Five new Brazilian species of Eugenia (Myrtaceae)

Abstract

Five species of Eugenia are described, illustrated and compared with related species. Eugenia anisomischa, from the state of Bahia, is morphologically related to Eugenia candolleana, from which it differs by the pilose leaves and flowers; Eugenia cerradensis, from the states of Goiás and Mato Grosso, E. pantanalensis, from the states of Mato Grosso and Mato Grosso do Sul, and E. tingui, from the state of Rio Grande do Norte, are morphologically related to E. stictopetala, differing largely by its indumentum, larger flowers and wider leaves, respectively; E. zigzag, from the state of Bahia, is distinct from all other Brazilian species by its zigzag branching pattern.

Diversity of Myrtaceae in and surroundings the Chapada Diamantina National Park, Brazil

“…Among the species encountered, eleven are endemic to Bahia (Tab. S1, available on supplementary material <https://doi.org/10.6084/ m9.figshare.16682662.v1>), and six are restricted to the Chapada Diamantina (Sobral et al 2015(Sobral et al , 2018Proença et al 2020). Also, according to the list of endangered and endemic species prepared by the Bahia state government (SEMA 2017), seven species recorded in this study are considered at some risk of extinction (Tab.…”

“…Thus, it will be necessary to increase collection activities to better assess the real diversity of Myrtaceae in the region. That view is supported by the recent discovery of new endemic species, such as Myrcia pseudovenulosa (Sobral et al 2015) and Eugenia anisomischa (Sobral et al 2018).…”

“…S1, available on supplementary material <https:// doi.org/10.6084/m9.figshare.16682662.v1>), complicating the conservation of the family, as some of those species do not occur within the boundries of the CDNP. Although not present on this list (SEMA 2017), Eugenia anisomischa Sobral & K. Coutinho was considered by Sobral et al (2018) as Endangered (EN), due to its limited distribution and low numbers of collections [abbreviation according to IUCN (2019)]. During the present study, however, more collections of E. anisomischa were made (although limited to the northern sector of Serra do Sincorá, in campo rupestre and forest vegetation) -suggesting that the species faces a similar level of threat as Myrcia mucugensis Sobral or M. pseudovenulosa Stadnik & Sobral (SEMA 2017).…”

IAPT chromosome data 40

“…Bertero (Rice & al., 2015). Eugenia zigzag (Myrtaceae) is a recently described species (Sobral & al., 2018), known so far only by the type material from a dry forest (Caatinga) in a single municipality in Bahia State. The record of 2n = 22 confirms the predominance of this chromosome number for most representatives of Eugenia L. (Costa & Forni-Martins, 2006;Rice & al., 2015).…”

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

“…There are few studies specifically related to the Myrtaceae in the state of Paraná, i.e: floristic studies by Soares-Silva (2000) in the Tibagi river basin, which encompasses Cerrado, Dense Ombrophilous Forest, and Mixed Ombrophilous Forest; Romagnolo & Souza (2004, for the floodplain of the upper Paraná River, with Semideciduous Seasonal Forest formation influenced by the tributaries of the upper Paraná River; Lima et al (2015) for Ilha do Mel, formed by Dense Ombrophilous Forest, restingas (sandy costal forests) and mangroves; Rocha (2018) for Parque Estadual de Vila Velha, composed of Cerrado and Mixed Ombrophilous Forest. Three other studies are restricted to specific genera, such as Lima et al (2011) of Campomanesia, Sobral (2011) of Eugenia, and Lannoy et al (2021) of Myrcia. However, for the western region of the state formed predominantly by Semideciduous Seasonal Forest, such as the Parque Nacional do Iguaçu (ParNa Iguaçu), there are no floristic studies of this family.…”