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Issue: Vol. 568 No. 1: 11 October 2022
Type: Article
Published: 2022-10-11
DOI: 10.11646/phytotaxa.568.1.3
Page range: 27-60
Abstract views: 45
PDF downloaded: 1

Taxonomic study of Myrtaceae in forest fragments in Amazonian Maranhão, Brazil

Programa de Pós-graduação em Biologia Vegetal, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego, 1235 - Cidade Universitária, 50670-901, Recife – PE, Brazil
Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, Cidade Universitária, Caixa Postal 5065, 58051-970, João Pessoa- PB, Brazil
Departamento de Biologia, Universidade Federal do Maranhão, Cidade Universitária Dom Delgado, Av. dos Portugueses, 1966 - Vila Bacanga, 65080-805, São Luís - MA.
Institute of Systematic Botany, New York Botanical Garden, 2900 Southern Boulevard, Bronx, 10458-5126, NY, United States.
Myrtales northeastern Brazil taxonomy vascular flora Eudicots

Abstract

We present a taxonomic study of the Myrtaceae family in a fragmented landscape known as Amazonian Maranhão. The botanical collections were made from August 2019 to February 2020. Other collections were studied in loco at HST, IAN, IPA, MAR, MG, NY, PEUFR, and SLUI, and others online at virtual herbaria. Myrtaceae are represented in Amazonian Maranhão by 37 species. The most diverse genera are Myrcia with 16 species and Eugenia with 15 species, followed by Myrciaria and Psidium with two species each, and Campomanesia and Calycolpus with one each. Some of the species are cited here from Maranhão for the first time, and have their geographic distribution extended, including Eugenia dittocrepis, E. lambertiana, E. patens, E. patrisii, Myrcia bracteata, M. eximia, and Psidium acutangulum. A taxonomic treatment for the family in the region, with an identification key to the species, detailed descriptions and taxonomic comments for each species is presented.

References

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