<?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>2007-4298</journal-id>
<journal-title><![CDATA[Botanical Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Bot. sci]]></abbrev-journal-title>
<issn>2007-4298</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Botánica de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-42982023000200619</article-id>
<article-id pub-id-type="doi">10.17129/botsci.3221</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A morphological analysis of the Mammillaria fittkaui species complex (Cactaceae) reveals a new species from Jalisco, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[El análisis morfológico del complejo de especies Mammillaria fittkaui (Cactaceae) revela una especie nueva de Jalisco, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Brunel]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-Reyes]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Sanchez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Aarón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Departamento de Botánica y Zoología Centro Universitario de Ciencias Biológicas y Agropecuarias]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara  Centro Universitario de Ciencias Biológicas y Agropecuarias]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias ]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias ]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>101</volume>
<numero>2</numero>
<fpage>619</fpage>
<lpage>631</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982023000200619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982023000200619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982023000200619&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract   Background: The Mammillaria series Stylothelae (Cactaceae) includes 16 taxa distributed mostly among the limits of the Chihuahuan Desert (CD) with the Sierra Madre Oriental and the Transmexican Volcanic Belt (TVB). In Jalisco, four pink flowered species occur at the southwestern end of the CD where it meets the TVB. The boundaries and recognition of three species related with M. fittkaui (M. fittkaui complex) are debatable.  Question: Should the taxa of the Mammillaria fittkaui species complex be considered as species?  Studied species:  Four pink flowered Mammillaria series Stylothelae (M. fittkaui species complex) and M. zeilmanniana as comparative species.  Study site:  Western Mexico.  Methods: Six morphological characters were sampled in specimens from the type locations of three pink flowered species, one locality of Mammillaria sp., and M. zeilmanniana. We used a permutational multivariate analysis of variance on six characters of each of the groups and a discriminant analysis to evaluate the morphological variation among species and to determine the correct classification of each individual.  Results:  The analyses identified four well defined morphological groups with statistical significance within the Mammillaria fittkaui complex. We recognized M. fittkaui, M. limonensis, and M. manana as species and here describe M. arreolae as a new species from Jalisco.  Conclusions: In Cactaceae, morphometry has been useful to establish species boundaries. The Mammillaria fittkaui complex includes four species. Mammillaria arreolae differs from the other species by the shorter tubercles, flowers, and fruits. In addition, it develops more than one hooked central spine per areole.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Mammillaria serie Stylothelae (Cactaceae) incluye 16 taxones distribuidos principalmente entre los límites del Desierto Chihuahuense (DC), la Sierra Madre Oriental y el Eje Volcánico Transmexicano (EVT). En Jalisco, cuatro taxones de flores rosas ocurren en el extremo suroeste del DC que confluye con el EVT. Los límites y el reconocimiento de tres especies relacionadas con M. fittkaui (complejo M. fittkaui) son debatibles.  Pregunta:  ¿Los taxones del complejo de especies Mammillaria fittkaui deberían ser considerados como especies diferentes?  Especies estudiadas:  Cuatro especies de Mammillaria serie Stylothelae de flores rosas (complejo M. fittkaui) y M. zeilmanniana como grupo comparativo.  Sitio de estudio:  Occidente de México.  Métodos:  Seis caracteres morfológicos fueron muestreados en las localidades tipo de las tres especies de flores rosas, una localidad de Mammillaria sp. y M. zeilmanniana. Se utilizó un análisis multivariado de varianza basado en permutaciones en seis caracteres entre los cinco grupos y un análisis discriminante para evaluar la variación morfológica entre especies y determinar la correcta clasificación de cada individuo.  Resultados: Los análisis identificaron cuatro grupos bien definidos con significancia estadística dentro del complejo Mammillaria fittkaui. Reconocemos a M. fittkaui, M. limonensis y M. manana y describimos a M. arreolae como una especie nueva de Jalisco.  Conclusiones: En Cactaceae, la morfometría es útil para establecer límites entre especies. El complejo Mammillaria fittkaui incluye cuatro especies. Mammillaria arreolae difiere de las otras especies por sus tubérculos, flores y frutos más cortos. Además, desarrolla más de una espina central uncinada por aréola.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cacti]]></kwd>
<kwd lng="en"><![CDATA[morphometry]]></kwd>
<kwd lng="en"><![CDATA[Stylothelae]]></kwd>
<kwd lng="es"><![CDATA[cactáceas]]></kwd>
<kwd lng="es"><![CDATA[morfometría]]></kwd>
<kwd lng="es"><![CDATA[Stylothelae]]></kwd>
</kwd-group>
</article-meta>
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