Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae)
García, María E.; Nora J. F. Reyes; Nora B. Muruaga. 2012. “Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae)”. Lilloa 49 (2). Argentina is represented by 21 species of Lobivia; Lobivia pygmaea is one of them and it involves about 26 synonyms, such as Rebutia haagei. These species differ between them regarding to their morphology, environment of living and geographic distribution. The aim of this work is to analyze pollen characteristics of both entities to provide data that contribute to improve their knowledge. Pollen samples were collected in different mountain localities of northwestern Argentina. Results show that the pollen grains are: apolar or isopolar, large, pantocolpate, rare tricolpate and also they differ in the distribution of colpi, size and arrangement of perforations and nanoespinules. The study provides information that later will help verify the position of R. haagei.
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2012
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rev-lilloa-ar-article-3932020-10-13T13:23:31Z Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) Morfología polínica de Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) García, María E. Reyes, Nora J. Muruaga, Nora B. Cactaceae Lobivia pygmaea morfología polen Rebutia haagei Cactaceae Lobivia pygmaea morphology pollen Rebutia haagei García, María E.; Nora J. F. Reyes; Nora B. Muruaga. 2012. “Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae)”. Lilloa 49 (2). Argentina is represented by 21 species of Lobivia; Lobivia pygmaea is one of them and it involves about 26 synonyms, such as Rebutia haagei. These species differ between them regarding to their morphology, environment of living and geographic distribution. The aim of this work is to analyze pollen characteristics of both entities to provide data that contribute to improve their knowledge. Pollen samples were collected in different mountain localities of northwestern Argentina. Results show that the pollen grains are: apolar or isopolar, large, pantocolpate, rare tricolpate and also they differ in the distribution of colpi, size and arrangement of perforations and nanoespinules. The study provides information that later will help verify the position of R. haagei. García, María E.; Nora J. F. Reyes; Nora B. Muruaga. 2012. “Morfología polínica de Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae)”. Lilloa 49 (2). La Argentina está representada por 21 especies de Lobivia; Lobivia pygmaea es una de ellas y reúne cerca de 26 sinónimos, tal como Rebutia haagei. Por nuestra parte, llamó la atención que estas difieren entre si en relación a su morfología, ambiente donde habitan y distribución geográfica. El objetivo de este trabajo es analizar las características del grano de polen de ambas entidades con el objeto de aportar datos que contribuyan a mejorar su conocimiento. Las muestras de polen proceden de ejemplares coleccionados en distintas localidades montanas del noroeste argentino. Los resultados revelan que los granos de polen son apolares o isopolares, de tamaño grande, pantocolpados, raro tricolpados y difieren en la distribución de los colpos, en el tamaño y en la disposición de las perforaciones y las nanoespínulas. El estudio aquí realizado contribuirá a verificar la posición de R. haagei. Fundación Miguel Lillo 2012-12-07 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://www.lillo.org.ar/journals/index.php/lilloa/article/view/393 Lilloa; Lilloa 49 (2) (2012); 98-104 Lilloa; Lilloa 49 (2) (2012); 98-104 2346-9641 spa http://www.lillo.org.ar/journals/index.php/lilloa/article/view/393/412 Derechos de autor 2012 Lilloa |
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García, María E. Reyes, Nora J. Muruaga, Nora B. |
| spellingShingle |
García, María E. Reyes, Nora J. Muruaga, Nora B. Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| author_facet |
García, María E. Reyes, Nora J. Muruaga, Nora B. |
| author_sort |
García, María E. |
| title |
Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| title_short |
Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| title_full |
Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| title_fullStr |
Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| title_full_unstemmed |
Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae) |
| title_sort |
pollen morphology of rebutia haagei y lobivia pygmaea (cactaceae: cactoideae) |
| description |
García, María E.; Nora J. F. Reyes; Nora B. Muruaga. 2012. “Pollen morphology of Rebutia haagei y Lobivia pygmaea (Cactaceae: Cactoideae)”. Lilloa 49 (2). Argentina is represented by 21 species of Lobivia; Lobivia pygmaea is one of them and it involves about 26 synonyms, such as Rebutia haagei. These species differ between them regarding to their morphology, environment of living and geographic distribution. The aim of this work is to analyze pollen characteristics of both entities to provide data that contribute to improve their knowledge. Pollen samples were collected in different mountain localities of northwestern Argentina. Results show that the pollen grains are: apolar or isopolar, large, pantocolpate, rare tricolpate and also they differ in the distribution of colpi, size and arrangement of perforations and nanoespinules. The study provides information that later will help verify the position of R. haagei. |
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Fundación Miguel Lillo |
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2012 |
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http://www.lillo.org.ar/journals/index.php/lilloa/article/view/393 |
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