A new species of Annonaceae, endemic to the limestone karst forests of Chiapas, Mexico

Acta Botanica Mexicana

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Title A new species of Annonaceae, endemic to the limestone karst forests of Chiapas, Mexico
Creator Moreno-Méndez, Gaspar
Ortiz-Rodriguez, Andrés Ernesto
Subject cauliflory, Miliuseae, Neotropics, tropical rainforest
Description AbstractBackground and Aims: In Mexico, the Neotropical genera of Annonaceae tribe Miliuseae, including Sapranthus, Stenanona and the Mexican endemic genus Tridimeris, are particularly diverse and many of their species are endemic to this country. This diversity is not fully documented and many new species have been discovered as a result of recent botanical explorations in southern Mexico. Here, we describe a new species of Stenanona.Methods: We collected a new species of Stenanona during field work in a little known karst forest area located in the highlands of Chiapas, Mexico. The new species was recognized using the unique combination of features through comparisons with morphologically similar species and literature review. We assessed its conservation status by calculating its extent of occurrence (EOO) and its area of occupancy (AOO) using the GeoCAT tool and applying the IUCN Red List Categories and criteria.Key results: A new species of Annonaceae, namely Stenanona morenoi, endemic to karstic forests of southern Mexico, is described and illustrated.  According to the criteria established by the IUCN, it is possible to tentatively determine the species as Critically Endangered (CR B1ab (iii)).Conclusions: Based on its general floral morphology, S. morenoi is hypothesized to belong to subclade A of the Desmopsis-Stenanona clade. Within this lineage, S. morenoi shares several morphological features with S. migueliana, S. stenopetala and S. zoque.
Publisher Instituto de Ecología, A.C.
Contributor We extend our sincere gratitude to Lizbeth Pérez Lucas for the illustration, and Juan Francisco Ornelas for preparing Fig. 1 and 2. We thank Yuyini Licona for helpful comments on previous versions of the manuscript.
Date 2020-01-31
Type info:eu-repo/semantics/article

artículo evaluado por pares
Format application/pdf
Identifier http://abm.ojs.inecol.mx/index.php/abm/article/view/1625
Source Acta Botanica Mexicana; Núm. 127 (2020)
Acta Botanica Mexicana; Núm. 127 (2020)
Language eng
Relation http://abm.ojs.inecol.mx/index.php/abm/article/view/1625/pdf
Rights Copyright (c) 2020 Acta Botanica Mexicana

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