with illustrations, photographs and a geographic distribution map. The presence of the species in Brazil is questioned.
Conclusions: The rediscovery of Dioscorea trifurcata opens the possibility of conducting new studies based on multiple lines of evidence to corroborate the delimitation and distribution of the species. The importance of regional herbaria and of having recent and complete collections of poorly-known species for the inventory and conservation of biodiversity is highlighted. |
| publisher |
Sociedad Argentina de Botánica |
| publishDate |
2024 |
| url |
https://revistas.unc.edu.ar/index.php/BSAB/article/view/43115 |
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2024-09-03T22:50:32Z |
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2024-09-03T22:50:32Z |
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