<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682021000200151</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.52.11</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Arquitectura foliar y anatomía epidérmica de las especies mexicanas del género Gouania (Rhamnaceae)]]></article-title>
<article-title xml:lang="en"><![CDATA[Foliar architecture and epidermal anatomy of Mexican species of the genus Gouania (Rhamnaceae)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Peñaloza]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Nava]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arreguín-Sánchez]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Nacional de Ciencias Bilógicas Departamento de Botánica]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<numero>52</numero>
<fpage>151</fpage>
<lpage>174</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682021000200151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682021000200151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682021000200151&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las hojas de diez especies de Gouania (Rhamnaceae) para México fueron estudiadas con el propósito de identificar aspectos morfológicos y anatómicos foliares que pudiesen permitir la diferenciación de los taxones, que en el caso particular de este género se basa en la morfología de los frutos, que no siempre se encuentran en campo y en varios casos los ejemplares de herbario carecen de estos. Las hojas completas fueron diafanizadas y teñidas con safranina y azul de metileno y fotografiadas, describiéndose e ilustrándose los patrones de venación de segunda, tercera y cuarta categoría. El número de venas secundarias en la lámina foliar, la ausencia o no de glándulas en los márgenes o de tricomas en la lámina y los tipo de estomas, fueron caracteres que posibilitaron la diferenciación de los taxones estudiados. Se evidenció la importancia de la arquitectura foliar en el reconocimiento taxonómico de los especímenes a partir de caracteres vegetativo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The leaves of ten species of the genus Gouania (Rhamnaceae) cited for Mexico were studied with the goal of characterizing the foliar morphological and anatomical aspects that could allow the differentiation of taxa, which in the particular case of this genus is based on the morphology of the fruits, which are not always found in the field and in several cases the herbarium specimens lack these. The complete leaves were cleared and colored with safranin and methylene blue and photographed, describing and illustrating the second, third and fourth category venation patterns The number of secondary veins in the leaf blade, the presence or absence of glands in the margins or trichomes in the lamina and the types of stomata, were characters that made possible the differentiation of the studied species. The importance of foliar architecture in the taxonomic recognition of specimens from vegetative characters was evidenced.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Venación]]></kwd>
<kwd lng="es"><![CDATA[Glándulas]]></kwd>
<kwd lng="es"><![CDATA[Pubescencia]]></kwd>
<kwd lng="es"><![CDATA[Estomas]]></kwd>
<kwd lng="en"><![CDATA[Venation]]></kwd>
<kwd lng="en"><![CDATA[Glands]]></kwd>
<kwd lng="en"><![CDATA[Pubescence]]></kwd>
<kwd lng="en"><![CDATA[Stomata]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acevedo Rodríguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bejucos y Plantas Trepadoras de Puerto Rico e Islas Virgenes]]></source>
<year>2003</year>
<page-range>. 362-4</page-range><publisher-loc><![CDATA[Washington DC ]]></publisher-loc>
<publisher-name><![CDATA[Smithsonian Institution]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguirre Claverán]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Arreguín Sánchez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Claves de familias, géneros, especies y variedades de Pteridofitas de Nuevo León]]></article-title>
<source><![CDATA[An. Esc. Nac. Cienc. Biól]]></source>
<year>1988</year>
<numero>29</numero>
<issue>29</issue>
<page-range>29-41</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azcárraga]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonfil Campos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jácquez Ríos]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval Zapotitla]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Cuautitlán]]></surname>
<given-names><![CDATA[F. d.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas de Anatomía Vegetal]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[U.N.A.M. Dirección General de Publicaciones y Fomento Editorial]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brongniart]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Memoire sur la famille des Rhamnées, ou histoire naturalle des generes qui composent ce groupe de plantes]]></source>
<year>1827</year>
<volume>10</volume>
<publisher-loc><![CDATA[Paris ]]></publisher-loc>
<publisher-name><![CDATA[Ann. Sci. Nat]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Colares]]></surname>
<given-names><![CDATA[M. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Arambarri]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ziziphus mistol (Rhamnaceaea): Morfoanatomía y Arquitectura Foliar]]></article-title>
<source><![CDATA[Lat. Am. J. Pharm]]></source>
<year>2008</year>
<volume>27</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>568-77</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cuadernos de Histología Vegetal]]></source>
<year>1982</year>
<publisher-loc><![CDATA[Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Marban]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cusato]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Tortosa]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rhamnaceae. Flora del Paraguay]]></source>
<year>2013</year>
<numero>44</numero>
<issue>44</issue>
<page-range>1-63</page-range><publisher-loc><![CDATA[Chambésy ]]></publisher-loc>
<publisher-name><![CDATA[Conservatoire et Jardin botaniques, Ville de Genève]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dilcher]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Approaches to the Identification of Angiosperm Leaf Remains]]></article-title>
<source><![CDATA[Bot. Rev]]></source>
<year>1974</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-157</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernandez N]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rhamnaceae]]></article-title>
<source><![CDATA[Flora del Bajío y de Regiones adyacentes]]></source>
<year>1996</year>
<numero>43</numero>
<issue>43</issue>
<page-range>1-69</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[La familia Rhamnaceae en México]]></source>
<year>1993</year>
<publisher-loc><![CDATA[México, D. F ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández-Nava]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rhamnaceae]]></article-title>
<source><![CDATA[Flora de Veracruz]]></source>
<year>1986</year>
<numero>50</numero>
<issue>50</issue>
<page-range>32-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gola]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Negri]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cappelletti]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tratado de Botánica]]></source>
<year>1965</year>
<edition>Segunda</edition>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Labor, S. A]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gomes Bezerra]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Soares Silva]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomes]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arquitectura foliar de las Lauraceae del Distrito Federal, Brasil y nuevos patrones de venación propuesto]]></article-title>
<source><![CDATA[Gayana Bot]]></source>
<year>2011</year>
<volume>68</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hickey]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification of the Architecture of Dicotyledonous Leaves]]></article-title>
<source><![CDATA[Amer. J. Bot]]></source>
<year>1973</year>
<volume>60</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-33</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hickey]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clasificación de la arquitectura de las hojas de dicotiledoneas]]></article-title>
<source><![CDATA[Bol. Soc. Argent. Bot]]></source>
<year>1974</year>
<volume>16</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>1-26</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hickey]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wolfe]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Bases of Angiosperms Phylogeny: Vegetative Morphology]]></article-title>
<source><![CDATA[Ann. Mo. Bot. Gard]]></source>
<year>1975</year>
<numero>62</numero>
<issue>62</issue>
<page-range>538-89</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jacquin]]></surname>
<given-names><![CDATA[N. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Selectarum Stirpum Americanarum Historia]]></source>
<year>1763</year>
<volume>263</volume>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnston]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Revision of Colubrina]]></article-title>
<source><![CDATA[Brittonia]]></source>
<year>1971</year>
<numero>23</numero>
<issue>23</issue>
<page-range>4-5</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jussieu]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Genera Plantarum. Apud Viduam Herissant]]></source>
<year>1789</year>
<publisher-loc><![CDATA[Paris ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meyer]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Meola]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Morphological Characteristics of Leaves and Stems of Selected Texas Woody Plants]]></source>
<year>1978</year>
<page-range>158091</page-range><publisher-name><![CDATA[Dep. Agrie. Tech. Bull]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pool]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Taxonomic revisión of Gouania (Rhamnaceae) for North America]]></article-title>
<source><![CDATA[Ann. Mo. Bot. Gard]]></source>
<year>2014</year>
<volume>99</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>490-552</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pool]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rhamnaceae]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Davidse]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Charter]]></surname>
<given-names><![CDATA[A. O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora Mesoamericana]]></source>
<year>2014</year>
<volume>2</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-116</page-range><publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schirarend]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Systematic Wood anatomy of the Rhamnaceae Juss. (Rhamnales). I. Tribu Zizipheae]]></article-title>
<source><![CDATA[Iawa Bull]]></source>
<year>1991</year>
<volume>12</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>359-88</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shisode]]></surname>
<given-names><![CDATA[S. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Patil]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Petiolar anatomy in some Rhamnaceae]]></article-title>
<source><![CDATA[Current Botany]]></source>
<year>2011</year>
<volume>2</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>22-5</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Standley]]></surname>
<given-names><![CDATA[P. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rhamnaceae. Trees and Shrubs of Mexico]]></source>
<year>1923</year>
<volume>23</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>710-27</page-range><publisher-name><![CDATA[Contr. U.S. Nat. Herb]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wiggins]]></surname>
<given-names><![CDATA[I. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora of Baja California]]></source>
<year>1980</year>
<page-range>780-7</page-range><publisher-loc><![CDATA[Calif ]]></publisher-loc>
<publisher-name><![CDATA[Stanford University Press]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
