<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532017000100056</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2017.01.021</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis morfométrico de Cestrum guatemalense, C. mexicanum y C. pacayense (Solanaceae)]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphometric analysis of Cestrum guatemalense, C. mexicanum and C. pacayense (Solanaceae)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Batista]]></surname>
<given-names><![CDATA[Ana Patricia del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ponce-Saavedra]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montero-Castro]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo  ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Biología Laboratorio de Entomología «Biol. Sócrates Cisneros Paz»]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Biología Laboratorio de Sistemática Molecular de Plantas]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>88</volume>
<numero>1</numero>
<fpage>56</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532017000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532017000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532017000100056&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Ha existido una confusión taxonómica entre Cestrum guatemalense Francey, C. mexicanum Francey y C. pacayense Francey, especies distribuidas en el sur de México, Guatemala, Honduras y El Salvador. La dificultad para reconocer estas especies se debe en parte a la plasticidad de algunos de sus caracteres morfológicos, por lo que incluso se han propuesto como sinónimos. Para tratar de diferenciar estas especies, se revisaron 158 ejemplares del acervo de los herbarios F, IEB, MEXU, MO, NY, TEX y US, evaluando 21 caracteres morfológicos vegetativos y florales, de los cuales 15 pasaron pruebas de normalidad, homocedasticidad y presentaron diferencias significativas. Con esta información se realizaron análisis de componentes principales y discriminante canónico. Las características que tuvieron más importancia en los análisis fueron las relacionadas con el cáliz y filamentos de los estambres. El análisis de componentes principales presenta 2 agrupamientos, uno de estos es exclusivo de especímenes identificados como C. mexicanum, lo cual fue corroborado con el análisis discriminante. Por todo lo anterior, consideramos adecuado restablecer C. mexicanum como una especie válida y los individuos de las otras especies permanecen como un complejo que necesita estudios adicionales para determinar su delimitación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: There has been a taxonomic confusion among Cestrum guatemalense Francey, C. mexicanum Francey y C. pacayense Francey, species distributed in southern Mexico, Guatemala, Honduras and El Salvador. The difficulty in recognizing these species is partly due to the plasticity of some of its morphological characters; in fact, they have been proposed as synonyms. In order to differentiate these species, 158 samples of the herbariums F, IEB, MEXU, MO, NY, TEX and US were reviewed, evaluating 21 morphological characters, vegetative and floral, 15 of which approved positively for normality, homocedasticity and significant differences. With this information, principal component and discriminant analyses were performed. The characteristics related to the calyx and filaments of the stamens are the most important in both analyses. The principal component analysis presents 2 clusters, 1 of these only with specimens identified as C. mexicanum, which was corroborated by the discriminant analysis. For all these reasons, we consider the recognition of C. mexicanum as a species. Conversely, individuals of the other species remain as a complex of species that needs additional studies to determine its boundaries.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Morfometría]]></kwd>
<kwd lng="es"><![CDATA[Cestrum]]></kwd>
<kwd lng="es"><![CDATA[Análisis multivariado]]></kwd>
<kwd lng="es"><![CDATA[Delimitación de especies]]></kwd>
<kwd lng="en"><![CDATA[Morphometry]]></kwd>
<kwd lng="en"><![CDATA[Cestrum]]></kwd>
<kwd lng="en"><![CDATA[Multivariate analysis]]></kwd>
<kwd lng="en"><![CDATA[Species delimitation]]></kwd>
</kwd-group>
</article-meta>
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