<?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>S0187-71512020000100121</article-id>
<article-id pub-id-type="doi">10.21829/abm127.2020.1625</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A new species of Annonaceae, endemic to the limestone karst forests of Chiapas, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Una especie nueva de Annonaceae, endémica de los bosques kársticos de Chiapas, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Méndez]]></surname>
<given-names><![CDATA[Gaspar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Rodriguez]]></surname>
<given-names><![CDATA[Andrés Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias y Artes de Chiapas Facultad de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[Tuxtla Gutiérrez Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Biología Departamento de Botánica]]></institution>
<addr-line><![CDATA[ Cd. Mx.]]></addr-line>
<country>Mexico</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=S0187-71512020000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512020000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512020000100121&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background 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.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos:  En México, los géneros neotropicales de la tribu Miliuseae (Annonaceae), en específico Sapranthus, Stenanona y Tridimeris, son muy diversos y muchas de sus especies son endémicas de este país. No obstante, su diversidad total no está completamente documentada y como resultado de recientes exploraciones en el sur de México, muchas especies nuevas han sido colectadas. En este artículo, se describe una especie nueva de Stenanona.  Métodos: Colectamos una especie nueva de Stenanona durante trabajo de campo en una zona de bosques kársticos poco estudiada y ubicada en las tierras altas de Chiapas, México. El reconocimiento de la especie nueva se basó en la correlación de varios caracteres morfológicos, a través de comparaciones con especies morfológicamente similares y revisión de literatura. Con base en las localidades conocidas para la nueva especie, calculamos su extensión de ocurrencia (EOO) y su área de ocupación (AOO) en GeoCAT, aplicando las categorías y criterios de la Lista Roja de la UICN, determinamos su estado de conservación.  Resultados clave: Se describe e ilustra a Stenanona morenoi, una especie nueva de Annonaceae endémica de los bosques kársticos del sur de México. Con base en los criterios establecidos por la UICN, es posible determinar, de manera tentativa, que la especie está en peligro crítico (CR B1ab (iii)).  Conclusiones: Dentro del clado Desmopsis-Stenanona, las características morfológicas que distinguen a S. morenoi sugieren una cercana relación filogenética con los miembros del subclado A. Dentro de este linaje, S. morenoi comparte varias características morfológicas con S. migueliana, S. stenopetala y S. zoque.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cauliflory]]></kwd>
<kwd lng="en"><![CDATA[Miliuseae]]></kwd>
<kwd lng="en"><![CDATA[Neotropics]]></kwd>
<kwd lng="en"><![CDATA[tropical rainforest]]></kwd>
<kwd lng="es"><![CDATA[bosque tropical perennifolio]]></kwd>
<kwd lng="es"><![CDATA[caulifloría]]></kwd>
<kwd lng="es"><![CDATA[Miliuseae]]></kwd>
<kwd lng="es"><![CDATA[Neotrópico]]></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[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]]></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>117-26</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brewer]]></surname>
<given-names><![CDATA[S. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rejmánek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Webb]]></surname>
<given-names><![CDATA[M. A. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Fine]]></surname>
<given-names><![CDATA[P. V. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationships of phytogeography and diversity of tropical tree species with limestone topography in southern Belize]]></article-title>
<source><![CDATA[Journal of Biogeography]]></source>
<year>2003</year>
<volume>30</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1669-88</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bystriakova]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Alves De Melo]]></surname>
<given-names><![CDATA[P. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Moat]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lughadha]]></surname>
<given-names><![CDATA[E. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Monro]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Preliminary Evaluation of the Karst Flora of Brazil Using Collections Data]]></article-title>
<source><![CDATA[Scientific Reports]]></source>
<year>2019</year>
<volume>9</volume>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Donoghue]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A critique of the biological species concept and recommendations for a phylogenetic alternative]]></article-title>
<source><![CDATA[The Bryologist]]></source>
<year>1985</year>
<volume>88</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>172-81</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fries]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Revision der Arten einiger Anonaceen-Gattungen-II]]></article-title>
<source><![CDATA[Acta Horti Bergiani]]></source>
<year>1931</year>
<volume>10</volume>
<page-range>129-341</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<collab>GBIF</collab>
<source><![CDATA[GBIF Backbone Taxonomy. Checklist dataset, Stenanona migueliana]]></source>
<year>2019</year>
<publisher-name><![CDATA[Ortiz-Rodr. &amp; G.E. Schatz]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<collab>GBIF</collab>
<source><![CDATA[GBIF Backbone Taxonomy. Checklist dataset, Stenanona stenopetala (Donn. Sm.)]]></source>
<year>2019</year>
<publisher-name><![CDATA[G.E. Schatz]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<collab>IUCN Standards and Petitions Committee</collab>
<source><![CDATA[Guidelines for using the International Union for Conservation of Nature Red List categories and criteria]]></source>
<year>2019</year>
<publisher-name><![CDATA[Prepared by the Standards and Petitions Committee]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<collab>JSTOR</collab>
<source><![CDATA[JSTOR Global Plants]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Rodriguez]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Schatz]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Licona-Vera]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Sánchez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new species of Stenanona (Annonaceae) endemic to Chiapas, México]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2014</year>
<volume>92</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>37-41</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Rodriguez]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Sanchez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ornelas]]></surname>
<given-names><![CDATA[J. F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phylogenetic relationships among members of the Neotropical clade of Miliuseae (Annonaceae): Generic non-monophyly of Desmopsis and Stenanona]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>2016</year>
<volume>41</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>815-22</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Rodriguez]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ornelas]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Sanchez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A jungle tale: Molecular phylogeny and divergence time estimates of the Desmopsis-Stenanona clade (Annonaceae) in Mesoamerica]]></article-title>
<source><![CDATA[Molecular Phylogenetics and Evolution]]></source>
<year>2018</year>
<volume>122</volume>
<page-range>80-94</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Rodriguez]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Domínguez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa Jiménez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Sanchez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ornelas]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Brewer]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Living on the rocks: a new species of Stenanona (Annonaceae) from karst limestone forests of southern Mexico]]></article-title>
<source><![CDATA[Phytotaxa]]></source>
<year>2018</year>
<volume>383</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>293-300</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schatz]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Systematic and ecological studies of Central American Annonaceae]]></source>
<year>1987</year>
<page-range>504</page-range><publisher-loc><![CDATA[Madison, Wisconsin, USA ]]></publisher-loc>
<publisher-name><![CDATA[University of Wisconsin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schatz]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Maas]]></surname>
<given-names><![CDATA[P. J. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Synoptic revision of Stenanona (Annonaceae)]]></article-title>
<source><![CDATA[Blumea]]></source>
<year>2010</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>205-23</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schatz]]></surname>
<given-names><![CDATA[G. E]]></given-names>
</name>
<name>
<surname><![CDATA[Wendt]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new flagelliflorous species of Stenanona (Annonaceae) from Mexico, with a review of the phenomenon of flagelliflory]]></article-title>
<source><![CDATA[Lundellia]]></source>
<year>2004</year>
<volume>7</volume>
<page-range>28-38</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schatz]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Maas]]></surname>
<given-names><![CDATA[P. J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maas-van de Kamer]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Westra]]></surname>
<given-names><![CDATA[L. Y. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Wieringa]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Revision of the Neotropical genus Sapranthus (Annonaceae)]]></article-title>
<source><![CDATA[Blumea]]></source>
<year>2018</year>
<volume>63</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>54-66</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Standley]]></surname>
<given-names><![CDATA[P. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Studies of American plants I. Publications of the Field Columbian Museum]]></article-title>
<source><![CDATA[Botanical Series]]></source>
<year>1929</year>
<volume>4</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>205-8</page-range></nlm-citation>
</ref>
<ref id="B19">
<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[Index Herbariorum: A global directory of public herbaria and associated staff]]></source>
<year>2019</year>
<publisher-name><![CDATA[New York Botanical Garden&#8217;s Virtual Herbarium]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wendt]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las selvas de Uxpanapa, Veracruz-Oaxaca, México: evidencia de refugios florísticos cenozoicos]]></article-title>
<source><![CDATA[Anales del Instituto de Biología serie Botánica]]></source>
<year>1989</year>
<volume>58</volume>
<page-range>29-54</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
