Distribution patterns of Passiflora L. (Passifloraceae s.s. ) in the Serra da Mantiqueira, Southeast Brazil

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ECOLOGY & BIOGEOGRAPHY - ORIGINAL ARTICLE

Distribution patterns of Passiflora L. (Passifloraceae s.s.) in the Serra da Mantiqueira, Southeast Brazil Andreza Magro Moraes1   · Michaele Alvim Milward‑de‑Azevedo2   · Luiz Menini Neto3   · Ana Paula Gelli de Faria3  Received: 18 February 2020 / Revised: 4 September 2020 / Accepted: 12 October 2020 © Botanical Society of Sao Paulo 2020

Abstract Passiflora L. is the most representative genus of Passifloraceae. In Brazil, its species are widely distributed through phytogeographic domains and altitudinal gradients, including the Atlantic montane forests of the Southeast region. In these forest remnants, expressive species richness has been found. The aim of this work was to evaluate the distribution patterns and status conservation of Passiflora species in Serra da Mantiqueira (SM), a mountain range located in southeastern Brazil that stands out for its high biological diversity. We obtained data on species distribution through collections in the field, herbaria collections and compiled online databases, which were plotted on shapefile overlay maps. Species richness, collection effort and similarity among grid squares were analyzed for the taxa recorded. To evaluate distribution patterns by altitudinal gradient, we employed a similarity analysis by altitude class and a test of significance. Considering the states that encompass the SM, Minas Gerais showed the highest Passiflora richness. On the other hand, grid square 13, located in the mountainous region of Espírito Santo state, concentrated the greatest species richness. Similarity analysis between grid squares pointed to the Septentrional area of SM having the most diverse floristic composition. We observed the highest richness and occurrence record between 500 and 1500 m. A gradual change in species composition occurred along the altitudinal gradients, with decline in richness from 1000 m. Around 85% of the species were recorded outside protected areas, reinforcing the need for actions for their conservation through the expansion or creation of conservation units. Keywords  Atlantic domain · Biogeography · Environmental gradient · Passionflower

1 Introduction Electronic supplementary material  The online version of this article (https​://doi.org/10.1007/s4041​5-020-00665​-w) contains supplementary material, which is available to authorized users. * Andreza Magro Moraes [email protected] 1



Programa de Pós‑Graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Rua José Lourenço Kelmer s/n, Bairro São Pedro, Juiz de Fora, MG 36036‑900, Brazil

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Departamento de Ciências do Meio Ambiente, Instituto Três Rios, Universidade Federal Rural do Rio de Janeiro, Av. Prefeito Alberto da Silva Lavinas 1847, Centro, Três Rios, RJ 25802‑100, Brazil

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Departamento Botânica, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Rua José Lourenço Kelmer s/n, Bairro São Pedro, Juiz de Fo