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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.236.111819" ID-Pensoft-Pub="1314-2003-236-39" ID-Pensoft-UUID="5DF285F73A6F5D4CBF2BE89C74B4D089" ModsDocID="1314-2003-236-39" checkinTime="1701152596610" checkinUser="pensoft" docAuthor="Li, Mingwan, Li, Dan, Lu, Mengfei, Mo, Shuangfeng, Ding, Shen, Chen, Yuanyuan, Lai, Yong, Zhang, Dangquan, Liao, Wenbo &amp; Fan, Qiang" docDate="2023" docId="CB30416CB61152C9A3F4DD53D957CC37" docLanguage="en" docName="PhytoKeys 236: 39-52" docOrigin="PhytoKeys 236" docPubDate="2023-11-27" docSource="http://dx.doi.org/10.3897/phytokeys.236.111819" docTitle="Cotoneaster densiflorus M. W. Li, Q. Fan &amp; W. B. Liao 2023, sp. nov." docType="treatment" docVersion="2" id="5DF285F73A6F5D4CBF2BE89C74B4D089" lastPageNumber="39" masterDocId="5DF285F73A6F5D4CBF2BE89C74B4D089" masterDocTitle="A new species of Cotoneaster (Rosaceae) from western Sichuan, China" masterLastPageNumber="52" masterPageNumber="39" pageNumber="39" updateTime="1701152897995" updateUser="ExternalLinkService">
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<mods:title id="D5C3FEBDF4505E5670ECB18F905AE75F">A new species of Cotoneaster (Rosaceae) from western Sichuan, China</mods:title>
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<mods:namePart id="744039E958A849EC60DDD9890E97E439">Li, Mingwan</mods:namePart>
<mods:nameIdentifier id="B3AE4A3A1D443A82031A6712A7067A98" type="ORCID">https://orcid.org/0000-0002-6620-5792</mods:nameIdentifier>
<mods:affiliation id="1DB6C84B9A4E83B29E3FFA22431AA9A8">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="6849B80169C735F175767ECDBF84CAAA">Li, Dan</mods:namePart>
<mods:affiliation id="F7A70E8EFA229F334C318672F7E05528">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
</mods:name>
<mods:name id="B8BF7B73B0AC8C78CC44DDA243923E38" type="personal">
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<mods:namePart id="E7E42029733E320EE63F8647A5CC13EE">Lu, Mengfei</mods:namePart>
<mods:affiliation id="C0A201A8426A34CA7587712FD7CD88FA">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="54C575756A667350018FAAE769DA5BA7">Mo, Shuangfeng</mods:namePart>
<mods:affiliation id="FFBE839B579D176ABE20ACD030DC2736">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="E7A3AB63709D537753A3CB2D437E923C">Ding, Shen</mods:namePart>
<mods:affiliation id="42F4D808A9BBC44AA9D0110B638C9486">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="4ADD399787BE24406F535BD4C16E7471">Chen, Yuanyuan</mods:namePart>
<mods:affiliation id="E30C2FC9A89A777F346701FFE127D28B">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="CE72AAE956BF0F83657CF134094577B9">Lai, Yong</mods:namePart>
<mods:affiliation id="592A36CD687E673AFD7641E37DAFF739">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
</mods:name>
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<mods:namePart id="3F1FD5999F51A3277229208C307AC32B">Zhang, Dangquan</mods:namePart>
<mods:affiliation id="2F64AFE2C4868C35E00FB31562ADFECC">College of Forestry, Henan Agricultural University, Zhengzhou 450002, China</mods:affiliation>
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<mods:namePart id="F70CD1598731206614C21814207CF3B2">Liao, Wenbo</mods:namePart>
<mods:affiliation id="AA38498A1ADFAF2BE6D7A3A962591B5A">State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
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<mods:namePart id="F2E97F48C5FE974A008EBFFB0A742F86">Fan, Qiang</mods:namePart>
<mods:nameIdentifier id="C4FB3E0634C84C628D1CD6DC04DCD21D" type="ORCID">https://orcid.org/0000-0003-4254-6936</mods:nameIdentifier>
<mods:affiliation id="94F1539B06273B1CC7EAA335DD6F96CF">State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
<mods:nameIdentifier id="3A5D3A73C53A89602245B68E554DCB12" type="email">fanqiang@mail.sysu.edu.cn</mods:nameIdentifier>
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<mods:title id="DB035843C3153683CFF494C6B5D3C45E">PhytoKeys</mods:title>
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<mods:part id="558E480AAC9E8AFD8A148EB308C32D71">
<mods:date id="3B559DD23F2FE9FA9E7D48D9628F2C90">2023</mods:date>
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<mods:number id="C7012D9FDB91143911E3AE3510F27C0B">2023-11-27</mods:number>
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<mods:number id="9512A0F8451057EF3165E94B5EB85230">236</mods:number>
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<mods:start id="256D51AD5C8E07D60A4C4673E6E2E55F">39</mods:start>
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<mods:url id="CDDBA07EBC7E1E7EE6C94DC9DC95419D">http://dx.doi.org/10.3897/phytokeys.236.111819</mods:url>
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<mods:classification id="A33DC93BD997E61296343F1FC3499C36">journal article</mods:classification>
<mods:identifier id="AC946FAC467B3C032E449FBA4C426D37" type="DOI">http://dx.doi.org/10.3897/phytokeys.236.111819</mods:identifier>
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</mods:mods>
<treatment id="CB30416CB61152C9A3F4DD53D957CC37" LSID="urn:lsid:plazi:treatment:CB30416CB61152C9A3F4DD53D957CC37" httpUri="http://treatment.plazi.org/id/CB30416CB61152C9A3F4DD53D957CC37" lastPageNumber="39" pageId="0" pageNumber="39">
<subSubSection id="8F9F10164AD4E09AC5702A32E4585715" pageId="0" pageNumber="39" type="nomenclature">
<paragraph id="578E476ED3FFE9A483A3F9299C60C160" pageId="0" pageNumber="39">
<taxonomicName id="9E08EFC1FAC81EED9EE673772AF2A10D" LSID="CB30416C-B611-52C9-A3F4-DD53D957CC37" authority="M. W. Li, Q. Fan &amp; W. B. Liao" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus" status="sp. nov.">Cotoneaster densiflorus M.W. Li, Q. Fan &amp; W. B. Liao</taxonomicName>
<taxonomicNameLabel id="50EFD4A5290386947E73355C453CEC67" pageId="0" pageNumber="39">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="DD8E4F6B4DC05D5445C63E7F2741AF32" pageId="0" pageNumber="39" type="materials_examined">
<paragraph id="7759200B6ABD7A2135DA85F48AB4C70D" pageId="0" pageNumber="39">
<typeStatus id="092D08DDE7F2EC5A5F5EEED3B433720C">Type</typeStatus>
.
</paragraph>
<paragraph id="1B3CF8EF284C6F8468BC83DE8DA5B3E0" pageId="0" pageNumber="39">
<materialsCitation id="E09CD4835601F2275E6AB512C8014D40" collectingDate="2016-12-07" collectorName="Q. Fan, M. W. Li" country="China" county="Baoxing County" elevation="2180" latitude="30.716667" location="Zegen Village" longLatPrecision="1220" longitude="102.75" municipality="Qiaoqi Town" specimenCount="1" stateProvince="Sichuan Province" typeStatus="holotype">
<collectingCountry id="60B377DF017E59EE580C62BC0874658A" name="China">China</collectingCountry>
.
<collectingRegion id="C0B2BB1DD9951CF7365E3F0A193F1814" country="China" name="Sichuan">Sichuan Province</collectingRegion>
,
<collectingCounty id="5712569974CFF1CB78FF2AE2501A2C1D">Baoxing County</collectingCounty>
,
<collectingMunicipality id="CBF77C6BB889F5A197698A16073955E7">Qiaoqi Town</collectingMunicipality>
,
<location id="D0B39300836F6D2EB28863E65C024A97" LSID="urn:lsid:plazi:treatment:CB30416CB61152C9A3F4DD53D957CC37:D0B39300836F6D2EB28863E65C024A97" country="China" county="Baoxing County" latitude="30.716667" longLatPrecision="1220" longitude="102.75" municipality="Qiaoqi Town" name="Zegen Village" stateProvince="Sichuan Province">Zegen Village</location>
, on the cliff of steep slopes,
<geoCoordinate id="A8EA8EAAFFC1F932095567A76009221D" degrees="30" direction="north" minutes="43" orientation="latitude" precision="925" value="30.716667">30°43′N</geoCoordinate>
,
<geoCoordinate id="38F2EC24C70AB1C7D0C7CF6DE3D93015" degrees="102" direction="east" minutes="45" orientation="longitude" precision="925" value="102.75">102°45′E</geoCoordinate>
,
<elevation id="5C6EA9A97667BB8F4087F800B91C9675" metricMagnitude="3" metricUnit="m" metricValue="2.18" unit="m" value="2180.0">
<quantity id="E11CDFD0CF6EE841F34A7EF49C5DA5E1" metricMagnitude="3" metricUnit="m" metricValue="2.18" unit="m" value="2180.0">2180 m</quantity>
a.s.l.
</elevation>
,
<collectingDate id="E1EA8CD44BBD5488858505F292EB925F" value="2016-12-07">7 Dec 2016</collectingDate>
,
<emphasis id="A1C80D1DE5389133B5C892C123934341" italics="true" pageId="0" pageNumber="39">
<collectorName id="B685FD5DAFBC1FE842267F2578E7C694">Q. Fan</collectorName>
&amp;
<collectorName id="788D471EA790F02E375D124C16BF7B0B">M.W. Li</collectorName>
14925
</emphasis>
(
<typeStatus id="33C5101ED807F199F299CE606CB85C9F">holotype</typeStatus>
: SYS; isotype: SYS) (Figs
<figureCitation id="BCFA997FF77DF03D6CA9354C2508683C" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Cotoneaster densiflorus A habit B leaf, adaxial surface C leaf, abaxial surface D flowers E vertical section of flower F petals G stamens H styles I fruiting branch J pome K transverse section of pome L pyrenes. Illustration by Zhengmeng Yang based on living field-collected materials (Q. Fan &amp; M. W. Li 14925, M. W. Li 20230617007)." figureDoi="10.3897/phytokeys.236.111819.figure1" httpUri="https://binary.pensoft.net/fig/942349" pageId="0" pageNumber="39">1</figureCitation>
,
<figureCitation id="D1B88D48366DCC2A5663DCB46FDA5360" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Cotoneaster densiflorus sp. nov. A habitat B habit C branchlets D petal, stamen, style, and vertical section of flower E ovate-lanceolate to obovate shape of leaves F leaf, abaxial surface G 2 pyrenes per fruit H inflorescence I fruiting branch." figureDoi="10.3897/phytokeys.236.111819.figure2" httpUri="https://binary.pensoft.net/fig/942350" pageId="0" pageNumber="39">2</figureCitation>
)
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C82A04591010489A6E23ECE2811D7F7F" pageId="0" pageNumber="39" type="diagnosis">
<paragraph id="341FCC348A9214357BEBBBCAFBA9351A" pageId="0" pageNumber="39">Diagnosis.</paragraph>
<paragraph id="851FD4949B367D201A1BD9E6E3CEE23B" pageId="0" pageNumber="39">
Morphologically,
<taxonomicName id="343392F5E8A89A2BC30BAA02D4C723D2" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="7000097A503CF100DBF7D5C1D58862E3" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="A264729BC264E181E3C2D937A50173FA" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="78D10AE22AF0E06894C798D3B67896B8" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
, but differs in its leaf blade of ovate-lanceolate to obovate shape (vs. elliptic-oblong to ovate-lanceolate), smaller length-width ratio of 2.37
<normalizedToken id="6BE01DE3BAB3AFA37C6C4BDDED6F166D" originalValue="±">+/-</normalizedToken>
0.31 (vs. 3.17
<normalizedToken id="68564913857CB46F21A5F06709E66F42" originalValue="±">+/-</normalizedToken>
0.32), slightly conduplicate (vs. not conduplicate), fewer lateral veins of 6-8 pairs (vs. 12-16 pairs), upper surface slightly rugose (vs. rugose), leaf margin plane (vs. revolute), lower surface densely grey tomentose (vs. grey tomentose, with bloom), greater corolla diameter of 7-9 mm (vs. 5-6 mm), styles 2 (vs. 2-3) and pyrenes 2 (rarely 3). Although there is a closer phylogenetic relationship between the new species and
<taxonomicName id="4622BC49B7C308AE0E178418EBE4B3A2" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="87B347A406394099FF715ABCDA0DFC3A" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
, it is easy to distinguish them by the indumentum color of branchlets, leaves and inflorescences, rugose leaf upper surface, fruit shape and pyrenes number. See Table
<tableCitation id="794E9907BD25CB4091DE78CBCCD38192" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Diagnostic macro-morphological characteristic of Cotoneaster densiflorus, C. salicifolius and C. rhytidophyllus." httpUri="http://table.plazi.org/id/3E38F69AA75C94BD0C8E899711664489" pageId="0" pageNumber="39" tableUuid="3E38F69AA75C94BD0C8E899711664489">2</tableCitation>
, Figs
<figureCitation id="355548545F667F0F3FE8B0398317F59A" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Cotoneaster densiflorus A habit B leaf, adaxial surface C leaf, abaxial surface D flowers E vertical section of flower F petals G stamens H styles I fruiting branch J pome K transverse section of pome L pyrenes. Illustration by Zhengmeng Yang based on living field-collected materials (Q. Fan &amp; M. W. Li 14925, M. W. Li 20230617007)." figureDoi="10.3897/phytokeys.236.111819.figure1" httpUri="https://binary.pensoft.net/fig/942349" pageId="0" pageNumber="39">1</figureCitation>
,
<figureCitation id="3839E2E450E5FE8EB34FF8DCDE6974B4" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Cotoneaster densiflorus sp. nov. A habitat B habit C branchlets D petal, stamen, style, and vertical section of flower E ovate-lanceolate to obovate shape of leaves F leaf, abaxial surface G 2 pyrenes per fruit H inflorescence I fruiting branch." figureDoi="10.3897/phytokeys.236.111819.figure2" httpUri="https://binary.pensoft.net/fig/942350" pageId="0" pageNumber="39">2</figureCitation>
for a detailed comparison.
</paragraph>
<caption id="C8CA96BF940C36275237373B63078679" doi="10.3897/phytokeys.236.111819.figure1" httpUri="https://binary.pensoft.net/fig/942349" pageId="0" pageNumber="39" start="Figure 1" startId="F1">
<paragraph id="DB8B17EBB305689C8A3701B4762236EC" pageId="0" pageNumber="39">
<emphasis id="56FEA202AD39D42A355DB9DFADA042DB" bold="true" pageId="0" pageNumber="39">Figure 1.</emphasis>
<taxonomicName id="0D735A9642664FD4C483ADFB218416BD" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="7B4D283679824ECBA6F227CE64153070" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
<emphasis id="BB4CBF973E1635CC60B027C24901AB8B" bold="true" pageId="0" pageNumber="39">A</emphasis>
habit
<emphasis id="7F09AE2AC4B36F31CB27549642F46F93" bold="true" pageId="0" pageNumber="39">B</emphasis>
leaf, adaxial surface
<emphasis id="29934920C016331F7F82066E1B57692E" bold="true" pageId="0" pageNumber="39">C</emphasis>
leaf, abaxial surface
<emphasis id="4DEAF65DAF9EC9C30BA1EF734D46FAF2" bold="true" pageId="0" pageNumber="39">D</emphasis>
flowers
<emphasis id="1AD196EDD660566E8C6E0B047C103907" bold="true" pageId="0" pageNumber="39">E</emphasis>
vertical section of flower
<emphasis id="42CAFB6871805B51580E04DFA5FF4C83" bold="true" pageId="0" pageNumber="39">F</emphasis>
petals
<emphasis id="77CD49443F93E8F470E0A247993CD310" bold="true" pageId="0" pageNumber="39">G</emphasis>
stamens
<emphasis id="1028C4531F00FA12123743A1A54FE395" bold="true" pageId="0" pageNumber="39">H</emphasis>
styles
<emphasis id="FB0FC8099C7E2EBF0D22313C8B16F6FB" bold="true" pageId="0" pageNumber="39">I</emphasis>
fruiting branch
<emphasis id="A4C5DC5D861FD3F0789B4A315C301235" bold="true" pageId="0" pageNumber="39">J</emphasis>
pome
<emphasis id="CB76BA5AFA94E6D16DF7D88C52313529" bold="true" pageId="0" pageNumber="39">K</emphasis>
transverse section of pome
<emphasis id="8F0AC49FF7888D802777C239A5184021" bold="true" pageId="0" pageNumber="39">L</emphasis>
pyrenes. Illustration by Zhengmeng Yang based on living field-collected materials (
<emphasis id="37ACF07F1D52511FDC480A5E0FE937D8" italics="true" pageId="0" pageNumber="39">Q. Fan &amp; M.W. Li 14925</emphasis>
,
<emphasis id="47C05C76394C3F4F225D9B17015B0E5F" italics="true" pageId="0" pageNumber="39">M.W. Li 20230617007</emphasis>
).
</paragraph>
</caption>
<caption id="E12479B2E817B2A3B35E2C63D845CC76" doi="10.3897/phytokeys.236.111819.figure2" httpUri="https://binary.pensoft.net/fig/942350" pageId="0" pageNumber="39" start="Figure 2" startId="F2">
<paragraph id="6F6ED9142B96FB7D73E69BC46DFDDD60" pageId="0" pageNumber="39">
<emphasis id="579CDA77A5F0D6632E5F3A9E6A65B4AA" bold="true" pageId="0" pageNumber="39">Figure 2.</emphasis>
<taxonomicName id="D6312981CADF52A48EEA710CFC55ACB6" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="D747298BCBD57E93ACCB497FECE5F04C" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="CECEB5F936479B28B00173F0D011AA5D" bold="true" pageId="0" pageNumber="39">A</emphasis>
habitat
<emphasis id="6A2D095F8761AC791659958E5262E70C" bold="true" pageId="0" pageNumber="39">B</emphasis>
habit
<emphasis id="838A79399358BE957F84E50C7596DC07" bold="true" pageId="0" pageNumber="39">C</emphasis>
branchlets
<emphasis id="8DDA26507F4D48FF1240B52D752DF3ED" bold="true" pageId="0" pageNumber="39">D</emphasis>
petal, stamen, style, and vertical section of flower
<emphasis id="D5C6CBAFF395CD25C87577B641483C88" bold="true" pageId="0" pageNumber="39">E</emphasis>
ovate-lanceolate to obovate shape of leaves
<emphasis id="931ED36A7CAB0E5B6D9CC4EDF5520BE0" bold="true" pageId="0" pageNumber="39">F</emphasis>
leaf, abaxial surface
<emphasis id="4500469113DC4B6968E078F0E09E4A12" bold="true" pageId="0" pageNumber="39">G</emphasis>
2 pyrenes per fruit
<emphasis id="283758C1F9E0297A4259DEA283B3EBCF" bold="true" pageId="0" pageNumber="39">H</emphasis>
inflorescence
<emphasis id="30BC104268C25AA9BFB46418B462E7DE" bold="true" pageId="0" pageNumber="39">I</emphasis>
fruiting branch.
</paragraph>
</caption>
<caption id="3E38F69AA75C94BD0C8E899711664489" ID-Table-UUID="3E38F69AA75C94BD0C8E899711664489" httpUri="http://table.plazi.org/id/3E38F69AA75C94BD0C8E899711664489" pageId="0" pageNumber="39" start="Table 2" startId="T2">
<paragraph id="706813B225CD6C72CA2820BE91DB3815" pageId="0" pageNumber="39">
<emphasis id="C2B7767455BDC6645DF70C64B36C6E09" bold="true" pageId="0" pageNumber="39">Table 2.</emphasis>
Diagnostic macro-morphological characteristic of
<taxonomicName id="C8714CEA0D47CC547E7AB8F180C990AF" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="C76DF9FE698FD0449A1BEE885FF34B0D" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
,
<taxonomicName id="ACF8CEBAB9EE60A84A0F354E5887369B" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="3FE6B5FA5A201253099267D68F94E7DD" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
and
<taxonomicName id="54741D1558DD1DC62E5F1FDE0BA8436B" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="AE987F276DA9C763C5453262E32B91B8" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="5B77E66482189B96465F394EFB374528" pageId="0" pageNumber="39">
<table id="A86C6885A455475A48D8506014734F1D" pageId="0" pageNumber="39">
<tr id="C7B3D5C4477B0BFD320FB73B3280DAFE" pageId="0" pageNumber="39">
<th id="1C118B8F18BDDD0369C1E8AF121AE85C" colspan="1" isEmpty="true" pageId="0" pageNumber="39" rowspan="1">-</th>
<th id="08CE978187B3770431D4F8BE2D6DFEDA" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="AF1AF5E8DD18D0A34BEF2950E11D48ED" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="A6942E8691072A7F9A9E595372EE242F" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
</th>
<th id="5DEC39DE6B30249C1583678182D6BA8F" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="2259C794A1D622FB0AE0CE163A110900" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="CF1DA0206DD61BC6B2EC65169F4CCC45" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
</th>
<th id="D92C0D0624366802220F6FDFCBD589BD" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="F661C2F6F11DFB8341F99DBF7576D167" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="281498CA1BD54AEE6A8728CB1AF0658F" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="88DDA5CBE374CEB0B6BBECB847CB5023" pageId="0" pageNumber="39">
<td id="D556B571FC3D5B2A07720F552FED08DC" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf shape</td>
<td id="392B485CBB63A6B74A2324A736AD0068" colspan="1" pageId="0" pageNumber="39" rowspan="1">ovate-lanceolate to obovate</td>
<td id="9CA22D38660DFB98FBF8D099D49B2BAD" colspan="1" pageId="0" pageNumber="39" rowspan="1">elliptic-oblong or ovate-lanceolate</td>
<td id="84CE248233E87AE087E138A55EC761B8" colspan="1" pageId="0" pageNumber="39" rowspan="1">elliptic-oblong or ovate-oblong to oblong-lanceolate</td>
</tr>
<tr id="C3E1A0D72F45C8982367F4412B94DE41" pageId="0" pageNumber="39">
<td id="D11AC7FA0EA754B7ABBD3A437EB561C3" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf size (mm)</td>
<td id="3EEC901BB0F803F089560DE70E11BE1B" colspan="1" pageId="0" pageNumber="39" rowspan="1">
25-72
<normalizedToken id="E1DB2B283319B4F311F3A878A8D408DC" originalValue="×">x</normalizedToken>
12-33
</td>
<td id="3F3DF54420C8B55E6D6F1276A0A6BCFB" colspan="1" pageId="0" pageNumber="39" rowspan="1">
40-85
<normalizedToken id="133A9CE51CE877E79B912D18EF412500" originalValue="×">x</normalizedToken>
15-25
</td>
<td id="86CD2AE16644E47AF24ED8B79FB0F3B2" colspan="1" pageId="0" pageNumber="39" rowspan="1">
40-70
<normalizedToken id="A48941B3DC776EDC9E6F045530241A3E" originalValue="×">x</normalizedToken>
18-30
</td>
</tr>
<tr id="2A295DD1FAC87101C429ED9871914603" pageId="0" pageNumber="39">
<td id="3FB81380643E68A5FDF9ADD11D629018" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf apex</td>
<td id="2BCC72E559B388ABD2A9E66505142DC8" colspan="1" pageId="0" pageNumber="39" rowspan="1">acute or obtuse, rarely abruptly mucronate</td>
<td id="7CC5CC72D5C40FE0706296307B86DBC0" colspan="1" pageId="0" pageNumber="39" rowspan="1">acute or acuminate</td>
<td id="26A0864BA6D9637E48E9B9099B0DBD3D" colspan="1" pageId="0" pageNumber="39" rowspan="1">acuminate, rarely acute</td>
</tr>
<tr id="BE922A4C604FFBE48F4DE110083B276D" pageId="0" pageNumber="39">
<td id="108BB3C60AF90850C85D872B3BEC31B2" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf length-width ratio</td>
<td id="09AC62EA96B33AE2C09F67DF86E9F03E" colspan="1" pageId="0" pageNumber="39" rowspan="1">
2.37
<normalizedToken id="A842CDC54A21AA4B488D40462963411D" originalValue="±">+/-</normalizedToken>
0.31
</td>
<td id="7C1C4C48D9D638AC17C6F5F840AAACDE" colspan="1" pageId="0" pageNumber="39" rowspan="1">
3.17
<normalizedToken id="6AEE0F1F035F4818EF77397F8B00DFC3" originalValue="±">+/-</normalizedToken>
0.32
</td>
<td id="B1CE92ECDED43B95D6DBE8AD79F967E3" colspan="1" pageId="0" pageNumber="39" rowspan="1">
3.19
<normalizedToken id="ADD173BE7998FC338ADE127AAE04CBE7" originalValue="±">+/-</normalizedToken>
0.48
</td>
</tr>
<tr id="1D0FBBEC5B4B8E3A339A2F3B1B88697E" pageId="0" pageNumber="39">
<td id="B6FAD2746F50AC3CB8B720218FC4B1F9" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf conduplicate state</td>
<td id="C52F23B436CCFB8488048E73F66DA5A7" colspan="1" pageId="0" pageNumber="39" rowspan="1">slightly conduplicate</td>
<td id="D15F32244A1D457550BF8BF467B6677F" colspan="1" pageId="0" pageNumber="39" rowspan="1">not conduplicate</td>
<td id="968B200E065F5124E16D02EEFC09F3AB" colspan="1" pageId="0" pageNumber="39" rowspan="1">not conduplicate</td>
</tr>
<tr id="89153960591641F7F210FEEE24A3317E" pageId="0" pageNumber="39">
<td id="67F67518D606A856E0A56FEA60A3E2B2" colspan="1" pageId="0" pageNumber="39" rowspan="1">Lateral veins number (pairs)</td>
<td id="F6B2BEDE1186843D9F276F6881518BC8" colspan="1" pageId="0" pageNumber="39" rowspan="1">6-8</td>
<td id="98EB99AA949DD3EEFF9893B67F9F2FEE" colspan="1" pageId="0" pageNumber="39" rowspan="1">12-16</td>
<td id="09A9346C439FAB06DFBEA94E5C3A00DF" colspan="1" pageId="0" pageNumber="39" rowspan="1">5-8</td>
</tr>
<tr id="D1B35A29BB3238B0739B3EDFA2B2F175" pageId="0" pageNumber="39">
<td id="7189BF04FAE695C412C9CCB0EF7A7006" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf upper surface indumentum</td>
<td id="6CEF0C15AFC7AE0A7A4CE45347D56BBC" colspan="1" pageId="0" pageNumber="39" rowspan="1">initially sparsely pilose</td>
<td id="8705B41C949619EA697AC1C829F62E6E" colspan="1" pageId="0" pageNumber="39" rowspan="1">initially sparsely pilose</td>
<td id="87690B60A891483DDE07CB99FADE82BF" colspan="1" pageId="0" pageNumber="39" rowspan="1">initially sparsely villous</td>
</tr>
<tr id="D1D7554770F6EA1EF8620B90DEBA1489" pageId="0" pageNumber="39">
<td id="F3447A8C14A62CD8BEE86E0017DAF7C3" colspan="1" pageId="0" pageNumber="39" rowspan="1">Upper surface rugose state</td>
<td id="0873E309E49EF0538B9FA1D5BF81C884" colspan="1" pageId="0" pageNumber="39" rowspan="1">slightly rugose</td>
<td id="8B757E85CF1ED2A9ED70C7D70B13E4C1" colspan="1" pageId="0" pageNumber="39" rowspan="1">rugose</td>
<td id="A6945FFC4EBA9BC02B28BBD5577DD6E5" colspan="1" pageId="0" pageNumber="39" rowspan="1">extremely rugose</td>
</tr>
<tr id="A49D6F49A1B04E0763ACA6AAE3CC2674" pageId="0" pageNumber="39">
<td id="77939D357939E3C37C22B4547B4C6A45" colspan="1" pageId="0" pageNumber="39" rowspan="1">Margin revolute state</td>
<td id="9829B648DBB88A82AA003D804EB3A60B" colspan="1" pageId="0" pageNumber="39" rowspan="1">plane</td>
<td id="B19D68E7A7F000A16C4D7049E320B339" colspan="1" pageId="0" pageNumber="39" rowspan="1">revolute</td>
<td id="A6D0539402B792FB3478881F4D02B37F" colspan="1" pageId="0" pageNumber="39" rowspan="1">revolute</td>
</tr>
<tr id="7EB3F85AFBB71B30D48CF0F9E41F515A" pageId="0" pageNumber="39">
<td id="AF6242CCE14A491A05BB46543D5CE18D" colspan="1" pageId="0" pageNumber="39" rowspan="1">Leaf lower surface indumentum</td>
<td id="1089E60F0E74745EFF74FAA77DF64E6E" colspan="1" pageId="0" pageNumber="39" rowspan="1">densely gray tomentose</td>
<td id="76EC38D2798D2D2D248498400B541457" colspan="1" pageId="0" pageNumber="39" rowspan="1">gray tomentose, with bloom</td>
<td id="9C2D5D40ED1EC5A540F8F8BF319D7CBC" colspan="1" pageId="0" pageNumber="39" rowspan="1">yellow tomentose-floccose</td>
</tr>
<tr id="7F2A733F9FFA1769B0BB84A39AB3B3A0" pageId="0" pageNumber="39">
<td id="DA8A4B91D4AEDB5A0C2A888A5653497A" colspan="1" pageId="0" pageNumber="39" rowspan="1">Inflorescence number of flowers</td>
<td id="A856929E43B4038EA51AF234C36731B7" colspan="1" pageId="0" pageNumber="39" rowspan="1">(5-)10- to 50-(61) flowers</td>
<td id="EABCB20D5710A9E73408535FE1CE546E" colspan="1" pageId="0" pageNumber="39" rowspan="1">10- to 50- flowers</td>
<td id="1B48B869A94F4FF09269DCF973305800" colspan="1" pageId="0" pageNumber="39" rowspan="1">10- to 40(-50) flowers</td>
</tr>
<tr id="B33D6E6ECCFA5EE144642161D89A5DA2" pageId="0" pageNumber="39">
<td id="38E361D11D0410E6E151D09CC9F80A20" colspan="1" pageId="0" pageNumber="39" rowspan="1">Corolla diameter (mm)</td>
<td id="1EDC159739BF2F101FDF4DBADBAF5A48" colspan="1" pageId="0" pageNumber="39" rowspan="1">7-9</td>
<td id="8BE2B83FE15D599967B8F0D445E570D2" colspan="1" pageId="0" pageNumber="39" rowspan="1">5-6</td>
<td id="D28FB8640613E2494FF4055F8840C1BC" colspan="1" pageId="0" pageNumber="39" rowspan="1">7-8</td>
</tr>
<tr id="F9F0509E5F559B395EC418C05421BD5B" pageId="0" pageNumber="39">
<td id="391CABB436CA5E3AB41FF9529EB463AE" colspan="1" pageId="0" pageNumber="39" rowspan="1">Patal indumentum</td>
<td id="B1149271DCEC7B9A065EDA55DB4BF6A6" colspan="1" pageId="0" pageNumber="39" rowspan="1">glabrous</td>
<td id="018DACBA047DB1157D0A6D7025DD586F" colspan="1" pageId="0" pageNumber="39" rowspan="1">glabrous</td>
<td id="8E7C3F9E3F2DC429835366C594AA80FF" colspan="1" pageId="0" pageNumber="39" rowspan="1">adaxially slightly pilose near base</td>
</tr>
<tr id="6D81FA90F9325D1BA0E1CCB9FF59DC5D" pageId="0" pageNumber="39">
<td id="FB8AD6059CA84A58C50DA8F149095178" colspan="1" pageId="0" pageNumber="39" rowspan="1">Styles number</td>
<td id="0C463E13F8EEE61635A72C28A232277A" colspan="1" pageId="0" pageNumber="39" rowspan="1">2</td>
<td id="7E45C3E2A565F2577FD41ADD464EFDEE" colspan="1" pageId="0" pageNumber="39" rowspan="1">2-3</td>
<td id="BFD858FDDA3FE1A85EAE6502F0A79225" colspan="1" pageId="0" pageNumber="39" rowspan="1">2-3</td>
</tr>
<tr id="7A18A7E025442D4888AF1F24A2C01AB3" pageId="0" pageNumber="39">
<td id="28A0754473B90B8EBA19AFB65E3397F2" colspan="1" pageId="0" pageNumber="39" rowspan="1">Fruits shape</td>
<td id="DDE0160825D693C41FD3E77A230696DB" colspan="1" pageId="0" pageNumber="39" rowspan="1">obovoid or subglobose</td>
<td id="D517EDC443691EB97B79E836DAC189AE" colspan="1" pageId="0" pageNumber="39" rowspan="1">subglobose</td>
<td id="BC589A5D74A87DD1F6A23124D7D50831" colspan="1" pageId="0" pageNumber="39" rowspan="1">pyriform</td>
</tr>
<tr id="D233E92115397453A079E4D83815FF83" pageId="0" pageNumber="39">
<td id="0BD2F24C9302B934FE4A6081C85417CA" colspan="1" pageId="0" pageNumber="39" rowspan="1">Fruits size</td>
<td id="79B0BFF94D47A9A8EC9D88C2FE6C5C3C" colspan="1" pageId="0" pageNumber="39" rowspan="1">5-7 mm in diam</td>
<td id="0A43B5DB541ABF2E4BEBC4903E388040" colspan="1" pageId="0" pageNumber="39" rowspan="1">5-7 mm in diam</td>
<td id="9B258751BB37CDEE991E7ACAE550F2B5" colspan="1" pageId="0" pageNumber="39" rowspan="1">4 mm in diam, 5-6 mm long</td>
</tr>
<tr id="02ABE999AEBE0A939F5B0B7A888D4E92" pageId="0" pageNumber="39">
<td id="5CF3584B1B71D8F7E5D0A9ED659B9E6B" colspan="1" pageId="0" pageNumber="39" rowspan="1">Pyrenes number</td>
<td id="70C83255876A6F51597831244A3556A2" colspan="1" pageId="0" pageNumber="39" rowspan="1">2</td>
<td id="72022E1FAB596BBFF81E083919B3E02E" colspan="1" pageId="0" pageNumber="39" rowspan="1">2-3</td>
<td id="C022A39B77DC9451EF0D70C1A9200C5F" colspan="1" pageId="0" pageNumber="39" rowspan="1">2-3, rarely 4</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection id="815E735775741BECB5222548E0F8CFFA" pageId="0" pageNumber="39" type="description">
<paragraph id="236961EED917F0C22553026BF334328E" pageId="0" pageNumber="39">Description.</paragraph>
<paragraph id="DC9697503A89CB1F83C49136FB6674F2" pageId="0" pageNumber="39">
Evergreen shrubs, rarely semi-evergreen, up to 5 m tall, with spreading to erect branches; stems 5 cm in diameter; branchlets terete, stout, reddish-brown, initially sparsely tomentose, glabrous when old. Petiole red, robust, 4-7 mm long, tomentose; stipules linear, 4-7 mm, tomentulose, caducous; leaf blades ovate-lanceolate to obovate, 25-72
<normalizedToken id="D621FF8AFDB8E53A19894DA4C7F4F105" originalValue="×">x</normalizedToken>
12-33 mm, leathery, lightly conduplicate along the mid-vein, mid-vein conspicuously raised abaxially and deeply impressed adaxially, lateral veins 6-8 pairs, rarely 5 or 9, impressed, lower surface densely grey tomentose, apex acute or obtuse, rarely abruptly mucronate, base cuneate, margin entire, plane, upper surface initially sparsely pilose, subglabrous when old, slightly rugose. Compound corymbs 25-40 mm long, 17-43 mm diam., with (5-)10- to 50-(61)-flowered per inflorescence; rachis and pedicels densely white pilose; peduncles 2-3 cm; bracts linear, tomentulose, caducous, 2-4 mm long; pedicel 2-4 mm. Flowers 7-9 mm diam.; hypanthium campanulate, abaxially densely white tomentose; sepals triangular, apex acute, pilose; petals spreading, white, glabrous, suborbicular, ca. 3-4 mm and nearly as broad, apex obtuse, base shortly clawed; stamens 20, slightly longer than or subequal to petals, anthers purple, filaments white; styles 2, free, slightly shorter than stamens; carpels 2, ovary apically pilose. The ripe pome obovoid or subglobose, 5-7 mm diam., red, sparsely pilose; 2 pyrenes per fruit.
</paragraph>
</subSubSection>
<subSubSection id="412B91D194D7EDC7A4FFADBD8DE71036" pageId="0" pageNumber="39" type="pollen morphology">
<paragraph id="E20144FD1CB2CB3B23F83121926D5484" pageId="0" pageNumber="39">Pollen morphology.</paragraph>
<paragraph id="B2D44C8783800D86B0E37A72458E1DB5" pageId="0" pageNumber="39">
The pollen grains of
<taxonomicName id="931393A25B7A389D0D29080C51675A75" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="A7C913F0715FD081080AEE2763F849A6" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
are tricolpate. Polar axis (P) = 46.15
<normalizedToken id="73A9A4D2D7E67932671383EEF6D4E71E" originalValue="±">+/-</normalizedToken>
3.09
<normalizedToken id="42F8BA6E3E04F8CB3E39563239064C81" originalValue="µm">µm</normalizedToken>
, equatorial axis (E) = 22.64
<normalizedToken id="7867DAD7E6F181BF10A507C3C38DA35F" originalValue="±">+/-</normalizedToken>
1.28
<normalizedToken id="B29ACFC10B9E8B40827BCCEB307C0A33" originalValue="µm">µm</normalizedToken>
, the P/E value (proportion of polar axis to equatorial axis length) = 2.05
<normalizedToken id="6C594E18E28251821522BC3FAEA74432" originalValue="±">+/-</normalizedToken>
0.12. The P/E values of the new species is obviously larger than
<taxonomicName id="799C0B6AF5897923B59401BA4A246953" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="8C7599262D8E3D962F1493B96E6658D1" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
(1.19
<normalizedToken id="26D22E5C04ED77DB61F87E05B2CB2D55" originalValue="±">+/-</normalizedToken>
0.05). The surface is mainly striate-foveolate ornamentation (Fig.
<figureCitation id="49469E074048E06B1EAB3BD3D22BBE20" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. SEM micrographs of pollen grains of Cotoneaster densiflorus (A-C), light microscope and SEM micrographs of leaf epidermis of C. densiflorus (D-F) A equatorial view B polar view C striate-foveolate ornamentation D upper epidermis E under epidermis F stomata and corneous papillae of under epidermis." figureDoi="10.3897/phytokeys.236.111819.figure3" httpUri="https://binary.pensoft.net/fig/942351" pageId="0" pageNumber="39">3</figureCitation>
, Table
<tableCitation id="2A13E4902272C7BC81116E6FFCE4DE67" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Diagnostic micro-morphological characteristic and 2 C DNA of Cotoneaster densiflorus, C. salicifolius and C. rhytidophyllus (values M + / - SD μm)." httpUri="http://table.plazi.org/id/46B7C1A79C7E80EFF1DC05001BFF801B" pageId="0" pageNumber="39" tableUuid="46B7C1A79C7E80EFF1DC05001BFF801B">3</tableCitation>
).
</paragraph>
<caption id="70D5821B39177495E8BCE5A2CB7197AB" doi="10.3897/phytokeys.236.111819.figure3" httpUri="https://binary.pensoft.net/fig/942351" pageId="0" pageNumber="39" start="Figure 3" startId="F3">
<paragraph id="287966A1CBAEE0A9C5CAC8FECAA37624" pageId="0" pageNumber="39">
<emphasis id="B18E4A6509AFFB905AB4EF868B423EA7" bold="true" pageId="0" pageNumber="39">Figure 3.</emphasis>
SEM micrographs of pollen grains of
<taxonomicName id="E6EB5685D1C4F2B58D342E19C991F2B7" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="9B6E0A9515EDDB3B9EF609A3FBFD0D27" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
(
<emphasis id="EB62D12AF3AF6C45E7DA0DD0339BF269" bold="true" pageId="0" pageNumber="39">A-C</emphasis>
), light microscope and SEM micrographs of leaf epidermis of
<taxonomicName id="4B665F97A81A8E4B7C0A2C44E128DEF8" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="7276D74DFCC875EABD1B29D1E9D786F6" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
(
<emphasis id="C1DF260E4D6DD0BD0F543E366A384DA7" bold="true" pageId="0" pageNumber="39">D-F</emphasis>
)
<emphasis id="D343E0B0F75E8B3C9B34338BCF9D3A4E" bold="true" pageId="0" pageNumber="39">A</emphasis>
equatorial view
<emphasis id="6A2ED9213AC752D0A43BBB4DC6E02CBD" bold="true" pageId="0" pageNumber="39">B</emphasis>
polar view
<emphasis id="51529F0DDDB036009A7F48368314CEC5" bold="true" pageId="0" pageNumber="39">C</emphasis>
striate-foveolate ornamentation
<emphasis id="15E8AA60C3A1437DEBDE3333107D0EBD" bold="true" pageId="0" pageNumber="39">D</emphasis>
upper epidermis
<emphasis id="020772723FC66F1C66A2DA63C7D03C84" bold="true" pageId="0" pageNumber="39">E</emphasis>
under epidermis
<emphasis id="FE889F5C6223B782A20CBB8FD8CBA1F5" bold="true" pageId="0" pageNumber="39">F</emphasis>
stomata and corneous papillae of under epidermis.
</paragraph>
</caption>
<caption id="46B7C1A79C7E80EFF1DC05001BFF801B" ID-Table-UUID="46B7C1A79C7E80EFF1DC05001BFF801B" httpUri="http://table.plazi.org/id/46B7C1A79C7E80EFF1DC05001BFF801B" pageId="0" pageNumber="39" start="Table 3" startId="T3">
<paragraph id="18682D41D02F458ECC2DCD2DD91F8005" pageId="0" pageNumber="39">
<emphasis id="D768A3299C785F88F2AEEFE615DA5758" bold="true" pageId="0" pageNumber="39">Table 3.</emphasis>
Diagnostic micro-morphological characteristic and 2C DNA of
<taxonomicName id="7D84D0F1BBC7362735248E0077A32A1A" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="9AA5BC1CEE2D8782D83B7A6337108FD4" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
,
<taxonomicName id="2BA6F2BE2A01474E3A143F1F6B5CF45F" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="5DAF0AEAB043C32BAB62E4B71996D940" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
and
<taxonomicName id="0C2C98E25B58DBA65E4CB42BD59E199D" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="AF6C3BCBF496F4499B911844010DC056" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
(values M
<normalizedToken id="CEA47DC2B951F305F2F6490DA9CEE3B8" originalValue="±">+/-</normalizedToken>
SD
<normalizedToken id="0F493CA1D0861F71CC7E78CAD2C9A645" originalValue="μm">μm</normalizedToken>
).
</paragraph>
</caption>
<paragraph id="F71B8A1005955E3A4EC3757FC6F9B6A8" pageId="0" pageNumber="39">
<table id="3EEE66450DEACB53636D7E21339ABE8E" pageId="0" pageNumber="39">
<tr id="1077C1FF4B6A7D40C92943E3CFCDC485" pageId="0" pageNumber="39">
<th id="C74E4430AC55E70B605F92887ABB7682" colspan="1" isEmpty="true" pageId="0" pageNumber="39" rowspan="1">-</th>
<th id="27508A88E11C8F5CCE258A9112A7315C" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="A82E6860A95B0144EBE9623B80F1A998" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="A6FFD29437D2B4D5D7CD44AD350B3A5B" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
</th>
<th id="1A1398D14A0EA3224AF33CAA96068107" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="5E437B61462AA0D717434998BFE13E22" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="EA279DB81A5058469469D02A6299894E" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
</th>
<th id="3CD62464BA3B1E60B1786CB999972356" colspan="1" pageId="0" pageNumber="39" rowspan="1">
<taxonomicName id="58E42994E49F4840FBD11E08E42B89E3" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="136F29639E641B9FCFA6F4C678B7076F" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="B8AA6BC2427F2A270E998EF4C3614ED2" pageId="0" pageNumber="39">
<td id="A3B30F06063A1025A650B33E0E45256A" colspan="1" pageId="0" pageNumber="39" rowspan="1">Polar axis length (µm)</td>
<td id="DFB27C570B9D183EE627BEDC069269D3" colspan="1" pageId="0" pageNumber="39" rowspan="1">
46.15
<normalizedToken id="61BEDF049F86C1CB28C10C7DB703A706" originalValue="±">+/-</normalizedToken>
3.09
</td>
<td id="33B65E08215DE832E2A291A72960D20C" colspan="1" pageId="0" pageNumber="39" rowspan="1">
24.31
<normalizedToken id="A483AC6AA24A920CBA85ABC0AD06D588" originalValue="±">+/-</normalizedToken>
1.07
</td>
<td id="49E878E89206D3F851AEB9D3B72BB013" colspan="1" pageId="0" pageNumber="39" rowspan="1">
37.39
<normalizedToken id="F440EC097FA8DBC50A4160D07376F41E" originalValue="±">+/-</normalizedToken>
7.35
</td>
</tr>
<tr id="1332311C26F7BB3F7F18A521E2ACE80A" pageId="0" pageNumber="39">
<td id="388AF0D9E5FF186A491FDC91ACD90BDA" colspan="1" pageId="0" pageNumber="39" rowspan="1">Equatorial axis length (µm)</td>
<td id="92330B4FEA91C0AC0926F801B3B0341A" colspan="1" pageId="0" pageNumber="39" rowspan="1">
22.64
<normalizedToken id="4DBF6336796EB07925BF1551376020FF" originalValue="±">+/-</normalizedToken>
1.28
</td>
<td id="8E8DEE482EAA671D11BB736EA07FA43B" colspan="1" pageId="0" pageNumber="39" rowspan="1">
20.51
<normalizedToken id="3B040BA2CF092333E7D2027F49125A8B" originalValue="±">+/-</normalizedToken>
0.16
</td>
<td id="4B527564B2E58EF1987353C6F1BD4640" colspan="1" pageId="0" pageNumber="39" rowspan="1">
18.47
<normalizedToken id="6E9E0FA33C8006B592C5B1F659CA6C2E" originalValue="±">+/-</normalizedToken>
3.03
</td>
</tr>
<tr id="E557F9ED38523B2D7747957B93C79083" pageId="0" pageNumber="39">
<td id="2C2F4AABAA0A54862E7EB3541AF5763A" colspan="1" pageId="0" pageNumber="39" rowspan="1">P/E values</td>
<td id="78440F3767A6703FF552301B78E799DC" colspan="1" pageId="0" pageNumber="39" rowspan="1">
2.05
<normalizedToken id="B99D0AC08A9CB1E35587E08E5BBC1FA6" originalValue="±">+/-</normalizedToken>
0.12
</td>
<td id="DB483AA9DD025D3174CAF230B6061689" colspan="1" pageId="0" pageNumber="39" rowspan="1">
1.19
<normalizedToken id="39A64521185D604598D490EF054584B6" originalValue="±">+/-</normalizedToken>
0.05
</td>
<td id="440919B436EE9E5FFD8E6C208F8FDC0B" colspan="1" pageId="0" pageNumber="39" rowspan="1">
2.02
<normalizedToken id="F62620AE614ADED69EC9DFDF874A9F79" originalValue="±">+/-</normalizedToken>
0.23
</td>
</tr>
<tr id="781D387B8FCDC4B4A6A001BFD99EC728" pageId="0" pageNumber="39">
<td id="F6DDD4B8A22D6BC9C83FD56E2C1D5651" colspan="1" pageId="0" pageNumber="39" rowspan="1">Type of leaf epidermis</td>
<td id="F2ACD103EAE477E6B3692D87B08B18E1" colspan="1" pageId="0" pageNumber="39" rowspan="1">type W</td>
<td id="8E84264B273B158A5BBAEE1DDDF4BD7A" colspan="1" pageId="0" pageNumber="39" rowspan="1">type I</td>
<td id="773FA0D5472DE52BE699377C8F98F244" colspan="1" pageId="0" pageNumber="39" rowspan="1">type I</td>
</tr>
<tr id="C1234E543ED2B00DB7FE16282A132001" pageId="0" pageNumber="39">
<td id="AB9062E99D65FD4EA231554572136749" colspan="1" pageId="0" pageNumber="39" rowspan="1">2C DNA (pg)</td>
<td id="8DF183187393E08D535DF0964ED82D65" colspan="1" pageId="0" pageNumber="39" rowspan="1">
2.33
<normalizedToken id="649836F2C717576714A0B8723E12D3E9" originalValue="±">+/-</normalizedToken>
0.19
</td>
<td id="BA3F5115DDF765C8F8CF5791F216F490" colspan="1" pageId="0" pageNumber="39" rowspan="1">
1.57
<normalizedToken id="755CB71250B3374CB39A5A8A0328F34B" originalValue="±">+/-</normalizedToken>
0.15
</td>
<td id="92B7D3E87BF410625538AF2EC5FD319C" colspan="1" pageId="0" pageNumber="39" rowspan="1">
1.55
<normalizedToken id="DB976B6AA3D36030F33AC2684E0DE68A" originalValue="±">+/-</normalizedToken>
0.10
</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection id="699CCF44364DFD5E3458846911734F47" pageId="0" pageNumber="39" type="leaf epidermis morphology">
<paragraph id="03216B23FC315B403BD4EDAB79C415AD" pageId="0" pageNumber="39">Leaf epidermis morphology.</paragraph>
<paragraph id="BAC89A75889714319634ED85685F3AB5" pageId="0" pageNumber="39">
According to previous studies on leaf epidermis type of
<taxonomicName id="CE27F47F9AFBF823DE1E4BAB8ED31468" authority="Cotoneaster" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Cotoneaster">
<emphasis id="5EEB8876D525B949DA3C0576E25AF666" italics="true" pageId="0" pageNumber="39">Cotoneaster Cotoneaster</emphasis>
</taxonomicName>
species (
<bibRefCitation id="F89EADFC5F96C58C3678A4FE6A018F6F" author="Ding, SS" journalOrPublisher="Bulletin of Botanical Research" pageId="0" pageNumber="39" pagination="187 - 194" refId="B5" refString="Ding, SS, Sun, K, Su, X, Dong, LN, Zhang, AM, 2008. Characters of leaf epidermis and their taxonomic significance in Cotoneaster Medikus. Bulletin of Botanical Research 28 (2): 187 - 194" title="Characters of leaf epidermis and their taxonomic significance in Cotoneaster Medikus." volume="28" year="2008">Ding et al. 2008</bibRefCitation>
), the leaf epidermis of this species could be classified as type W, with irregular stomata surrounded by 4-5 corneous papillae, while
<taxonomicName id="8D4E3409210947B7447810B4DE511AEB" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="C14FEC9D140E3526D58A5CADA3FF1BC3" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
and
<taxonomicName id="8B464BE8F951C7B23A137ACBC52145FC" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="1019BA482A1173CD3826B62D81AC007B" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
are presented as type I, with irregular stomata surrounded by various ridges protruding from the stratum corneum (Fig.
<figureCitation id="1F82E6E11F2574BD95B1D134F9C3113F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. SEM micrographs of pollen grains of Cotoneaster densiflorus (A-C), light microscope and SEM micrographs of leaf epidermis of C. densiflorus (D-F) A equatorial view B polar view C striate-foveolate ornamentation D upper epidermis E under epidermis F stomata and corneous papillae of under epidermis." figureDoi="10.3897/phytokeys.236.111819.figure3" httpUri="https://binary.pensoft.net/fig/942351" pageId="0" pageNumber="39">3</figureCitation>
, Table
<tableCitation id="94A768B1D2D24210965509AB86675424" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Diagnostic micro-morphological characteristic and 2 C DNA of Cotoneaster densiflorus, C. salicifolius and C. rhytidophyllus (values M + / - SD μm)." httpUri="http://table.plazi.org/id/46B7C1A79C7E80EFF1DC05001BFF801B" pageId="0" pageNumber="39" tableUuid="46B7C1A79C7E80EFF1DC05001BFF801B">3</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="FEB3BE60C769586D74F662B98172BF37" pageId="0" pageNumber="39" type="phenology">
<paragraph id="7D49E50B3B5DB893CAAB021687DB3067" pageId="0" pageNumber="39">Phenology.</paragraph>
<paragraph id="34A4919785A8DC3B5FE44F4E96ACB6CD" pageId="0" pageNumber="39">Flowering from June to July, fruiting from November to December.</paragraph>
</subSubSection>
<subSubSection id="1CB8A94DEFDCF3FD382B6D018A045528" pageId="0" pageNumber="39" type="etymology">
<paragraph id="0562A07499515C9E9A05A0D9C5641CD6" pageId="0" pageNumber="39">Etymology.</paragraph>
<paragraph id="8B36FB7959A4D7ADAE41DDF5F411C97D" pageId="0" pageNumber="39">The specific epithet refers to the compact compound corymbs with (5-)10- to 50-(61)-flowered per inflorescence.</paragraph>
</subSubSection>
<subSubSection id="D1C56F7673E3ED92BF22A9B81F984377" pageId="0" pageNumber="39" type="distribution">
<paragraph id="D97F272FEF18C168F528DF2751BD35A6" pageId="0" pageNumber="39">Distribution and habitat.</paragraph>
<paragraph id="307D81D594208951AC6B694F9662315E" pageId="0" pageNumber="39">
<taxonomicName id="A8783C79D4B39F6F4C39619109C9ABA0" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="8EDE391BE3EFD01F22C2E9667923B173" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
is currently known only from the type locality, Zegen Village, Baoxing County, Sichuan Province, China. This population includes nearly 60 individuals, with about 40 densely distributed individuals and 20 scattered shrubs on a steep slope of sunny sparse forest along the National Highway at altitudes of about 2180 m a.s.l. The associated tree species include
<taxonomicName id="A0B71D9E552F89492F17311056E0A741" lsidName="C. dielsianus" pageId="0" pageNumber="39" rank="species" species="dielsianus">
<emphasis id="F53F31FF75D8063D5F5E3C5FF9BC32A8" italics="true" pageId="0" pageNumber="39">C. dielsianus</emphasis>
</taxonomicName>
,
<taxonomicName id="74F773F46F5829BE2289BDB36020BC6A" class="Dicotyledoneae" family="Coriariaceae" genus="Coriaria" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Coriaria nepalensis" order="Sapindales" pageId="0" pageNumber="39" phylum="Angiospermae" rank="species" species="nepalensis">
<emphasis id="6DD9BFE777801C952CBA2A7A1C24EE1E" italics="true" pageId="0" pageNumber="39">Coriaria nepalensis</emphasis>
</taxonomicName>
,
<taxonomicName id="6349A0B211C005F8DCF14B710EC2B2C6" authorityName="Craib" authorityYear="1913" class="Dicotyledoneae" family="Fabaceae" genus="Indigofera" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Indigofera szechuensis" order="Rosales" pageId="0" pageNumber="39" phylum="Angiospermae" rank="species" species="szechuensis">
<emphasis id="3A85DE2261F6510E186AC9E42B47A8B5" italics="true" pageId="0" pageNumber="39">Indigofera szechuensis</emphasis>
</taxonomicName>
,
<taxonomicName id="73713A456433220E5E00F0EE0136F01A" class="Dicotyledoneae" family="Fabaceae" genus="Desmodium" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Desmodium elegans" order="Rosales" pageId="0" pageNumber="39" phylum="Angiospermae" rank="species" species="elegans">
<emphasis id="7451D65680A2130DED6EDB5344C3E173" italics="true" pageId="0" pageNumber="39">Desmodium elegans</emphasis>
</taxonomicName>
, and
<taxonomicName id="D1FF326429635266A175CCAA1D703DC8" authorityName="Diels" authorityYear="1900" class="Dicotyledones" family="Elaeagnaceae" genus="Elaeagnus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Elaeagnus bockii" order="Rosales" pageId="0" pageNumber="39" phylum="Angiospermae" rank="species" species="bockii">
<emphasis id="C55B3E59AFAF5296F1A892F653EFB0C1" italics="true" pageId="0" pageNumber="39">Elaeagnus bockii</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="17A746FE9773086B6858C26859E570AD" pageId="0" pageNumber="39" type="phylogenetic analysis">
<paragraph id="C06A6D213D91E61836CEBB3710347753" pageId="0" pageNumber="39">Phylogenetic analysis.</paragraph>
<paragraph id="C47EBB6D312CDE813D25915F5A620988" pageId="0" pageNumber="39">
The complete chloroplast genome of
<taxonomicName id="B8FDDBEBE4DE7734D998E3A18290AE32" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="9742E801B35FD848A4416F320ABDC96A" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
exhibited characteristic quadripartite structure with 159,759 bp in total length, including a pair of inverted repeat (IRA and IRB) region of 26,371 bp, separated by a larger single-copy (LSC) region of 87,807 bp and a small single-copy (SSC) region of 19,210 bp with an overall GC content of 36.60%. A total of 111 unique genes were encoded, including 78 protein-coding genes (PCGs), 29 transfer RNA (tRNA) genes and four ribosomal RNA (rRNA) genes, while 17 genes duplicated in the IR regions.
</paragraph>
<paragraph id="6D0D2C81C604BF4972EFA13E35D44589" pageId="0" pageNumber="39">
Phylogenetic analyses constructed from 72
<taxonomicName id="6ED797F506B246A64968C582852EECB0" authority="Cotoneaster" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Cotoneaster">
<emphasis id="73C31467FEDCA59C9ED084E686AFE374" italics="true" pageId="0" pageNumber="39">Cotoneaster Cotoneaster</emphasis>
</taxonomicName>
chloroplast genomes resulted in the ML tree topology as shown in Table
<tableCitation id="1CD27530B8C89174343795C0DAE67B02" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Taxa, voucher information, and GenBank accession numbers of the chloroplast genome sequences used in this study (a. This study, b. Meng et al. 2021, c. Liu et al. 2020, d. Chen et al. 2022, e. unpublished study)." httpUri="http://table.plazi.org/id/0C104CD627A32E54FDE3C846F3ABCAFA" pageId="0" pageNumber="39" tableUuid="0C104CD627A32E54FDE3C846F3ABCAFA">1</tableCitation>
. Two main clades (
<taxonomicName id="03B319C26AF387B1AB9F4279E87F1746" authority="Cotoneaster" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Cotoneaster">
<emphasis id="B134899DFDEEF29AA40AC672B28D1AB5" italics="true" pageId="0" pageNumber="39">Cotoneaster Cotoneaster</emphasis>
</taxonomicName>
and
<taxonomicName id="B0DE0B6FC9077F4200FB7B61D31D1D06" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Chaenopetalum">
<emphasis id="7B5D0628910B83D77DC897FC865DD501" italics="true" pageId="0" pageNumber="39">Cotoneaster Chaenopetalum</emphasis>
</taxonomicName>
) with well-supported values are presented in Fig.
<figureCitation id="E7D0FA817F0DD5A97BE01CEE6BC06651" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. The phylogenetic tree of 65 Cotoneaster Cotoneaster taxa based on 72 whole chloroplast genomes showing the position of Cotoneaster densiflorus (bold and highlighted with green) in the genus. Numbers near the branches are ML and BI bootstrap values. GenBank accessions were provided after underlines." figureDoi="10.3897/phytokeys.236.111819.figure4" httpUri="https://binary.pensoft.net/fig/942352" pageId="0" pageNumber="39">4</figureCitation>
, which was consistent with the previous phylogenetic studies. The new species was placed in Clade
<taxonomicName id="48859AD3F6463D0FBD4066146852FC0E" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Chaenopetalum">
<emphasis id="12631B795300C07E531818EAD365B0F1" italics="true" pageId="0" pageNumber="39">Cotoneaster Chaenopetalum</emphasis>
</taxonomicName>
and clustered with
<taxonomicName id="0500215C830E416981F3957B98056BB8" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="96FE807B206136D9E4C4206318B229AB" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
of Ser.
<taxonomicName id="461C09191AD1E46938229AFB72C9CC51" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="series" series="Salicifolii">Cotoneaster Salicifolii</taxonomicName>
, but with weak support values (BS = 44, BI = --).
</paragraph>
<caption id="812D4B4CD00D7E824B9D2837186B5135" doi="10.3897/phytokeys.236.111819.figure4" httpUri="https://binary.pensoft.net/fig/942352" pageId="0" pageNumber="39" start="Figure 4" startId="F4">
<paragraph id="A542C79B6DB26AAD90DE97E884876651" pageId="0" pageNumber="39">
<emphasis id="8DF98579ACA02D3C1B7C870A988616FE" bold="true" pageId="0" pageNumber="39">Figure 4.</emphasis>
The phylogenetic tree of 65
<taxonomicName id="72AF58F1AF3BDA47A227C71B9EB07B14" authority="Cotoneaster" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Cotoneaster">
<emphasis id="1E1AE9C8013A0119CEB63234A6D0B0DE" italics="true" pageId="0" pageNumber="39">Cotoneaster Cotoneaster</emphasis>
</taxonomicName>
taxa based on 72 whole chloroplast genomes showing the position of
<taxonomicName id="59A395C031281F695A645A2357FAAE40" authorityName="M. W. Li, Q. Fan &amp; W. B. Liao" authorityYear="2023" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster densiflorus" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="species" species="densiflorus">
<emphasis id="84E0FFFABC64C687724298F21FD6EE39" italics="true" pageId="0" pageNumber="39">Cotoneaster densiflorus</emphasis>
</taxonomicName>
(bold and highlighted with green) in the genus. Numbers near the branches are ML and BI bootstrap values. GenBank accessions were provided after underlines.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="49A40D44B4F76B52CF87B423488152A7" pageId="0" pageNumber="39" type="chromosome ploidy analysis">
<paragraph id="5E357CAC76B6AA0D167CEF23FF1C6E32" pageId="0" pageNumber="39">Chromosome ploidy analysis.</paragraph>
<paragraph id="371FB30E5B0F838BCBD6E941B00400CC" pageId="0" pageNumber="39">
The results of flow cytometry analysis displayed a mean genome size (2C-value) of 2.33
<normalizedToken id="3C126EAA39640C2C1C63643480B88ECC" originalValue="±">+/-</normalizedToken>
0.19 pg for
<taxonomicName id="77C1366B7BB057A16757EA251627DC27" lsidName="C. densiflorus" pageId="0" pageNumber="39" rank="species" species="densiflorus">
<emphasis id="7FC08BF63D17D6FFA25BA766DDD6A6E7" italics="true" pageId="0" pageNumber="39">C. densiflorus</emphasis>
</taxonomicName>
(Table
<tableCitation id="059073AA946B59CB9136F394E6D5F587" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Diagnostic micro-morphological characteristic and 2 C DNA of Cotoneaster densiflorus, C. salicifolius and C. rhytidophyllus (values M + / - SD μm)." httpUri="http://table.plazi.org/id/46B7C1A79C7E80EFF1DC05001BFF801B" pageId="0" pageNumber="39" tableUuid="46B7C1A79C7E80EFF1DC05001BFF801B">3</tableCitation>
). Comparing with ploidy levels and genome sizes of
<taxonomicName id="7E5461842EF0E98716F44AC91F6A8882" authority="Cotoneaster" class="Magnoliopsida" family="Rosaceae" genus="Cotoneaster" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cotoneaster" order="Rosales" pageId="0" pageNumber="39" phylum="Tracheophyta" rank="section" section="Cotoneaster">
<emphasis id="D28786DB60D8A9185F135B0A1B6648B7" italics="true" pageId="0" pageNumber="39">Cotoneaster Cotoneaster</emphasis>
</taxonomicName>
species reported in the previous studies (
<bibRefCitation id="6A1F2D7C05B458F54929D88C86283C9C" DOI="https://doi.org/10.21273/JASHS03776-16" author="Rothleutner, JJ" journalOrPublisher="Journal of the American Society for Horticultural Science" pageId="0" pageNumber="39" pagination="457 - 466" refId="B28" refString="Rothleutner, JJ, Friddle, MW, Contreras, RN, 2016. Ploidy levels, relative genome sizes, and base pair composition in Cotoneaster. Journal of the American Society for Horticultural Science 141 (5): 457 - 466, DOI: https://doi.org/10.21273/JASHS03776-16" title="Ploidy levels, relative genome sizes, and base pair composition in Cotoneaster." url="https://doi.org/10.21273/JASHS03776-16" volume="141" year="2016">Rothleutner et al. 2016</bibRefCitation>
;
<bibRefCitation id="E816680301617F422D72CB84098DEDBB" DOI="https://doi.org/10.1007/s11756-021-00772-3" author="Ksinan, S" journalOrPublisher="Biologia" pageId="0" pageNumber="39" pagination="2067 - 2078" refId="B14" refString="Ksinan, S, Durisova, L, Elias Jr, P, 2021. Genome size estimation of Cotoneaster species (Rosaceae) from the Western Carpathians. Biologia 76 (7): 2067 - 2078, DOI: https://doi.org/10.1007/s11756-021-00772-3" title="Genome size estimation of Cotoneaster species (Rosaceae) from the Western Carpathians." url="https://doi.org/10.1007/s11756-021-00772-3" volume="76" year="2021">Ksinan et al. 2021</bibRefCitation>
), this species was inferred as tetraploid (2n = 4x =68), while its closely-related species,
<taxonomicName id="F72004457A2735F2ADA193EC4880D351" lsidName="C. salicifolius" pageId="0" pageNumber="39" rank="species" species="salicifolius">
<emphasis id="F83E4089DC1AF508635F97DDBB21F26A" italics="true" pageId="0" pageNumber="39">C. salicifolius</emphasis>
</taxonomicName>
(2C-value = 1.13
<normalizedToken id="D0240072B09C108BC2065AAC944A9BAB" originalValue="±">+/-</normalizedToken>
0.16; unpublished data) and
<taxonomicName id="174B04AFD8E5A6B6F983A57CD61790AD" lsidName="C. rhytidophyllus" pageId="0" pageNumber="39" rank="species" species="rhytidophyllus">
<emphasis id="7AD5E5574B1C88BE5F0F1D498B82C39E" italics="true" pageId="0" pageNumber="39">C. rhytidophyllus</emphasis>
</taxonomicName>
(2C-value = 1.55
<normalizedToken id="D2FB19D82F8374D9C1571C76D95EC4ED" originalValue="±">+/-</normalizedToken>
0.10; unpublished data) were diploid (2n = 2x = 34) (
<bibRefCitation id="31D6145DFCEF4EDA8FF104C9AB244278" author="Fryer, J" journalOrPublisher="Timber Press, Portland and London" pageId="0" pageNumber="39" refId="B9" refString="Fryer, J, Hylmoe, B, 2009. Cotoneasters: A Comprehensive Guide to Shrubs for Flowers, Fruit, and Foliage. Timber Press, Portland and London" title="Cotoneasters: A Comprehensive Guide to Shrubs for Flowers, Fruit, and Foliage." year="2009">
Fryer and
<normalizedToken id="C0F35A53F329A61D70CE07C6A6DD0BB0" originalValue="Hylmö">Hylmoe</normalizedToken>
2009
</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="CB037774D6FBB344AB20CEE3D4DC95EF" pageId="0" pageNumber="39" type="conservation status">
<paragraph id="C1B1E90B175D965ACF4F29B04F494C2D" pageId="0" pageNumber="39">Conservation status.</paragraph>
<paragraph id="D360B2F1478C1BEC82AC9B97B79E6C59" pageId="0" pageNumber="39">Only one large population was found with nearly 60 mature and juvenile individuals on steep slopes about 2 km along the highway. Its habitat is affected and threatened by the violent geological, climate and artificial activities with frequent construction of highways, mud-rock flows, landslides, and even earthquakes in the last few decades. Therefore, the species could be considered as CR (Critically Endangered) status according to IUCN Red List Criteria (IUCN 2022).</paragraph>
</subSubSection>
<subSubSection id="4EB6AC187B0E4F7A440239E336CAD75C" pageId="0" pageNumber="39" type="materials_examined">
<paragraph id="7AEDAC996022B237A29166D1350966E1" pageId="0" pageNumber="39">Additional specimens examined</paragraph>
<paragraph id="E0828BD69490532540740A13D0F7F838" pageId="0" pageNumber="39">
<emphasis id="B5148E7DC519E86F051274C25D28EA56" bold="true" pageId="0" pageNumber="39">
(
<typeStatus id="7AAA0E380D8FE4913519BEED04964475">paratypes</typeStatus>
).
</emphasis>
<materialsCitation id="37D1CA2F38DA36CF581FCD84B53194B4" collectingDate="2023-06-17" collectorName="M. W. Li" country="China" county="Baoxing County" elevation="2180" latitude="30.716667" location="Zegen Village" longLatPrecision="1220" longitude="102.75" municipality="Qiaoqi Town" specimenCount="1" stateProvince="Sichuan">
<collectingCountry id="14BFC686485AFFF2E2BB063D9DEB9DC3" name="China">China</collectingCountry>
.
<collectingRegion id="36E699781BA1F13DA8C7C6A851413E95" country="China" name="Sichuan">Sichuan</collectingRegion>
:
<collectingCounty id="84C023761232F7BA99EF8E3D4FDB32CF">Baoxing County</collectingCounty>
,
<collectingMunicipality id="C1FA898F22646E6FCC439F61D3701784">Qiaoqi Town</collectingMunicipality>
,
<location id="A127BE5745499E694CD236F9E50C4AFE" LSID="urn:lsid:plazi:treatment:CB30416CB61152C9A3F4DD53D957CC37:A127BE5745499E694CD236F9E50C4AFE" country="China" county="Baoxing County" latitude="30.716667" longLatPrecision="1220" longitude="102.75" municipality="Qiaoqi Town" name="Zegen Village" stateProvince="Sichuan">Zegen Village</location>
,
<geoCoordinate id="87E4CB112F0E97E2E03E660720687F54" degrees="30" direction="north" minutes="43" orientation="latitude" precision="925" value="30.716667">30°43′N</geoCoordinate>
,
<geoCoordinate id="38B3C8B11867FC286CE6A6C78D6C5CD5" degrees="102" direction="east" minutes="45" orientation="longitude" precision="925" value="102.75">102°45′E</geoCoordinate>
,
<elevation id="C41DB300808BE52DABB423A68060D6FC" metricMagnitude="3" metricUnit="m" metricValue="2.18" unit="m" value="2180.0">
<quantity id="494808D0014BB027C7764E92CD2E1BBE" metricMagnitude="3" metricUnit="m" metricValue="2.18" unit="m" value="2180.0">2180 m</quantity>
a.s.l.
</elevation>
,
<collectingDate id="97BF10637BF7EA055856ACE15C0D521C" value="2023-06-17">17 June 2023</collectingDate>
,
<emphasis id="025537AE77CE824E2C859906C561E934" italics="true" pageId="0" pageNumber="39">
<collectorName id="C6DA083C407E3A7333184114D20DC865">M.W. Li</collectorName>
20230617007
</emphasis>
(SYS)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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