A new species of Eugenia (Myrtaceae) from Rio de Janeiro State, Brazil

Mazine, Fiorella Fernanda; Sobral, Marcos; Valdemarin, Karinne Sampaio

doi:10.11646/phytotaxa.343.2.6

Cited by 6 publications

(10 citation statements)

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“…Selected material: Área 1, Rio Floriano, 19.III.2004, fl Eugenia paracatuana occurs in Brazil and Paraguay (POWO 2022;Sobral 2011). In Brazil it is distributed in the Central-West, Southeast and South regions (Mazine et al 2022). In the ParNa Iguaçu it was registered in areas 2 and 3, in SSF Submontane and SSF Alluvial formations.…”

Section: Fig 5lmentioning

confidence: 99%

“…Eugenia subterminalis occurs in Argentina, Paraguay and Brazil (Giaretta et al 2021). In Brazil it is distributed in the Northeast, Central-West, Southeast and South regions (Mazine et al 2022).…”

Section: Fig 5lmentioning

confidence: 99%

“…However, we highlight the species E. myrciariifolia, considered Endangered (EN) that occurs in ParNa Iguaçu in areas 1 and 2. This species is endemic to Paraná and found only in SSF (Mazine et al 2022). The Forest has suffered a significant reduction in its natural area, which may have reduced their population into subpopulations, and only one of these occurs in conservation units such as the ParNa Iguaçu (CNCFlora 2012).…”

Section: Psidium Striatulummentioning

confidence: 99%

“…Eugenia florida is recognized by the racemose inflorescences and leaves with the first pair of secondary veins not confluent with the marginal veins formed by the other veins.Eugenia florida occurs from Nicaragua to Argentina(POWO 2022;Sobral 2011). In Brazil it is distributed in the North, Northeast, Central-West, Southeast and South regions(Mazine et al 2022). In the ParNa Iguaçu it was registered in areas 1 and 3, in SSF Submontane, Montane and Alluvial formations.…”

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Floristic inventory of Myrtaceae of Parque Nacional do Iguaçu, Paraná, Brazil

et al. 2023

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Myrtaceae is a diverse family in Brazil and the sixth most representative family in the Atlantic Forest. In Paraná, the Parque Nacional do Iguaçu (ParNa Iguaçu) is a large National Park and also one of the largest remnants of this phytogeographic domain. The objective of the present study was to carry out a floristic inventory of the Myrtaceae of the ParNa Iguaçu, presenting an identification key to the species, illustrations, conservation status evaluation, and comments on geographic distribution and phenology. The collections were carried out between May 2019 and March 2020 in two areas composed of Seasonal Semideciduous Forest and a transitional area to Mixed Ombrophilous Forest. In addition to the samples collected by us, material from other herbaria were also examined. Twenty-five native species and one exotic species of Myrtaceae were found, distributed in seven genera. Eugenia was the most representative genus with 11 species. Of the 26 species, seven are new occurrences for ParNa Iguaçu. From the samples collected in this research and other records in the northwest and west regions of the state of Paraná, the presence of Psidium striatulum in Seasonal Semideciduous Forest is confirmed. Eugenia myrciariifolia was the only species on Brazil’s endangered species list, the IUCN conservation status of which is Endangered (EN). The other species were considered as Least Concern (LC), but some of these species are restricted to certain areas or types of vegetation. Therefore, we conclude that ParNa Iguaçu contributes to the maintenance of these species in their natural environment.

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Section: Fig 5lmentioning

confidence: 99%

Section: Fig 5lmentioning

confidence: 99%

Section: Psidium Striatulummentioning

confidence: 99%

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Floristic inventory of Myrtaceae of Parque Nacional do Iguaçu, Paraná, Brazil

et al. 2023

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“…Entre os gêneros da família Myrtaceae, destaca-se o gênero Eugenia, que é considerado um dos maiores gêneros de angiospermas em número de representantes. O Brasil apresenta um centro de diversidade com 387 espécies, das quais 302 são endêmicas (Sobral, Costa, Souza, & Zorzanelli, 2017;Mazine, Sobral, & Valdemarin, 2018;Giaretta, Souza, Menezes, & Peixoto, 2018), com a região Nordeste ocupando a segunda posição, de região mais rica, com 122 espécies (Sobral et al, 2015a).…”

Section: Introductionunclassified

Fenologia Vegetativa e Reprodutiva da Eugenia sellowiana DC. (Myrtaceae) ocorrente no Jardim Botânico de São Gonçalo-Ceará

Castro

Pinheiro

Lucena

2020

Rev. Bras. Geog. Fis.

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A fenologia permite compreender dinâmica dos ecossistemas, pois estuda as fenofases dos vegetais relacionando fatores bióticos e abióticos. No ecossistema Restinga encontramos a ubaia-de-raposa (Eugenia sellowiana DC.), com frutos de elevado potencial para a industrialização de sucos. Desse modo, o presente trabalho teve como objetivo caracterizar a fenologia de Eugenia sellowiana DC. ocorrente no Jardim Botânico de São Gonçalo-Ceará, visando a definição do ponto de colheita ideal e a estimativa da produção. Foram selecionados dez indivíduos de E. sellowiana, as quais foram monitoradas entre os meses de agosto/2016 a julho/2017. Na fenologia anual verificou-se o desfolhamento teve seu maior registro do índice de intensidade (72,5%) em agosto/16 e o menor (25%) em janeiro/17. O enfolhamento ocorreu nos meses de novembro/16 a março/17. A floração iniciou em outubro/16 com a emissão de botões florais. A antese ocorreu no mês de janeiro/17, apresentando somente 7,5% de índice de intensidade. As flores fecundadas foram visualizadas somente nos meses de janeiro/17 e fevereiro/17. Para a fenologia da floração a frutificação verificou-se 218 botões florais, sendo necessários 77 dias após a marcação (DAM) para que 36,2% das flores entrassem em antese e 7 dias após a antese (DAA) para ocorrência de fecundação. Muitas flores abortaram (99,5%) desenvolver o fruto, restando apenas um fruto entre as plantas marcadas. Conclui-se que o ponto de colheita ideal do fruto da E. sellowiana é no estádio 3 (E3) de maturação, com uma estimativa da produção de um fruto por planta. Vegetative and Reproductive Phenology of Eugenia sellowiana DC. (Myrtaceae) Occurring in the Botanical Garden of São Gonçalo-Ceará A B S T R A C TPhenology allows the understanding of ecosystem dynamics, as it studies the phenophases of plants, relating biotic and abiotic factors. In the Restinga ecosystem we find the ubaia-de-raposa (Eugenia sellowiana DC.), with fruits of high potential for the industrialization of juices. Thus, this study aimed to characterize the phenology of Eugenia sellowiana DC. occurring in the Botanical Garden of São Gonçalo-Ceará, aiming at defining the ideal harvest point and estimating production. Ten individuals of E. sellowiana were selected, which were monitored between the months of August 2016 to July 2017. In annual phenology, defoliation had its highest record of the intensity index (72.5%) in August/16 and the lowest (25%) in January/17. Leafing occurred in the months of November/16 to March/17. Flowering started in October/16 with the emission of flower buds. Anthesis occurred in January/17, presenting only 7.5% of intensity index. The fertilized flowers were seen only in the months of January/17 and February/17. For flowering phenology, fruiting occurred 218 flower buds, requiring 77 days after marking (DAM) for 36.2% of the flowers to enter anthesis and 7 days after anthesis (DAA) for fertilization to occur. Many flowers miscarried (99.5%) to develop the fruit, leaving only one fruit among the marked plants. It’s concluded that the ideal point of harvest of the E. sellowiana fruit is at stage 3 (S3) of ripeness, with an estimate of the production of one fruit per plant.Keywords: Ubaia-de-raposa, floral biology, plant ecophysiology, fruit coastal, Restinga.

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Systematics studies in Pliniinae (Myrtaceae) necessitate two new combinations in Eugenia (Myrtaceae)

et al. 2021

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Although Eugenia and Plinia genera belong to different subtribes in Myrteae (Myrtaceae), shared morphological features have led to frequent mistaken identity to these species. Molecular phylogeny and morphological studies in Plinia show that Plinia martinellii and Plinia sebastianopolitana should be combined within the generic concept of Eugenia. In addition, two synonymizations under Plinia sebastianopolitana and one under Plinia martinellii are proposed. Commentary on these nnomenclatural adjustments, as well as on morphological and geographical data related to the evolution of these lineages is also provided.

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A new species of Eugenia (Myrtaceae) from Rio de Janeiro State, Brazil

Cited by 6 publications

References 1 publication

Floristic inventory of Myrtaceae of Parque Nacional do Iguaçu, Paraná, Brazil

Floristic inventory of Myrtaceae of Parque Nacional do Iguaçu, Paraná, Brazil

Fenologia Vegetativa e Reprodutiva da Eugenia sellowiana DC. (Myrtaceae) ocorrente no Jardim Botânico de São Gonçalo-Ceará

Systematics studies in Pliniinae (Myrtaceae) necessitate two new combinations in Eugenia (Myrtaceae)

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