Synopsis of rubiaceae from the iguaçu national park, Paraná, Brazil
; Cabral, Elsa Leonor ; Godinho Temponi, Lívia Otros responsables
Fecha
06/2021
Editorial
Instituto de Pesquisas Jardim Botanico do Rio de Janeiro
Revista
Rodriguésia
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ISSN
0370-6583
eISSN
2175-7860
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Resumen
O Parque Nacional do Iguaçu representa o maior fragmento de Mata Atlântica de Interior do estado do Paraná. Sua vegetação é predominantemente de Floresta Estacional Semidecidual, nas áreas de Foz do Iguaçu e Capanema e uma transição desta com Floresta Ombrófila Mista, na Área de Céu Azul. Este trabalho teve por objetivo reconhecer os gêneros e espécies de Rubiaceae com ocorrência no Parque, através de coletas mensais de agosto de 2013 a julho de 2014, complementadas com coletas esporádicas de maio de 2018 a abril 2019. Foram encontradas 35 espécies, pertencentes a 19 gêneros. Os gêneros mais representativos foram Palicourea e Psychotria com cinco espécies, Galianthe, Manettia, Borreria com três, Geophila e Coccocypselum com duas e os demais gêneros com apenas uma espécie cada. As áreas com maiores riquezas de espécies foram Foz do Iguaçu, com 24, sendo quatro exclusivas desta área, seguidas de Céu Azul com 22 espécies, das quais oito são exclusivas. Das 35 espécies encontradas sete ocorrem em todas as áreas e em ambas as formações florestais, sete ocorrem só na área de Floresta Ombrófila Mista e 20 ocorrem somente na Floresta Estacional Semidecidual. Destacam-se ainda Borreria orientalis por ter uma distribuição restrita no Brasil, apenas no Paraná e Manettia tweedieana por ser considerada “Em Perigo” de extinção.
Iguaçu National Park represents the largest fragment of Inland Atlantic Rainforest of Paraná state. The vegetation is predominantly seasonal semideciduous forest, in the areas of Foz do Iguaçu and Capanema and a transition of this with Araucaria forest, in the Céu Azul area. This work aimed to recognize the genera and species of Rubiaceae occurring in the Park, through monthly collections from August 2013 to July 2014, supplemented with sporadic collections from May 2018 to April 2019. Thirty-five species were recorded, belonging to 19 genera. The most representative genera were Palicourea and Psychotria with five species, Galianthe, Manettia, Borreria with three, Geophila and Coccocypselum with two, and the other genera with only one species each. The areas with the major species richness were Foz do Iguaçu, with 24, of which four are exclusive to this area, followed by Céu Azul with 22 species, of which eight are exclusive. Of the 35 species recorded, seven occur in all areas and in both forest formations, seven occur only in the Araucaria forest area, and 20 occur only in the seasonal semideciduous forest. Borreria orientalis is highlighted due to its restricted distribution in Brazil, occurring only in Paraná, and Manettia tweedieana is considered endangered.
Iguaçu National Park represents the largest fragment of Inland Atlantic Rainforest of Paraná state. The vegetation is predominantly seasonal semideciduous forest, in the areas of Foz do Iguaçu and Capanema and a transition of this with Araucaria forest, in the Céu Azul area. This work aimed to recognize the genera and species of Rubiaceae occurring in the Park, through monthly collections from August 2013 to July 2014, supplemented with sporadic collections from May 2018 to April 2019. Thirty-five species were recorded, belonging to 19 genera. The most representative genera were Palicourea and Psychotria with five species, Galianthe, Manettia, Borreria with three, Geophila and Coccocypselum with two, and the other genera with only one species each. The areas with the major species richness were Foz do Iguaçu, with 24, of which four are exclusive to this area, followed by Céu Azul with 22 species, of which eight are exclusive. Of the 35 species recorded, seven occur in all areas and in both forest formations, seven occur only in the Araucaria forest area, and 20 occur only in the seasonal semideciduous forest. Borreria orientalis is highlighted due to its restricted distribution in Brazil, occurring only in Paraná, and Manettia tweedieana is considered endangered.
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