<?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>S0187-71512023000100104</article-id>
<article-id pub-id-type="doi">10.21829/abm130.2023.2153</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Gonolobus gonzaleziarum (Apocynaceae), especie nueva de la ecorregión Madrense Tropical de la Sierra Madre Occidental, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Gonolobus gonzaleziarum (Apocynaceae), a new species from the Tropical Madrean ecoregion in the Sierra Madre Occidental, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pío-León]]></surname>
<given-names><![CDATA[Juan F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Castro]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado-Cárdenas]]></surname>
<given-names><![CDATA[Leonardo O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional ]]></institution>
<addr-line><![CDATA[Victoria de Durango Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional ]]></institution>
<addr-line><![CDATA[Durango Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias Departamento de Biología Comparada]]></institution>
<addr-line><![CDATA[Cd. Mx. ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<numero>130</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512023000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512023000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512023000100104&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos: Gonolobus comprende alrededor de 150 especies en el mundo, con poco más de 40 de ellas distribuidas en México. En los últimos dos años se han descrito al menos cinco nuevas especies de este país. En el presente trabajo se describe una nueva especie dentro del subgénero Pseudolachnostoma.  Métodos:  Se revisaron 13 herbarios, tres bases de datos digitales y literatura especializada. Con base en esto se compararon las especies similares y se generó una clave de identificación. Se realizaron expediciones a campo de 2019 a 2022 y se colectó y monitoreó la fenología de la especie de interés. Se planteó como hipótesis explicativa el concepto cohesivo de especie para el reconocimiento de los taxones aquí tratados.  Resultados clave:  Se describe la especie nueva Gonolobus gonzaleriarum, conocida de dos localidades de bosques de Pinus-Quercus entre los límites sureste y suroeste de los estados de Sinaloa y Durango, respectivamente. Se diferencia de las especies del subgénero Pseudolachnostoma por poseer ginostegio con un estípite reducido, lóbulos de la corola y sépalos de menor longitud que el tubo, aroma cítrico e inflorescencia densa. Se incluyen láminas fotográficas y una ilustración con los caracteres distintivos de la nueva especie, así como una clave dicotómica con las especies del subgénero Pseudolachnostoma. Con base en su área de distribución reducida y hábitat impactado, se considera una especie amenazada de acuerdo con los criterios de la IUCN.  Conclusiones:  Con el presente descubrimiento, el género Gonolobus llega a 45 especies en México con 24 endémicas. Gonolobus gonzaleriarum se considera con gran potencial ornamental por sus inflorescencias conspicuas y agradable aroma cítrico, lo que motiva en fomentar estrategias para su conservación, ya que se encuentra en una distribución restringida y hábitat amenazado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims: Gonolobus comprises around 150 species in the world, with just over 40 of them distributed in Mexico. In the last two years, at least five new species have been described for this country. This paper describes a new species within the subgenus Pseudolachnostoma.  Methods: Thirteen herbaria, three digital databases, and specialized literature were revised. Based on this, similar species were compared, and an identification key was generated. Field expeditions were made from 2019 to 2022 to gather botanical collections and monitor the phenology of the species of interest. The cohesive species concept was proposed as an explanatory hypothesis for the recognition of the taxa discussed here.  Key results:  The new species, Gonolobus gonzaleriarum, is described and located in two forests of Pinus-Quercus between the southeastern and southwestern limits of the states of Sinaloa and Durango, respectively. It differs from the species of the subgenus Pseudolachnostoma by having a gynostegium with a reduced stipe, lobes of the corolla and sepals of shorter length than the tube, citrus aroma, and a dense inflorescence. We included photographic plates, and an illustration with the distinctive characters, as well as a dichotomous key for the species of the subgenus Pseudolachnostoma. Based on its reduced range and impacted habitat, it is considered a threatened species, according to IUCN criteria.  Conclusions:  With the present discovery, the genus Gonolobus reaches 45 species in Mexico with 24 endemics. Gonolobus gonzaleriarum has great ornamental potential considering its conspicuous inflorescences and pleasant citrus aroma, which could encourage strategies for its conservation, since it is found in a restricted distribution and threatened habitat.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[endemismo]]></kwd>
<kwd lng="es"><![CDATA[Gonolobinae]]></kwd>
<kwd lng="es"><![CDATA[Gonolobus arizonicus]]></kwd>
<kwd lng="es"><![CDATA[Pseudolachnostoma]]></kwd>
<kwd lng="en"><![CDATA[endemism]]></kwd>
<kwd lng="en"><![CDATA[Gonolobinae]]></kwd>
<kwd lng="en"><![CDATA[Gonolobus arizonicus]]></kwd>
<kwd lng="en"><![CDATA[Pseudolachnostoma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alvarado-Cárdenas]]></surname>
<given-names><![CDATA[L. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortez]]></surname>
<given-names><![CDATA[E. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Cervantes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gonolobus lozadae, una nueva especie de Apocynaceae del estado de Oaxaca, México]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2021</year>
<volume>99</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>447-54</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alvarado-Cárdenas]]></surname>
<given-names><![CDATA[L. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Maya-Mandujano]]></surname>
<given-names><![CDATA[K. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez-Hernández]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gonolobus cthulhui (Apocynaceae), a new species from Oaxaca, Mexico]]></article-title>
<source><![CDATA[Acta Botanica Mexicana]]></source>
<year>2022</year>
<volume>129</volume>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alvarado-Cárdenas]]></surname>
<given-names><![CDATA[L. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Lozada-Pérez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Islas-Hernández]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortez]]></surname>
<given-names><![CDATA[E. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Maya-Mandujano]]></surname>
<given-names><![CDATA[K. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez-Hernández]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Apocináceas de ayer y hoy. Conocimiento histórico y reevaluación de la diversidad y distribución de Apocynaceae en México]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2020</year>
<volume>98</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>393-416</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bachman]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Moat]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[A. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Torre]]></surname>
<given-names><![CDATA[J. de la]]></given-names>
</name>
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool]]></article-title>
<source><![CDATA[ZooKeys]]></source>
<year>2011</year>
<volume>150</volume>
<page-range>111-26</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carnevali]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero-González]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia-Muñoz]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Morillo]]></surname>
<given-names><![CDATA[I. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Díaz]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cetzal-Ix]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Stefano]]></surname>
<given-names><![CDATA[R. Duno de]]></given-names>
</name>
<name>
<surname><![CDATA[Romero-Soler]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Twice lost, twice found: A new species of Gonolobus (Apocynaceae: Asclepiadoideae) with a reappraisal of the genus in the Yucatan Peninsula Biotic Province]]></article-title>
<source><![CDATA[Phytotaxa]]></source>
<year>2022</year>
<volume>530</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>141-62</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Endress]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Meve]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Middleton]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Liede-Schumann]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Apocynaceae. In: Kadereit, J. y V. Bittrich (eds.). Flowering Plants. Eudicots]]></article-title>
<source><![CDATA[The Families and Genera of Vascular Plants]]></source>
<year>2018</year>
<volume>15</volume>
<page-range>207-411</page-range><publisher-loc><![CDATA[Cham, Suiza ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González-Elizondo]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[M. González-Elizondo]]></surname>
<given-names><![CDATA[J. A. Tena-Flores]]></given-names>
</name>
<name>
<surname><![CDATA[L. Ruacho-González]]></surname>
<given-names><![CDATA[I. L. López-Enríquez]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vegetación de la Sierra Madre Occidental, México: Una síntesis]]></article-title>
<source><![CDATA[Acta Botanica Mexicana]]></source>
<year>2012</year>
<volume>100</volume>
<page-range>351-403</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New genera of Arizona, California, and their Mexican borders, and two additional species of Asclepiadaceae]]></article-title>
<source><![CDATA[Proceedings of the American Academy of Arts and Sciences]]></source>
<year>1885</year>
<volume>20</volume>
<page-range>290-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Barón]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Barón]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Ferrari]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gonolobus espejoi (Apocynaceae, Asclepiadoideae), a new species from Veracruz, Mexico]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>2021</year>
<volume>46</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>422-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Juárez-Jaimes]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[W. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lozada-Pérez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gonolobus spiranthus (Apocynaceae, Asclepiadoideae), una nueva especie de la vertiente del Pacífico Mexicano]]></article-title>
<source><![CDATA[Novon]]></source>
<year>2009</year>
<volume>19</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>479-81</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<collab>IUCN</collab>
<source><![CDATA[The International Union for Conservation of Nature. Guidelines for using the International Union for Conservation of Nature Red List categories and criteria, Ver. 14. Prepared by the Standards and Petitions Subcommittee]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krings]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[D. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Xiang]]></surname>
<given-names><![CDATA[Q. Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the generic circumscription of Gonolobus (Apocynaceae, Asclepiadoideae): Evidence from molecules and morphology]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>2008</year>
<volume>33</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>403-15</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mapes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Basurto]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biodiversity and edible plants of Mexico]]></article-title>
<source><![CDATA[Ethnobiology]]></source>
<year>2016</year>
<page-range>83-131</page-range><publisher-loc><![CDATA[Nueva York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McDonnell]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Parks]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fishbein]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multilocus phylogenetics of New World milkweed vines (Apocynaceae, Asclepiadoideae, Gonolobinae)]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>2018</year>
<volume>43</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-96</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<collab>Naturalista</collab>
<source><![CDATA[Comisión Nacional para el Conocimiento y Uso de la Biodiversidad]]></source>
<year>2022</year>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<collab>Naturalista</collab>
<source><![CDATA[Género Gonolobus, observación 6951466]]></source>
<year>2023</year>
<publisher-loc><![CDATA[Cd. Mx., México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y Uso de la Biodiversidad]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<collab>POWO</collab>
<source><![CDATA[Plants of the World Online]]></source>
<year>2022</year>
<publisher-loc><![CDATA[Kew, UK ]]></publisher-loc>
<publisher-name><![CDATA[Royal Botanical Gardens Kew Science]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<collab>SEINet</collab>
<source><![CDATA[Southwest Environmental Information Network, SEINEt Arizona-New Mexico Chapter]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[W. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fourteen new species of Gonolobus (Apocynaceae, Asclepiadoideae) from Mexico and Central America]]></article-title>
<source><![CDATA[Novon]]></source>
<year>2005</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>222-44</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Templeton]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The meaning of species and speciation: a genetic perspective]]></article-title>
<source><![CDATA[Speciation and its consequences]]></source>
<year>1989</year>
<page-range>3-27</page-range><publisher-loc><![CDATA[Massachusetts ]]></publisher-loc>
<publisher-name><![CDATA[Sinauer Associates, Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thiers]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[updated continuously. Index Herbariorum, a global directory of public herbaria and associated staff]]></source>
<year>2022</year>
<publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[New York Botanical Garden&#8217;s Virtual Herbarium]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<collab>Tropicos</collab>
<source><![CDATA[Tropicos.org ver. 3.3.2]]></source>
<year>2022</year>
<publisher-name><![CDATA[Missouri Botanical Garden]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Woodson]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The North American Asclepiadaceae I. Perspective of the genera]]></article-title>
<source><![CDATA[Annals of the Missouri Botanical Garden]]></source>
<year>1941</year>
<volume>28</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>193-244</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
