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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.203.83529" ID-Pensoft-Pub="1314-2003-203-1" ID-Pensoft-UUID="001CD6EE01E8575F81AC9EFDD0599077" ModsDocID="1314-2003-203-1" checkinTime="1659410005165" checkinUser="pensoft" docAuthor="Boza Espinoza, Tatiana Erika &amp; Kessler, Michael" docDate="2022" docId="6C3831B83DF030A390BE368EB39441B4" docLanguage="en" docName="PhytoKeys 203: 1-274" docOrigin="PhytoKeys 203" docPubDate="2022-08-01" docSource="http://dx.doi.org/10.3897/phytokeys.203.83529" docTitle="Polylepis humboldtii T. Boza, K. Romoleroux &amp; M. Kessler, Phytoxa 454 (2): 113. 2020" docType="treatment" docVersion="1" id="001CD6EE01E8575F81AC9EFDD0599077" lastPageNumber="1" masterDocId="001CD6EE01E8575F81AC9EFDD0599077" masterDocTitle="A monograph of the genus Polylepis (Rosaceae)" masterLastPageNumber="274" masterPageNumber="1" pageNumber="1" updateTime="1659410005165" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A monograph of the genus Polylepis (Rosaceae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Boza Espinoza, Tatiana Erika</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-9925-1795</mods:nameIdentifier>
<mods:affiliation>Institute for Nature, Earth and Energy (INTE), Pontificia Universidad Catolica del Peru (PUCP), Av. Universitaria 1801, Lima 15088, Peru</mods:affiliation>
<mods:nameIdentifier type="email">tatianaerika@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kessler, Michael</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4612-9937</mods:nameIdentifier>
<mods:affiliation>Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-08-01</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>203</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>274</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.203.83529</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.203.83529</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-203-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">001CD6EE01E8575F81AC9EFDD0599077</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:6C3831B83DF030A390BE368EB39441B4" httpUri="http://treatment.plazi.org/id/6C3831B83DF030A390BE368EB39441B4" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
10.
<taxonomicName authority="T. Boza, K. Romoleroux &amp; M. Kessler, Phytoxa 454 (2): 113. 2020" authorityName="T. Boza, K. Romoleroux &amp; M. Kessler, Phytoxa 454 (2): 113." authorityYear="2020" class="Aves" family="Rosaceae" genus="Polylepis" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Polylepis humboldtii" order="Rosales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="species" species="humboldtii">Polylepis humboldtii T.Boza, K.Romoleroux &amp; M.Kessler, Phytoxa 454(2): 113. 2020</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 33" captionStartId="F33" captionText="Figure 33. Polylepis humboldtii T. Boza, K. Romol. &amp; M. Kessler A flowering branch B upper leaflet surface C lower leaflet surface D bark E flowers (A-E Romoleroux et al. 6199). Scale bars: 3 cm (A); 1 cm (B, C); 3 mm (E). Photographs A, D T. E. Boza E. B, C, E E. Bastidas." figureDoi="10.3897/phytokeys.203.83529.figure33" httpUri="https://binary.pensoft.net/fig/721350" pageId="0" pageNumber="1">Figs 33</figureCitation>
<figureCitation captionStart="Figure 34" captionStartId="F34" captionText="Figure 34. Polylepis humboldtii T. Boza, K. Romoleroux &amp; M. Kessler A flowering branch B upper leaf surface C lower leaf surface D fruit E stipular sheats (A, D Carate 187 B Carate 185 C, E Carate 188). Scale bars: 7 cm (A); 2 cm (B, C); 5 mm (D). Photographs by T. E. Boza E." figureDoi="10.3897/phytokeys.203.83529.figure34" httpUri="https://binary.pensoft.net/fig/721351" pageId="0" pageNumber="1">, 34</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2019-12-17" collectorName="de Atillo, K. Romoleroux, T. E. Boza, E. Bastidas" country="Ecuador" elevation="3465" latitude="-2.1333334" location="Lagunas de Atillo" longLatPrecision="1307" longitude="-78.566666" specimenCount="1" stateProvince="Chimborazo" typeStatus="holotype">
<collectingCountry name="Ecuador">Ecuador</collectingCountry>
.
<collectingRegion country="Ecuador" name="Chimborazo">Chimborazo</collectingRegion>
:
<location LSID="urn:lsid:plazi:treatment:6C3831B83DF030A390BE368EB39441B4:451C357D358AD2C8541600EC46FE16C9" country="Ecuador" latitude="-2.1333334" longLatPrecision="1307" longitude="-78.566666" name="Lagunas de Atillo" stateProvince="Chimborazo">
Lagunas
<collectorName>de Atillo</collectorName>
</location>
,
<geoCoordinate degrees="02" direction="south" minutes="08" orientation="latitude" precision="925" value="-2.1333334">02°08'S</geoCoordinate>
,
<geoCoordinate degrees="78" direction="west" minutes="34" orientation="longitude" precision="925" value="-78.566666">78°34'W</geoCoordinate>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="3.465" unit="m" value="3465.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="3.465" unit="m" value="3465.0">3465 m</elevation>
</quantity>
,
<collectingDate value="2019-12-17">17 Dec 2019</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="1">
<collectorName>K. Romoleroux</collectorName>
,
<collectorName>T.E. Boza</collectorName>
E. &amp;
<collectorName>E. Bastidas</collectorName>
6199
</emphasis>
(
<typeStatus>holotype</typeStatus>
: QCA!; isotype: Z!)
</materialsCitation>
.
</paragraph>
<caption doi="10.3897/phytokeys.203.83529.figure33" httpUri="https://binary.pensoft.net/fig/721350" pageId="0" pageNumber="1" start="Figure 33" startId="F33">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 33.</emphasis>
<taxonomicName class="Aves" family="Rosaceae" genus="Polylepis" kingdom="Plantae" lsidName="Polylepis humboldtii" order="Centrales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">Polylepis humboldtii</emphasis>
</taxonomicName>
T.Boza, K. Romol. &amp; M.Kessler
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
flowering branch
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
upper leaflet surface
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
lower leaflet surface
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
bark
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
flowers (
<emphasis bold="true" pageId="0" pageNumber="1">A-E</emphasis>
<emphasis italics="true" pageId="0" pageNumber="1">Romoleroux et al. 6199</emphasis>
). Scale bars:
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.0" unit="cm" value="3.0">3 cm</quantity>
(
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
);
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.0" unit="cm" value="1.0">1 cm</quantity>
(
<emphasis bold="true" pageId="0" pageNumber="1">B, C</emphasis>
);
<quantity metricMagnitude="-3" metricUnit="m" metricValue="3.0" unit="mm" value="3.0">3 mm</quantity>
(
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
). Photographs
<emphasis bold="true" pageId="0" pageNumber="1">A, D</emphasis>
T. E. Boza E.
<emphasis bold="true" pageId="0" pageNumber="1">B, C, E</emphasis>
E. Bastidas.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Trees</emphasis>
4-12 m tall.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaves</emphasis>
strongly congested at the branch tips, imparipinnate with 3-4 pairs of the lateral leaflets, obtrullate in outline, 4.5-6.3
<normalizedToken originalValue="×">x</normalizedToken>
3.4-4.3 cm; rachises densely sericeous, points of leaflet attachment with a tuft of long, straight whitish hairs; stipular sheaths apically acute with spurs, densely sericeous in the upper surface; leaflets elliptic in outline, second pair from the terminal leaflet the largest, one of this pair 1.8-2.8
<normalizedToken originalValue="×">x</normalizedToken>
0.6-0.9 cm; margin entire, apically emarginate, basally unequally cordate; upper leaflet surfaces glabrous; lower leaflet surfaces densely sericeous with whitish hairs 0.2-0.4 mm. long.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Inflorescences</emphasis>
pendant, 13.0-17.9(-20.4) cm long, bearing 23-29 flowers; floral bracts 9.3-11.1 mm long, narrowly triangular, densely sericeous on the outer surface; rachises glabrous.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Flowers</emphasis>
7.4-8.4 mm diam.; sepals 4, ovate, green, densely sericeous outside; stamens 9-15, anthers orbicular, with a dense tuft of straight white hairs on the upper half; styles fimbriate, 1.9-2.9 mm long.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Fruits</emphasis>
turbinate, with variable numbers and placement of flattened spines, densely sericeous; 3.3-5.1
<normalizedToken originalValue="×">x</normalizedToken>
3.1-7.4 mm including spines.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Diploid</emphasis>
.
</paragraph>
<caption doi="10.3897/phytokeys.203.83529.figure34" httpUri="https://binary.pensoft.net/fig/721351" pageId="0" pageNumber="1" start="Figure 34" startId="F34">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 34.</emphasis>
<taxonomicName class="Aves" family="Rosaceae" genus="Polylepis" kingdom="Plantae" lsidName="Polylepis humboldtii" order="Centrales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">Polylepis humboldtii</emphasis>
</taxonomicName>
T.Boza, K.Romoleroux &amp; M.Kessler
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
flowering branch
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
upper leaf surface
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
lower leaf surface
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
fruit
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
stipular sheats (
<emphasis bold="true" pageId="0" pageNumber="1">A, D</emphasis>
<emphasis italics="true" pageId="0" pageNumber="1">Carate 187</emphasis>
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
<emphasis italics="true" pageId="0" pageNumber="1">Carate 185</emphasis>
<emphasis bold="true" pageId="0" pageNumber="1">C, E</emphasis>
<emphasis italics="true" pageId="0" pageNumber="1">Carate 188</emphasis>
). Scale bars: 7 cm (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
); 2 cm (
<emphasis bold="true" pageId="0" pageNumber="1">B, C</emphasis>
); 5 mm (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
). Photographs by T. E. Boza E.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution, habitat and ecology.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Aves" family="Rosaceae" genus="Polylepis" kingdom="Plantae" lsidName="Polylepis humboldtii" order="Centrales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">Polylepis humboldtii</emphasis>
</taxonomicName>
is restricted to Chimborazo Province in Ecuador (Fig.
<figureCitation captionStart="Figure 41" captionStartId="F41" captionText="Figure 41. Geographical distribution of the species of subsection Polylepis Sericeae Sericeae." figureDoi="10.3897/phytokeys.203.83529.figure41" httpUri="https://binary.pensoft.net/fig/721358" pageId="0" pageNumber="1">41</figureCitation>
). It occurs in small populations in mixed Andean Forest at 3800-4000 m elevation.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="conservation status">
<paragraph pageId="0" pageNumber="1">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="1">
The AOO is estimated as 4 km2 and it has been collected at only two locations in Ecuador. Although it is protected within Sangay National Park, burning of the
<normalizedToken originalValue="páramo">paramo</normalizedToken>
grassland matrix likely affects the remaining
<taxonomicName authorityName="Ruiz &amp; Pavon" authorityYear="1794" class="Aves" family="Rosaceae" genus="Polylepis" kingdom="Plantae" lsidName="Polylepis" order="Centrales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Polylepis</emphasis>
</taxonomicName>
forest patches. Therefore, we assess
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. humboldtii" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">P. humboldtii</emphasis>
</taxonomicName>
as Critically Endangered (B2a, C2).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="notes">
<paragraph pageId="0" pageNumber="1">Notes.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Aves" family="Rosaceae" genus="Polylepis" kingdom="Plantae" lsidName="Polylepis humboldtii" order="Centrales" pageId="0" pageNumber="1" phylum="Marchantiophyta" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">Polylepis humboldtii</emphasis>
</taxonomicName>
seems morphologically closest to
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. sericea" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="sericea">
<emphasis italics="true" pageId="0" pageNumber="1">P. sericea</emphasis>
</taxonomicName>
with which it shares similar leaflet shape, margin, apex and upper and lower leaflet surfaces hairs type and density. The most obvious differences between these species are leaflet hair length, with
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. humboldtii" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">P. humboldtii</emphasis>
</taxonomicName>
having shorter hairs than
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. sericea" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="sericea">
<emphasis italics="true" pageId="0" pageNumber="1">P. sericea</emphasis>
</taxonomicName>
(0.2-0.4 mm versus 0.7-1.0 mm) and longer inflorescences (13.0-20.4 cm) with more flowers (23-29) than
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. sericea" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="sericea">
<emphasis italics="true" pageId="0" pageNumber="1">P. sericea</emphasis>
</taxonomicName>
(3.3-4.5 cm, 9-15 flowers). Additionally,
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. humboldtii" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="humboldtii">
<emphasis italics="true" pageId="0" pageNumber="1">P. humboldtii</emphasis>
</taxonomicName>
occurs in central Ecuadorean Andes, whereas
<taxonomicName family="Rosaceae" genus="P." kingdom="Plantae" lsidName="P. sericea" order="Rosales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="sericea">
<emphasis italics="true" pageId="0" pageNumber="1">P. sericea</emphasis>
</taxonomicName>
is distributed from western Venezuela to central Colombia.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2009-04-13" collectingDateMax="2013-07-11" collectingDateMin="2009-04-13" collectorName="de Atillo" country="Ecuador" county="Alausi" elevation="3300" latitude="-2.1333334" location="Lagunas de Atillo" longLatPrecision="1307" longitude="-78.566666" municipality="Achupallas" specimenCount="1" stateProvince="Chimborazo">
<emphasis bold="true" pageId="0" pageNumber="1">
<collectingCountry name="Ecuador">Ecuador</collectingCountry>
.
<collectingRegion country="Ecuador" name="Chimborazo">Chimborazo</collectingRegion>
</emphasis>
:
<normalizedToken originalValue="Alausí">
<collectingCounty>Alausi</collectingCounty>
</normalizedToken>
,
<collectingMunicipality>Achupallas</collectingMunicipality>
, alrededores,
<geoCoordinate degrees="2" direction="south" minutes="17" orientation="latitude" precision="925" value="-2.2833333">2°17'S</geoCoordinate>
,
<geoCoordinate degrees="78" direction="west" minutes="39" orientation="longitude" precision="925" value="-78.65">78°39'W</geoCoordinate>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="3.3" unit="m" value="3300.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="3.3" unit="m" value="3300.0">3300 m</elevation>
</quantity>
,
<collectingDate value="2013-07-11">11 July 2013</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="1">Caranqui 2565</emphasis>
(QCA!);
<location LSID="urn:lsid:plazi:treatment:6C3831B83DF030A390BE368EB39441B4:83A8893348A6E3484673CB69CAA86CA3" country="Ecuador" county="Alausi" latitude="-2.1333334" longLatPrecision="1307" longitude="-78.566666" municipality="Achupallas" name="Lagunas de Atillo" stateProvince="Chimborazo">
Lagunas
<collectorName>de Atillo</collectorName>
</location>
,
<geoCoordinate degrees="2" direction="south" minutes="8" orientation="latitude" precision="925" value="-2.1333334">2°8'S</geoCoordinate>
,
<geoCoordinate degrees="78" direction="west" minutes="34" orientation="longitude" precision="925" value="-78.566666">78°34'W</geoCoordinate>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="3.465" unit="m" value="3465.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="3.465" unit="m" value="3465.0">3465 m</elevation>
</quantity>
,
<collectingDate value="2009-04-13">13 April 2009</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="1">Carate et al. 184; 185; 188</emphasis>
(QCA!)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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