A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina

Backgrounds and aims: The genus Anadenanthera is represented in Argentina by a single species, A. colubrina, with two varieties known so far, var. cebil and var. colubrina. These varieties can be clearly distinguished by the venation pattern of the leaflets. In this work, a third variety, var. glabr...

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Autores principales: Cacharani, Daniel A., Barrandeguy, María E., García, María V., Costas, María L, Martínez, Olga G., Prado, Darién E.
Formato: Artículo revista
Lenguaje:Español
Publicado: Sociedad Argentina de Botánica 2020
Materias:
Anadenanthera
Argentina
Fabaceae
Leguminosae,
Mimosoideae
taxonomía
Leguminosae
taxonomy
Acceso en línea:https://revistas.unc.edu.ar/index.php/BSAB/article/view/27348
Aporte de:
Boletín de la Sociedad Argentina de Botánica de Universidad Nacional de Córdoba
id I10-R325-article-27348
record_format ojs
spelling I10-R325-article-273482020-11-10T22:43:20Z A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina Una nueva variedad de Anadenanthera colubrina (Leguminosae, Mimosoideae) de Argentina Cacharani, Daniel A. Barrandeguy, María E. García, María V. Costas, María L Martínez, Olga G. Prado, Darién E. Anadenanthera Argentina Fabaceae Leguminosae, Mimosoideae taxonomía Anadenanthera Argentina Fabaceae Leguminosae Mimosoideae taxonomy Backgrounds and aims: The genus Anadenanthera is represented in Argentina by a single species, A. colubrina, with two varieties known so far, var. cebil and var. colubrina. These varieties can be clearly distinguished by the venation pattern of the leaflets. In this work, a third variety, var. glabra, is here circumscribed by a combination of characters of its leaves and bark. M&M: Specimens at CTES and MCNS were studied, and field observations were performed in Argentinean natural environments. The specimens were analyzed morphologically with optical and scanning electron microscopies. Results: The new variety glabra differs from varieties cebil and colubrina, by its stems without mamelons, leaves with rachis glabrous on both surfaces or only on the abaxial surface, and leaflets with a reticulated, closed and complex venation. An illustration, photographs, a morphological comparative table and a key to the varieties, and a distribution map are provided. Conclusions: The three varieties of Anadenanthera colubrina, var. cebil, var. colubrina and var. glabra, inhabit the Seasonally Dry Neotropical Forests of northern Argentina, showing the new variety a restricted distribution to the northeastern region of the country. Introducción y objetivos: El género Anadenanthera está representado en Argentina por una única especie, A. colubrina, con dos variedades, var. cebil y var. colubrina. Estas variedades pueden ser claramente diferenciadas por el patrón de venación de los folíolos. En este trabajo se describe una tercera variedad, var. glabra, circunscripta por una combinación de caracteres de sus hojas y corteza. M&M: Se estudiaron especímenes de CTES y MCNS, y se realizaron observaciones de campo en ambientes naturales de Argentina. Los especímenes se analizaron morfológicamente con microscopía óptica y electrónica de barrido. Resultados: La nueva variedad glabra se distingue de las variedades cebil y colubrina por sus tallos sin mamelones, hojas con raquis glabro sobre ambas superficies o únicamente sobre la superficie abaxial, y los folíolos con una venación compleja, reticulada y cerrada. Se provee una ilustración, fotografías, un cuadro morfológico comparativo, una clave para diferenciar las variedades y un mapa de distribución. Conclusiones: Las tres variedades de Anadenanthera colubrina, var. cebil, var. colubrina y var. glabra, habitan los Bosques Secos Estacionales del norte de Argentina, mostrando la nueva variedad una distribución restringida hacia la región nororiental del país. Sociedad Argentina de Botánica 2020-09-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.unc.edu.ar/index.php/BSAB/article/view/27348 10.31055/1851.2372.v55.n3.27348 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 55 No. 3 (2020): Setember; 403-410 Boletín de la Sociedad Argentina de Botánica; Vol. 55 Núm. 3 (2020): Septiembre; 403-410 Boletín de la Sociedad Argentina de Botánica; v. 55 n. 3 (2020): Septiembre; 403-410 1851-2372 0373-580X 10.31055/1851.2372.v55.n3 spa https://revistas.unc.edu.ar/index.php/BSAB/article/view/27348/31089 https://revistas.unc.edu.ar/index.php/BSAB/article/view/27348/31090 Derechos de autor 2020 Daniel A. Cacharani, María E. Barrandeguy, María V. García, María L Costas, Olga G. Martínez, Darién E. Prado 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 Anadenanthera
Argentina
Fabaceae
Leguminosae,
Mimosoideae
taxonomía
Anadenanthera
Argentina
Fabaceae
Leguminosae
Mimosoideae
taxonomy
spellingShingle Anadenanthera
Argentina
Fabaceae
Leguminosae,
Mimosoideae
taxonomía
Anadenanthera
Argentina
Fabaceae
Leguminosae
Mimosoideae
taxonomy
Cacharani, Daniel A.
Barrandeguy, María E.
García, María V.
Costas, María L
Martínez, Olga G.
Prado, Darién E.
A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
topic_facet Anadenanthera
Argentina
Fabaceae
Leguminosae,
Mimosoideae
taxonomía
Anadenanthera
Argentina
Fabaceae
Leguminosae
Mimosoideae
taxonomy
author Cacharani, Daniel A.
Barrandeguy, María E.
García, María V.
Costas, María L
Martínez, Olga G.
Prado, Darién E.
author_facet Cacharani, Daniel A.
Barrandeguy, María E.
García, María V.
Costas, María L
Martínez, Olga G.
Prado, Darién E.
author_sort Cacharani, Daniel A.
title A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
title_short A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
title_full A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
title_fullStr A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
title_full_unstemmed A new variety of Anadenanthera colubrina (Leguminosae, Mimosoideae) from Argentina
title_sort new variety of anadenanthera colubrina (leguminosae, mimosoideae) from argentina
description Backgrounds and aims: The genus Anadenanthera is represented in Argentina by a single species, A. colubrina, with two varieties known so far, var. cebil and var. colubrina. These varieties can be clearly distinguished by the venation pattern of the leaflets. In this work, a third variety, var. glabra, is here circumscribed by a combination of characters of its leaves and bark. M&M: Specimens at CTES and MCNS were studied, and field observations were performed in Argentinean natural environments. The specimens were analyzed morphologically with optical and scanning electron microscopies. Results: The new variety glabra differs from varieties cebil and colubrina, by its stems without mamelons, leaves with rachis glabrous on both surfaces or only on the abaxial surface, and leaflets with a reticulated, closed and complex venation. An illustration, photographs, a morphological comparative table and a key to the varieties, and a distribution map are provided. Conclusions: The three varieties of Anadenanthera colubrina, var. cebil, var. colubrina and var. glabra, inhabit the Seasonally Dry Neotropical Forests of northern Argentina, showing the new variety a restricted distribution to the northeastern region of the country.
publisher Sociedad Argentina de Botánica
publishDate 2020
url https://revistas.unc.edu.ar/index.php/BSAB/article/view/27348
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first_indexed 2024-09-03T22:49:54Z
last_indexed 2024-09-03T22:49:54Z
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