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<document ID-DOI="10.15560/17.1.181" ID-ISSN="1809-127X" approvalRequired="195" approvalRequired_for_taxonomicNames="1" approvalRequired_for_textStreams="185" approvalRequired_for_treatments="9" checkinTime="1630281882285" checkinUser="marcus" docAuthor="Desjardins, Émilie, Lai, Sandra, Payette, Serge, Dubé, Martin, Sokoloff, Paul C., St-Louis, Annie, Poulin, Marie-Pier, Legros, Jade, Sirois, Luc, Vézina, François, Tam, Andrew &amp; Berteaux, Dominique" docDate="2021" docId="7A1887E1A24DFF94FF2D6B083A7F5ABF" docLanguage="en" docName="CheckList.2021.17.1.181-225.pdf" docOrigin="Check List 17 (1)" docSource="http://dx.doi.org/10.15560/17.1.181" docStyle="DocumentStyle:BB30DA0EB5D11E1D6FE264CD32192DE2.1:CheckList.2017-.journal_article.annotatedlist" docStyleId="BB30DA0EB5D11E1D6FE264CD32192DE2" docStyleName="CheckList.2017-.journal_article.annotatedlist" docStyleVersion="1" docTitle="Potentilla pulchella R. Brown" docType="treatment" docVersion="1" lastPageNumber="214" masterDocId="8621FF99A26CFFB5FF856D5D3E2B5C72" masterDocTitle="Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas" masterLastPageNumber="225" masterPageNumber="181" pageId="33" pageNumber="214" updateTime="1630281888554" updateUser="marcus" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo>
<mods:title>Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Desjardins, Émilie</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Lai, Sandra</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Payette, Serge</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Dubé, Martin</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sokoloff, Paul C.</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>St-Louis, Annie</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Poulin, Marie-Pier</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Legros, Jade</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sirois, Luc</mods:namePart>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Vézina, François</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Tam, Andrew</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Berteaux, Dominique</mods:namePart>
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<mods:title>Check List</mods:title>
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<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-02-09</mods:number>
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<mods:detail type="volume">
<mods:number>17</mods:number>
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<mods:identifier type="DOI">10.15560/17.1.181</mods:identifier>
<mods:identifier type="ISSN">1809-127X</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:7A1887E1A24DFF94FF2D6B083A7F5ABF" httpUri="http://treatment.plazi.org/id/7A1887E1A24DFF94FF2D6B083A7F5ABF" lastPageNumber="214" pageId="33" pageNumber="214">
<subSubSection box="[168,505,1621,1646]" pageId="33" pageNumber="214" type="nomenclature">
<paragraph blockId="33.[168,505,1621,1646]" box="[168,505,1621,1646]" pageId="33" pageNumber="214">
<heading box="[168,505,1621,1646]" fontSize="10" level="2" pageId="33" pageNumber="214" reason="2">
<taxonomicName authority="R. Brown" authorityName="R. Brown" box="[168,505,1621,1646]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="pulchella">
<emphasis bold="true" box="[168,505,1621,1646]" inLineHeading="true" pageId="33" pageNumber="214" reason="1">
<emphasis bold="true" box="[168,388,1621,1645]" italics="true" pageId="33" pageNumber="214">Potentilla pulchella</emphasis>
R. Brown
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[168,319,1655,1679]" pageId="33" pageNumber="214" type="description">
<paragraph blockId="33.[167,780,1655,2091]" box="[168,319,1655,1679]" pageId="33" pageNumber="214">
<figureCitation box="[168,319,1655,1679]" captionStart="Figure 15" captionStartId="34.[169,232,1699,1719]" captionTargetBox="[168,1419,159,1674]" captionTargetId="figure-153@34.[168,1419,159,1674]" captionTargetPageId="34" captionText="Figure 15. Rosaceae. A. Dryas integrifolia Vahl subsp. integrifolia habit, B. flower, and C. fruits. D. Potentilla pulchella R. Brown subpubescent plant habit and E. pubescent plant habit. Photos A by Audrey Le Pogam, B, D by Émilie Desjardins, C by Francis Robitaille, and E by Charline Couchoux." pageId="33" pageNumber="214">Figure 15D, E</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="33" pageNumber="214" type="materials_examined">
<paragraph blockId="33.[167,780,1655,2091]" pageId="33" pageNumber="214">
<emphasis bold="true" box="[168,404,1694,1718]" pageId="33" pageNumber="214">Materials examined.</emphasis>
<collectingCountry box="[410,523,1694,1718]" name="Canada" pageId="33" pageNumber="214">CANADA</collectingCountry>
<emphasis bold="true" box="[549,648,1694,1718]" pageId="33" pageNumber="214">
<collectingRegion box="[549,648,1694,1718]" country="Canada" name="Nunavut" pageId="33" pageNumber="214">Nunavut</collectingRegion>
</emphasis>
• Ellesmere Island,
<collectionCode box="[246,294,1727,1751]" country="Canada" httpUri="http://grbio.org/cool/4rrx-qe60" name="Canadian Forest Service, Pacific Forest Research Centre" pageId="33" pageNumber="214">CFS</collectionCode>
Alert;
<geoCoordinate box="[370,500,1726,1751]" degrees="82" direction="north" minutes="28" orientation="latitude" pageId="33" pageNumber="214" precision="15" seconds="04" value="82.46778">82°2804″N</geoCoordinate>
,
<geoCoordinate box="[509,655,1726,1751]" degrees="062" direction="west" minutes="51" orientation="longitude" pageId="33" pageNumber="214" precision="15" seconds="28" value="-62.857777">062°5128″W</geoCoordinate>
;
<quantity box="[663,715,1727,1751]" metricMagnitude="1" metricUnit="m" metricValue="3.1" pageId="33" pageNumber="214" unit="m" value="31.0">31 m</quantity>
a.s.l.;
<date box="[167,285,1761,1785]" pageId="33" pageNumber="214" value="2019-07-09">9 Jul. 2019</date>
; habitat: xeric in a slope, with till and rocks as substrates, dominated by
<taxonomicName box="[448,587,1794,1818]" class="Magnoliopsida" family="Salicaceae" genus="Salix" kingdom="Plantae" order="Malpighiales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="arctica">
<emphasis box="[448,587,1794,1818]" italics="true" pageId="33" pageNumber="214">Salix arctica</emphasis>
</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Dryas" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="integrifolia">
<emphasis italics="true" pageId="33" pageNumber="214">Dryas integrifolia</emphasis>
</taxonomicName>
;
<collectionCode box="[249,302,1827,1851]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15846" lsid="urn:lsid:biocol.org:col:15846" name="Herbier Louis-Marie, Unviersité Laval" pageId="33" pageNumber="214" type="Herbarium">QFA</collectionCode>
0635000.
</paragraph>
<paragraph blockId="33.[167,780,1655,2091]" pageId="33" pageNumber="214">
<emphasis bold="true" box="[168,330,1866,1890]" pageId="33" pageNumber="214">Identification.</emphasis>
Plants 2.0
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high; herbaceous; caespitose. Taproot and rhizomes present. Stems 2.0
<quantity box="[168,242,1933,1957]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" pageId="33" pageNumber="214" unit="cm" value="5.5">5.5 cm</quantity>
long; ascending, decumbent, or prostrate; hairy, with non-glandular hairs. Leaves basal and cauline; heterophyllous; petiolate. Stipules green or reddish-brown; hairy. Petioles
<quantity box="[339,447,2033,2057]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" metricValueMax="2.8" metricValueMin="0.5" pageId="33" pageNumber="214" unit="mm" value="16.5" valueMax="28.0" valueMin="5.0">528 mm</quantity>
long; hairy, with white nonglandular hairs. Basal leaf blades
<quantity box="[530,645,2067,2091]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="2.5" metricValueMin="1.0" pageId="33" pageNumber="214" unit="mm" value="17.5" valueMax="25.0" valueMin="10.0">1025 mm</quantity>
long, 1022
</paragraph>
<paragraph blockId="33.[809,1422,160,1673]" pageId="33" pageNumber="214">
mm wide; pinnate-compound, with 35 pinnatisect leaflets distributed along the lower 2/3 of leaf axis. Leaflet blades
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long,
<quantity box="[1073,1168,228,252]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="9.0" metricValueMin="4.0" pageId="33" pageNumber="214" unit="mm" value="6.5" valueMax="9.0" valueMin="4.0">49 mm</quantity>
wide; obovate; lobed, with 37 lanceolate, obtuse lobes; abaxial and adaxial surfaces both hairy, with white longsilky, non-glandular hairs (sometimes adaxial surface glabrate with few hairs); margins revolute and ciliate. Cauline leaf blades simple or ternate-compound. Inflorescence a solitary flower or a cyme, with 2 or 3 flowers. Epicalyx
<quantity box="[1331,1419,431,455]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="33" pageNumber="214" unit="mm" value="2.0" valueMax="3.0" valueMin="1.0">13 mm</quantity>
long, 0.51.0 mm wide; oblanceolate. Sepals 5;
<quantity box="[1327,1419,465,489]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="33" pageNumber="214" unit="mm" value="4.5" valueMax="6.0" valueMin="3.0">36 mm</quantity>
long,
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wide; ovate; green; surface hairy, with hyaline non-glandular hairs; margins ciliate; apices acute. Petals 5;
<quantity box="[907,998,566,590]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="33" pageNumber="214" unit="mm" value="4.5" valueMax="6.0" valueMin="3.0">36 mm</quantity>
long,
<quantity box="[1066,1154,566,590]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="33" pageNumber="214" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">23 mm</quantity>
wide; obovate; unlobed, slightly lobed, or undulating; yellow. Androecium with 1722 stamens and
<quantity box="[1035,1170,634,658]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="33" pageNumber="214" unit="mm" value="0.5" valueMax="0.6" valueMin="0.4">0.40.6 mm</quantity>
long anthers. Gynoecium consisting of numerous separate carpels, with
<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.05" metricValueMax="1.2" metricValueMin="0.9" pageId="33" pageNumber="214" unit="mm" value="1.05" valueMax="1.2" valueMin="0.9">0.9 1.2 mm</quantity>
long conical styles.
</paragraph>
<paragraph blockId="33.[809,1422,160,1673]" pageId="33" pageNumber="214">
<taxonomicName box="[847,1065,735,759]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="pulchella">
<emphasis box="[847,1065,735,759]" italics="true" pageId="33" pageNumber="214">Potentilla pulchella</emphasis>
</taxonomicName>
can be distinguished from the nine other
<taxonomicName box="[930,1228,769,793]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis box="[930,1036,769,793]" italics="true" pageId="33" pageNumber="214">Potentilla</emphasis>
Linnaeus species
</taxonomicName>
present on Ellesmere Island (
<collectionCode box="[967,1028,803,827]" pageId="33" pageNumber="214">GBIF</collectionCode>
2020) by the pinnate leaves (in contrast to ternate or palmate leaves in
<taxonomicName authority="(Turczaninow) Juzepczuk subsp. arenosa" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="subSpecies" species="arenosa" subSpecies="arenosa">
<emphasis box="[1242,1359,838,861]" italics="true" pageId="33" pageNumber="214">P. arenosa</emphasis>
(Turczaninow) Juzepczuk subsp.
<emphasis box="[1121,1208,871,894]" italics="true" pageId="33" pageNumber="214">arenosa</emphasis>
</taxonomicName>
and
<taxonomicName authority="(Hulten) Elven &amp; D. F. Murray" authorityName="Elven &amp; D. F. Murray" baseAuthorityName="Hulten" pageId="33" pageNumber="214" rank="subSpecies" subSpecies="chamissonis">
subsp.
<emphasis italics="true" pageId="33" pageNumber="214">chamissonis</emphasis>
(Hultén) Elven &amp; D.F. Murray
</taxonomicName>
,
<taxonomicName box="[1206,1350,904,928]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="hyparctica">
<emphasis box="[1206,1350,904,928]" italics="true" pageId="33" pageNumber="214">P. hyparctica</emphasis>
</taxonomicName>
Malte
<taxonomicName box="[809,1005,938,962]" pageId="33" pageNumber="214" rank="subSpecies" subSpecies="hyparctica">
subsp.
<emphasis box="[889,1005,938,962]" italics="true" pageId="33" pageNumber="214">hyparctica</emphasis>
</taxonomicName>
and
<taxonomicName authority="(Abromeit) Elven &amp; D. F. Murray" authorityName="Elven &amp; D. F. Murray" baseAuthorityName="Abromeit" pageId="33" pageNumber="214" rank="subSpecies" subSpecies="elatior">
subsp.
<emphasis box="[1145,1217,938,962]" italics="true" pageId="33" pageNumber="214">elatior</emphasis>
(Abromeit) Elven &amp; D.F. Murray
</taxonomicName>
,
<taxonomicName authority="Linnaeus" authorityName="Linnaeus" box="[1002,1212,972,996]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="nivea">
<emphasis box="[1002,1095,973,996]" italics="true" pageId="33" pageNumber="214">P. nivea</emphasis>
Linnaeus
</taxonomicName>
,
<taxonomicName authority="Jurtzev" authorityName="Jurtzev" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="subgorodkovii">
<emphasis box="[1230,1419,972,996]" italics="true" pageId="33" pageNumber="214">P. subgorodkovii</emphasis>
Jurtzev
</taxonomicName>
,
<taxonomicName authority="Jurtzev" authorityName="Jurtzev" box="[904,1158,1006,1030]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="tikhomirovii">
<emphasis box="[904,1068,1006,1030]" italics="true" pageId="33" pageNumber="214">P. tikhomirovii</emphasis>
Jurtzev
</taxonomicName>
,
<taxonomicName authority="Lehmann" authorityName="Lehmann" box="[1173,1416,1006,1030]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="vahliana">
<emphasis box="[1173,1299,1006,1030]" italics="true" pageId="33" pageNumber="214">P. vahliana</emphasis>
Lehmann
</taxonomicName>
, and
<taxonomicName authority="Juzepczuk" authorityName="Juzepczuk" box="[854,1131,1040,1064]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="vulcanicola">
<emphasis box="[854,1008,1040,1064]" italics="true" pageId="33" pageNumber="214">P. vulcanicola</emphasis>
Juzepczuk
</taxonomicName>
;
<bibRefCitation author="Ertter B &amp; Elven R &amp; Reveal JL &amp; Murray DF &amp; Oxford, UK" box="[1141,1320,1040,1064]" pageId="33" pageNumber="214" pagination="121 - 126" refId="ref42069" refString="Ertter B, Elven R, Reveal JL. Murray DF (2014) Potentilla Linnaeus. In: Flora of North America Editorial Committee (Ed.) Flora of North America, North of Mexico, Volume 9 - Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York, USA / Oxford, UK, 121 - 126." type="book chapter" year="2014">Ertter et al. 2014</bibRefCitation>
); the pinnate leaflets distributed along the 1/61/2 and more of the leaf axis (in contrast to 1/61/4 of the leaf axis in
<taxonomicName authority="(Rydberg) Rydberg" authorityName="Rydberg" authorityYear="1908" baseAuthorityName="Rydberg" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="pedersenii">
<emphasis italics="true" pageId="33" pageNumber="214">P. pedersenii</emphasis>
(Rydberg) Rydberg
</taxonomicName>
and
<taxonomicName authority="Lehmann" authorityName="Lehmann" box="[1151,1415,1141,1165]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="rubricaulis">
<emphasis box="[1151,1301,1141,1165]" italics="true" pageId="33" pageNumber="214">P. rubricaulis</emphasis>
Lehmann
</taxonomicName>
;
<bibRefCitation author="Ertter B &amp; Elven R &amp; Reveal JL &amp; Murray DF &amp; Oxford, UK" box="[810,1000,1175,1199]" pageId="33" pageNumber="214" pagination="121 - 126" refId="ref42069" refString="Ertter B, Elven R, Reveal JL. Murray DF (2014) Potentilla Linnaeus. In: Flora of North America Editorial Committee (Ed.) Flora of North America, North of Mexico, Volume 9 - Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York, USA / Oxford, UK, 121 - 126." type="book chapter" year="2014">Ertter et al. 2014</bibRefCitation>
); and the ≤
<quantity box="[1127,1190,1175,1199]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="33" pageNumber="214" unit="mm" value="3.0">3 mm</quantity>
wide petals (in con- trast to all other
<taxonomicName box="[994,1184,1209,1233]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis box="[994,1100,1209,1233]" italics="true" pageId="33" pageNumber="214">Potentilla</emphasis>
species
</taxonomicName>
present on Ellesmere Island, which have ≥
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wide petals;
<bibRefCitation author="Ertter B &amp; Elven R &amp; Reveal JL &amp; Murray DF &amp; Oxford, UK" box="[1230,1410,1243,1267]" pageId="33" pageNumber="214" pagination="121 - 126" refId="ref42069" refString="Ertter B, Elven R, Reveal JL. Murray DF (2014) Potentilla Linnaeus. In: Flora of North America Editorial Committee (Ed.) Flora of North America, North of Mexico, Volume 9 - Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York, USA / Oxford, UK, 121 - 126." type="book chapter" year="2014">Ertter et al. 2014</bibRefCitation>
).
</paragraph>
<paragraph blockId="33.[809,1422,160,1673]" pageId="33" pageNumber="214">
At Alert,
<taxonomicName box="[950,1079,1277,1301]" class="Magnoliopsida" family="Rosaceae" genus="Potentilla" kingdom="Plantae" order="Rosales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="species" species="pulchella">
<emphasis box="[950,1079,1277,1301]" italics="true" pageId="33" pageNumber="214">P. pulchella</emphasis>
</taxonomicName>
is highly polymorphic in terms of hairiness. Most individuals have silvery-white appearance due to dense hairs on leaves, whereas few individuals are sparsely hairy (
<figureCitation box="[1051,1175,1378,1402]" captionStart="Figure 15" captionStartId="34.[169,232,1699,1719]" captionTargetBox="[168,1419,159,1674]" captionTargetId="figure-153@34.[168,1419,159,1674]" captionTargetPageId="34" captionText="Figure 15. Rosaceae. A. Dryas integrifolia Vahl subsp. integrifolia habit, B. flower, and C. fruits. D. Potentilla pulchella R. Brown subpubescent plant habit and E. pubescent plant habit. Photos A by Audrey Le Pogam, B, D by Émilie Desjardins, C by Francis Robitaille, and E by Charline Couchoux." pageId="33" pageNumber="214">Fig. 15D, E</figureCitation>
).
<collectionCode box="[1194,1213,1378,1402]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="33" pageNumber="214" type="Herbarium">A</collectionCode>
molecular study of this species on
<collectingCountry box="[981,1076,1412,1436]" name="Svalbard and Jan Mayen" pageId="33" pageNumber="214">Svalbard</collectingCountry>
has shown that there is nearly no genetic (
<collectionCode box="[942,1017,1446,1470]" pageId="33" pageNumber="214">RAPD</collectionCode>
) variation among subpubescent and pubescent plants (
<bibRefCitation author="Hansen KT &amp; Elven R &amp; Brochmann C" box="[1010,1229,1479,1504]" pageId="33" pageNumber="214" pagination="1466 - 1479" refId="ref43059" refString="Hansen KT, Elven R, Brochmann C (2000) Molecules and morphology in concert: tests of some hypothesis in arctic Potentilla (Rosaceae). American Journal of Botany 87 (10): 1466 - 1479. https: // doi. org / 10.2307 / 2656873" type="journal article" year="2000">Hansen et al. 2000</bibRefCitation>
). Instead, pubescence variation is phenotypic and is associated with different abiotic conditions: pubescent plants growing on cliffs, ridges, scree slopes, and silt shore terraces, and subpubescent plants on gravel shore terraces (
<bibRefCitation author="Hansen KT &amp; Elven R &amp; Brochmann C" pageId="33" pageNumber="214" pagination="1466 - 1479" refId="ref43059" refString="Hansen KT, Elven R, Brochmann C (2000) Molecules and morphology in concert: tests of some hypothesis in arctic Potentilla (Rosaceae). American Journal of Botany 87 (10): 1466 - 1479. https: // doi. org / 10.2307 / 2656873" type="journal article" year="2000">Hansen et al. 2000</bibRefCitation>
).
</paragraph>
<paragraph blockId="33.[810,1108,1717,1741]" box="[810,1108,1717,1741]" pageId="33" pageNumber="214">
<taxonomicName box="[810,924,1717,1741]" class="Magnoliopsida" family="Salicaceae" kingdom="Plantae" order="Malpighiales" pageId="33" pageNumber="214" phylum="Tracheophyta" rank="family">Salicaceae</taxonomicName>
Willow family
</paragraph>
</subSubSection>
</treatment>
</document>