<?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>S1405-27682022000200171</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.54.11</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comparación anatómica de la lámina foliar de cinco especies leñosas nativas del noreste de México durante la época húmeda y seca]]></article-title>
<article-title xml:lang="en"><![CDATA[Leaf blade anatomical comparison of five native woody species of Northeastern Mexico during the wet and dry season]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Filio-Hernández]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Rodríguez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cantú-Silva]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Gómez]]></surname>
<given-names><![CDATA[T.G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marmolejo-Monsivais]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Meza]]></surname>
<given-names><![CDATA[M.V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico Superior de San Miguel El Grande  ]]></institution>
<addr-line><![CDATA[Tlaxiaco Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Linares Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico de El Salto División de Estudios de Posgrado e Investigación]]></institution>
<addr-line><![CDATA[ Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Economía ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<numero>54</numero>
<fpage>171</fpage>
<lpage>183</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682022000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682022000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682022000200171&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En México, los ecosistemas áridos y semiáridos conforman más del 50% de la superficie del país, donde los periodos de sequía limitan el crecimiento y la supervivencia de las plantas. El objetivo del presente estudio fue determinar los rasgos anatómicos de la lámina foliar de Diospyros texana (Ebenaceae), Celtis laevigata (Cannabaceae), Bumelia celastrina (Sapotaceae), Condalia hookeri (Rhamnaceae) y Havardia pallens (Fabaceae) en condiciones de su hábitat natural, durante la época húmeda y seca. Estas especies arbustivas tienen una gran importancia en los sistemas agroforestales y servicios ecosistémicos en la región noreste de México. Los resultados observados durante la época húmeda indicaron que D. texana presentó el mayor GCAD (5.21 µm), AE (23.54 µm) y LE (31.08 µm); por su parte, la especie C. laevigata mostró un mayor GES (18.07 µm), GPE (77.63 µm) y DE (523; No. de estomas·mm-2). Por otro lado, durante la época de seca, el mayor GCAD (10.41 µm), GCAB (6.90 µm), GPES (95.24 µm) y GTF (201.82 µm) se observaron en B. celastrina. Los valores máximos para el GEAD (19.75 µm), GEAB (9.95 µm) y GPE (80.85 µm) se presentaron en C. laevigata. La mayor correlación que se manifestó en las cinco especies fue entre el GTF con el GPE y el GPES, la cual, fue estadísticamente significativa (p&lt;0.001). B. celastrina y H. palles son las especies que presentaron las mayores modificaciones anatómicas que son clave para tolerar periodos largos de sequía.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In Mexico, the arid and semiarid ecosystems encompass more than 50% of the country surface, where the dry periods limit plant growth and survival. The objective of present study was focused to determine the leaf blade anatomical traits of Diospyros texana (Ebenaceae), Celtis laevigata (Cannabaceae), Bumelia celastrina (Sapotaceae), Condalia hookeri (Rhamnaceae) and Havardia pallens (Fabaceae) under natural habitat conditions during the wet and dry season. These woody plant species have a great role in the agroforestry systems as well as in the ecosystems services that they offer in the northeastern region of Mexico. The observed results during the wet season indicated that D. texana showed the highest ADCT (5.21 µm), SW (23.54 µm) and SL (31.08 µm). On the other hand, the species C. laevigata acquired a higher ADET (18.07 µm), TPP (77.63 µm) and SD (523; stomata·mm-2). With respect to the dry season, the higher ADCT (10.41 µm), ABCT (6.90 µm), MT (95.24 µm) and TLT (201.82 µm) were achieved in B. celastrina. Maximum values for ADET (19.75 µm), ABET (9.95 µm) and TPP (80.85 µm) were observed in C. laevigata. The higher correlations observed in the five studied species were shown between TLT with TPP and MT, which was significant (p&lt;0.001). The species B. celastrina and H. pallens exhibited the higher anatomical traits differences which played a major role to withstand long periods of drought.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ecosistemas áridos]]></kwd>
<kwd lng="es"><![CDATA[características anatómicas]]></kwd>
<kwd lng="es"><![CDATA[Bumelia celastrina]]></kwd>
<kwd lng="es"><![CDATA[Havardia pallens]]></kwd>
<kwd lng="en"><![CDATA[arid ecosystems]]></kwd>
<kwd lng="en"><![CDATA[anatomical traits]]></kwd>
<kwd lng="en"><![CDATA[Bumelia celastrina]]></kwd>
<kwd lng="en"><![CDATA[Diospyros texana]]></kwd>
<kwd lng="en"><![CDATA[Havardia pallens]]></kwd>
</kwd-group>
</article-meta>
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