<?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>1409-3871</journal-id>
<journal-title><![CDATA[Lankesteriana]]></journal-title>
<abbrev-journal-title><![CDATA[Lankesteriana]]></abbrev-journal-title>
<issn>1409-3871</issn>
<publisher>
<publisher-name><![CDATA[Lankester Botanical Garden, University of Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-38712017000200235</article-id>
<article-id pub-id-type="doi">10.15517/lank.v17i2.30100</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Masdevallia Luerorum (Orchidaceae: Pleurothallidinae) , a new species from Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bogarín]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oses]]></surname>
<given-names><![CDATA[LizBeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[Christina M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica Jardín Botánico Lankester ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chiriquí Herbario UCH ]]></institution>
<addr-line><![CDATA[David ]]></addr-line>
<country>Panamá</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Minnesota Dept. of Plant and Microbial Biology ]]></institution>
<addr-line><![CDATA[St. Paul MN]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>17</volume>
<numero>2</numero>
<fpage>235</fpage>
<lpage>244</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-38712017000200235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-38712017000200235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-38712017000200235&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Masdevallia luerorum from the southern Pacific region of Costa Rica is described and illustrated. It resembles M. lata, but differs in the single flowered inflorescence, the shorter sepals, the broad and cylindrical sepaline tube, the smaller mentum beneath the column-foot, a smaller secondary mentum, a slight deflection between the two mentums, and the lip with marginal folds near the middle, apically rounded and conspicuously verrucose. Initial phylogenetic evidence indicated that Masdevallia nicaraguae is closely allied to M. luerorum. However, M. nicaraguae is distinguished by the white flowers suffused with fuchsia stripes toward the bases of sepals and the thick and triangular, shorter sepaline tails of the lateral sepals. Moreover, both species are isolated geographically.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se describe e ilustra Masdevallia luerorum del Pacífico sur de Costa Rica. Es similar a M. lata, pero difiere en la infloresencia uniflora, los sépalos más cortos, el tubo sepalino amplio y cilíndrico un mentón más pequeño debajo del pie de la columna, un mentón secundario más corto, una ligera deflexión entre ambos mentones, y el labelo con pliegues marginales cerca de la mitad y apicalmente redondeado y conspicuamente verrucoso. Evidencia filogenética inicial indicó que Masdevallia nicaraguae está estrechamente relacionada con M. luerorum. Sin embargo, M. nicaraguae se distingue por las flores blancas con rayas fucsia hacia las bases de los sépalos y colas sepalinas triangulares, más cortas y gruesas. Además, ambas especies están aisladas geográficamente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Epidendreae]]></kwd>
<kwd lng="en"><![CDATA[Flora of Costa Rica]]></kwd>
<kwd lng="en"><![CDATA[Masdevallia lata]]></kwd>
<kwd lng="en"><![CDATA[Masdevallia luerorum]]></kwd>
<kwd lng="en"><![CDATA[taxonomy]]></kwd>
</kwd-group>
</article-meta>
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