Plant Ecology and Evolution 154(1): 150-158, doi: 10.5091/plecevo.2021.1741
Mollinedia ruschii (Monimiaceae, Mollinedioideae), a new Critically Endangered species microendemic to the Atlantic rainforest, eastern Brazil
expand article infoElton John de Lirio‡§, Raquel Negrao|, Paulo Takeo Sano, Ariane Luna Peixoto#
‡ Rio de Janeiro Botanical Garden, Rio de Janeiro, Brazil§ University of São Paulo, São Paulo, Brazil| Royal Botanic Gardens, London, United Kingdom¶ Universidade de São Paulo, São Paulo, Brazil# Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

Corresponding author: Elton John de Lirio ( lirioeltonj@gmail.com )

© Elton John de Lírio, Raquel Negrão, Paulo Takeo Sano, Ariane Luna Peixoto.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: de Lirio EJ, Negrao R, Sano PT, Peixoto AL (2021) Mollinedia ruschii (Monimiaceae, Mollinedioideae), a new Critically Endangered species microendemic to the Atlantic rainforest, eastern Brazil. Plant Ecology and Evolution 154(1): 150-158. https://doi.org/10.5091/plecevo.2021.1741
Open Access
Abstract

Background – Studies of neotropical Monimiaceae revealed a new species of Mollinedia endemic to the state of Espírito Santo, eastern Brazil. In this study, we describe, illustrate, and compare the new species with related taxa. In addition, ecological comments and extinction risk assessment of the new species are provided.

Methods – This study was based on herbarium material and field work observations. The risk of extinction assessment follows the IUCN Red List of Threatened Species’ Criteria and Categories and the latest version of the IUCN Guidelines.

Results – Mollinedia ruschii sp. nov. has habitat specificity with few individuals recorded, mainly in the Estação Biológica de Santa Lúcia, a protected area created by Augusto Ruschi, a Brazilian naturalist and researcher, to whom we dedicate the name of the new species. Phytosociological and forest dynamics studies and intensive field work in the area where the species occurs, enabled the detection of the decline of mature individuals in previous decades. Following the IUCN Red List criteria, the species is assessed as Critically Endangered.

Keywords
Flora of Brazil, Flora of Espírito Santo, IUCN red list, Laurales, Mollinedieae, narrow endemic, species decline, threatened species

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