<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-7151</journal-id>
<journal-title><![CDATA[Acta botánica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Act. Bot. Mex]]></abbrev-journal-title>
<issn>0187-7151</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C., Centro Regional del Bajío]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-71512020000100210</article-id>
<article-id pub-id-type="doi">10.21829/abm127.2020.1708</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The Gustavia clade (Lecythidaceae) in Central America: a new record of Gustavia sessilis and a key to its species]]></article-title>
<article-title xml:lang="es"><![CDATA[El clado Gustavia (Lecythidaceae) en América Central: un nuevo registro de Gustavia sessilis y una clave para sus especies]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Batista Guerra]]></surname>
<given-names><![CDATA[Juvenal E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[Orlando O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Panamá Herbario PMA ]]></institution>
<addr-line><![CDATA[Panamá ]]></addr-line>
<country>Panama</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<numero>127</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512020000100210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512020000100210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512020000100210&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims: Gustavia sessilis is a neotropical tree, belonging to the Lecythidaceae family, until now known from the Colombian Chocó region only. In this paper, we report G. sessilis for the first time for Central America.  Methods: Central American specimens of G. sessilis were collected in 2019 from the Darién Province (eastern Panama). Plant identifications were confirmed by comparing collected specimens with those identified earlier and housed in the MO, PMA, SCZ and UCH herbaria. Type specimens were examined by consulting the JSTOR Global Plants database. The estimations of the conservation status were made based on the criteria of the IUCN.  Key results:  The record of G. sessilis for Central America is presented, based on a collection made from eastern Panama (Darién Province). Photographs, taxonomic comments, and conservation notes are provided. Additionally, a key for the Central American Gustavia species is included.  Conclusions: The distribution of G. sessilis now ranges from Bahía Piñas, Darién Province, Panama to the Condoto river, Chocó region, Colombia, highlighting the importance of the Chocó Panama-Colombia region for the conservation of biodiversity, since it could act as a natural corridor for species. Taking into account the small number of records and the restricted natural range of this species, we recommend considering G. sessilis as an endangered species.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos: Gustavia sessilis es un árbol neotropical perteneciente a la familia Lecythidaceae, hasta la fecha conocido únicamente de la región colombiana del Chocó. En este artículo, se registra por primera vez G. sessilis para Centroamérica.  Métodos:  Los especímenes centroamericanos de G. sessilis se recolectaron en la Provincia de Darién (oriente de Panamá), durante el año 2019. La identificación de las plantas se confirmó comparando los especímenes recolectados con las colecciones alojadas en los herbarios MO, PMA, SCZ y UCH. Los especímenes tipo se examinaron consultando la base de datos de JSTOR Global Plants. La estimación del estado de conservación se realizó con base en los criterios de la UICN.  Resultados clave: El registro de G. sessilis en Centroamérica se presenta con base en una colección realizada en el Este de Panamá (Provincia de Darién). Se proporcionan fotografías, comentarios taxonómicos y notas sobre la conservación de esta especie. Además, se incluye una clave de las especies centroamericanas de Gustavia.  Conclusiones: La distribución de G. sessilis se extiende desde Bahía Piñas, Provincia de Darién, Panamá hasta el río Condoto, región de Chocó, Colombia, lo que resalta la gran importancia de la región de Chocó Panamá-Colombia para la conservación de la biodiversidad, ya que podría actuar como corredor natural de especies. Teniendo en cuenta el escaso número de localidades y el restringido rango natural de esta especie, recomendamos considerar a G. sessilis como una especie en peligro de extinción.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Chocó region]]></kwd>
<kwd lng="en"><![CDATA[Darién]]></kwd>
<kwd lng="en"><![CDATA[endangered species]]></kwd>
<kwd lng="en"><![CDATA[Flora of Colombia]]></kwd>
<kwd lng="en"><![CDATA[Flora of Panama]]></kwd>
<kwd lng="en"><![CDATA[membrillo]]></kwd>
<kwd lng="es"><![CDATA[Región del Chocó]]></kwd>
<kwd lng="es"><![CDATA[Darién]]></kwd>
<kwd lng="es"><![CDATA[especie en peligro de extinción]]></kwd>
<kwd lng="es"><![CDATA[Flora de Colombia]]></kwd>
<kwd lng="es"><![CDATA[Flora de Panamá]]></kwd>
<kwd lng="es"><![CDATA[membrillo]]></kwd>
</kwd-group>
</article-meta>
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