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      Increasing the known floristic diversity of Brazilian inselbergs: two new species of Mandevilla (Apocynaceae) from Espírito Santo

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      Acta Botanica Brasilica
      Sociedade Botânica do Brasil
      apocynoids, Ibituba, Mesechiteae, Santa Teresa, Pancas

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          Abstract

          ABSTRACT Two new species of Mandevilla endemic to inselbergs of the state of Espírito Santo, Brazil, are described. Mandevilla alata resembles M. callista but differs by having winged stems, shorter petioles, shorter pedicels, and a white corolla with a red throat. Mandevilla ibitubana resembles M. grazielae but differs by having short-petiolate leaves, a white corolla, and shorter anthers. Illustrations, a distribution map, conservation assessments and a key to species of Mandevilla growing on inselbergs in Espirito Santo are included.

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          Most cited references39

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          Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool

          Abstract GeoCAT is an open source, browser based tool that performs rapid geospatial analysis to ease the process of Red Listing taxa. Developed to utilise spatially referenced primary occurrence data, the analysis focuses on two aspects of the geographic range of a taxon: the extent of occurrence (EOO) and the area of occupancy (AOO). These metrics form part of the IUCN Red List categories and criteria and have often proved challenging to obtain in an accurate, consistent and repeatable way. Within a familiar Google Maps environment, GeoCAT users can quickly and easily combine data from multiple sources such as GBIF, Flickr and Scratchpads as well as user generated occurrence data. Analysis is done with the click of a button and is visualised instantly, providing an indication of the Red List threat rating, subject to meeting the full requirements of the criteria. Outputs including the results, data and parameters used for analysis are stored in a GeoCAT file that can be easily reloaded or shared with collaborators. GeoCAT is a first step toward automating the data handling process of Red List assessing and provides a valuable hub from which further developments and enhancements can be spawned.
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            Brazilian Paramos I. An introduction to the physical environment and vegetation of the campos de altitude

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              Tropical inselbergs: habitat types, adaptive strategies and diversity patterns

              Inselbergs are isolated rock outcrops that rise abruptly above the surrounding plains. Granitic and gneissic inselbergs are geologically and geomorphologically old and occur throughout a broad spectrum of climatic zones. They form microclimatically and edaphically dry growth sites that support a highly specialized vegetation. Based on physiognomic criteria a number of habitat types can be distinguished that are widespread on inselbergs (e.g. ephemeral flush vegetation, monocotyledonous mats, rock pools). Three hot spots of global inselberg plant diversity can be identified which are both rich in species and endemics: a) southeastern Brazil, b) Madagascar and c) southwestern Australia.
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                Author and article information

                Journal
                abb
                Acta Botanica Brasilica
                Acta Bot. Bras.
                Sociedade Botânica do Brasil (Belo Horizonte, BA, Brazil )
                0102-3306
                1677-941X
                March 2020
                : 34
                : 1
                : 107-116
                Affiliations
                [4] Santa Teresa ES orgnameInstituto Nacional da Mata Atlântica Brazil
                [1] St. Louis MO orgnameMissouri Botanical Garden USA
                [3] San José orgnameUniversidad Estatal a Distancia Costa Rica
                [2] Bayreuth Freistaat Bayern orgnameUniversität Bayreuth Germany
                Article
                S0102-33062020000100107 S0102-3306(20)03400100107
                10.1590/0102-33062019abb0241
                32e060b4-78fe-46be-b732-2d793c874f49

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 18 September 2019
                : 08 July 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 44, Pages: 10
                Product

                SciELO Brazil

                Self URI: Full text available only in PDF format (EN)
                Categories
                Articles

                Mesechiteae,apocynoids,Ibituba,Santa Teresa,Pancas
                Mesechiteae, apocynoids, Ibituba, Santa Teresa, Pancas

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