Expanding the Distribution of <i>Prosthechea jauana</i> (Orchidaceae) in the Pantepui and Highlighting the Urgent Need for Conservation Strategies in the Region in Face of Climate Change
Tiago L. Vieira | Rafael G. Barbosa-Silva | André L. Acosta | Cássio van den Berg
<i>Prosthechea jauana</i> has been recognized as an orchid species endemic to the Venezuelan tepui. The first record of <i>P. jauana</i> in Brazil is presented here, also from a tepui in the Southern phytogeographical district of Pantepui in the Serra do Aracá, at the northern border of the Amazonas state. A detailed morphological description and images of the specimen are presented, as well as an updated distribution map, preliminary conservation status assessment, and taxonomic notes about the species. In addition, we provide species’ distribution models for <i>P. jauana</i> based on current and future bioclimatic data. Future projections suggest that the geographic distribution of <i>P. jauana</i> will likely be severely affected, with ~79% of its suitable habitat being reduced by 2041–2060 and ~92% by 2061–2080. <i>Prosthechea jauana</i> could represent a flag species and an example of how climate change may affect the endemic Pantepui flora.
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