<?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>0370-3908</journal-id>
<journal-title><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. acad. colomb. cienc. exact. fis. nat.]]></abbrev-journal-title>
<issn>0370-3908</issn>
<publisher>
<publisher-name><![CDATA[Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0370-39082021000200489</article-id>
<article-id pub-id-type="doi">10.18257/raccefyn.1351</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Dos nuevas especies de Macropsychanthus (Leguminosae, Papilionoideae) de Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Two new species of Macropsychanthus (Leguminosae, Papilionoideae) from Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca-Cortés]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Departamento de Biología ]]></institution>
<addr-line><![CDATA[Bogotá D.C]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>45</volume>
<numero>175</numero>
<fpage>489</fpage>
<lpage>499</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0370-39082021000200489&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0370-39082021000200489&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0370-39082021000200489&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se describen e ilustran Macropsychanthus emberarum y Macropsychanthus obscurus, dos nuevas especies para la flora de Colombia, y se discuten sus relaciones morfológicas con las especies afines. Macropsychanthus emberarum se caracteriza por sus folíolos membranáceos, oblongos, con 12-14 pares de nervios secundarios, flores de 2,0-2,3 cm de longitud, estandartes de 1,4-1,5 x 1,4-1,5 cm, alas de 1,9-2,2 x 1,0-1,2 cm y quillas de 1,7-1,9 x 0,8-1,0 cm. Macropsychanthus obscurus presenta folíolos con 13-15 pares de nervios secundarios, quillas de ápices bicuspidados y legumbres comprimidas lateralmente. Macropsychanthus emberarum es una especie endémica del Pacífico y Macropsychanthus obscurus de las cordilleras Central y Occidental de los Andes colombianos. Se presenta una clave para determinar los subgéneros de Macropsychanthus y una para las especies de Macropsychanthus presentes en Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Macropsychanthus emberarum and Macropsychanthus obscurus, two new species from the Colombian flora are described, illustrated and their morphological relationships with related species are discussed. Macropsychanthus emberarum is characterized by its membranous, oblong leaflets, with 12-14 pairs of secondary nerves, flowers 2.0-2.3 cm long, standards 1.4-1.5 x 1.4-1.5 cm, wings 1.92.2 x 1.0-1.2 cm, and keels 1.7-1.9 x 0.8-1.0 cm. Macropsychanthus obscurus is characterized by its leaflets with 13-15 pairs of secondary nerves, bicuspidate apex keels, and laterally compressed pods. Macropsychanthus emberarum is endemic to the Colombian Pacific region and Macropsychanthus obscurus to the Central and Western Andes Cordilleras. Keys for the subgenera of Macropsychanthus and for the species of Macropsychanthus from Colombia are presented.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Diocleae]]></kwd>
<kwd lng="es"><![CDATA[Flora de Colombia]]></kwd>
<kwd lng="es"><![CDATA[Leguminosas trepadoras]]></kwd>
<kwd lng="en"><![CDATA[Climbing legumes]]></kwd>
<kwd lng="en"><![CDATA[Colombian flora]]></kwd>
<kwd lng="en"><![CDATA[Diocleae]]></kwd>
</kwd-group>
</article-meta>
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