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Issue: Vol. 718 No. 3: 23 Sept. 2025
Type: Article
Published: 2025-09-23
DOI: 10.11646/phytotaxa.718.3.6
Page range: 227-234
Abstract views: 310
PDF downloaded: 11

Novelty in Myrcia (Myrtaceae) from the Serra do Mar in São Paulo state, Brazil

Centro Universitário Módulo, Curso de Ciências Biológicas, Rua Maria D’Assumpção Carvalho, 1000, CEP 11662-047, Caraguatatuba, São Paulo, Brazil
Programa de Pós-Graduação em Planejamento e Uso de Recursos Renováveis, Universidade Federal de São Carlos, Rod. João Leme dos Santos, km 110 - SP-264. Bairro do Itinga, Sorocaba, SP, Brazil
Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
Fiocruz Mata Atlântica, Fundação Oswaldo Cruz, Rua Sampaio Corrêa, s/n, 22713-560, Rio de Janeiro, RJ, Brazil
Atlantic Rainforest Biogeography Myrtales endemic taxonomy Eudicots

Abstract

Myrcia vinacea is a new species endemic to the Coastal Atlantic Forest of São Paulo. It is morphologically similar to M. tetraphylla in vegetative features once both share verticillate leaves. However, it differs by its flaking or smooth trunk bark (vs. rough, non-flaking bark), inflorescences with secondary axes, 10–23 cm long (vs. usually without secondary axes, when present, ca. 2 cm long), pedicellate flowers, (vs. sessile), caducous bracts (vs. persistent), and inflorescences and ovaries with reddish trichomes (vs. brownish to grayish). A comparison with other similar species, diagnosis, description, ecological comments, photographic plates, and distribution map are also provided. Myrcia vinacea is preliminarily classified as Vulnerable (VU) due to the decrease in habitat quality and its restricted area of occupation, with few mature individuals.

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How to Cite

Miranda, M.D., Maruyama, A.D.S.D.C., Gaem, P.H. & Fernandes, T. (2025) Novelty in Myrcia (Myrtaceae) from the Serra do Mar in São Paulo state, Brazil. Phytotaxa 718 (3): 227–234. https://doi.org/10.11646/phytotaxa.718.3.6