237 lines
17 KiB
XML
237 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.219.96510" ID-GBIF-Dataset="01a5a88e-f6a9-450f-8e74-216ace408fe7" ID-Pensoft-Pub="1314-2003-219-77" ID-Pensoft-UUID="E85C6CDFB92F5E779A8C633DC0E2A2FD" ModsDocID="1314-2003-219-77" checkinTime="1675346906192" checkinUser="pensoft" docAuthor="Fei, Wen-Qun, Yuan, Qiong & Yang, Qin-Er" docDate="2023" docId="9563309AF2285C268196A2250FD3E7AE" docLanguage="en" docName="PhytoKeys 219: 77-96" docOrigin="PhytoKeys 219" docPubDate="2023-02-01" docSource="http://dx.doi.org/10.3897/phytokeys.219.96510" docTitle="Ranunculus maoxianensis W. Q. Fei, Q. Yuan & Q. E. Yang 2023, sp. nov." docType="treatment" docVersion="2" id="E85C6CDFB92F5E779A8C633DC0E2A2FD" lastPageNumber="77" masterDocId="E85C6CDFB92F5E779A8C633DC0E2A2FD" masterDocTitle="Ranunculus maoxianensis (Ranunculaceae), a new species from northwestern Sichuan, China, with an emended description of R. chongzhouensis, the putative closest ally of the new species" masterLastPageNumber="96" masterPageNumber="77" pageNumber="77" updateTime="1675347510749" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Ranunculus maoxianensis (Ranunculaceae), a new species from northwestern Sichuan, China, with an emended description of R. chongzhouensis, the putative closest ally of the new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Fei, Wen-Qun</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9942-2120</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510655, Guangdong, China & University of Chinese Academy of Sciences, Beijing 100049, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yuan, Qiong</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2613-5045</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510655, Guangdong, China & Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510655, Guangdong, China</mods:affiliation>
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<mods:nameIdentifier type="email">yuanqiong@scbg.ac.cn</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yang, Qin-Er</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6261-0731</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510655, Guangdong, China & Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510655, Guangdong, China</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-02-01</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>219</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>77</mods:start>
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<mods:end>96</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.219.96510</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.219.96510</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-219-77</mods:identifier>
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<mods:identifier type="Pensoft-UUID">E85C6CDFB92F5E779A8C633DC0E2A2FD</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:9563309AF2285C268196A2250FD3E7AE" httpUri="http://treatment.plazi.org/id/9563309AF2285C268196A2250FD3E7AE" lastPageNumber="77" pageId="0" pageNumber="77">
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<subSubSection pageId="0" pageNumber="77" type="nomenclature">
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<paragraph pageId="0" pageNumber="77">
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<taxonomicName LSID="9563309A-F228-5C26-8196-A2250FD3E7AE" authority="W. Q. Fei, Q. Yuan & Q. E. Yang" authorityName="W. Q. Fei, Q. Yuan & Q. E. Yang" authorityYear="2023" class="Magnoliopsida" family="Ranunculaceae" genus="Ranunculus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ranunculus maoxianensis" order="Ranunculales" pageId="0" pageNumber="77" phylum="Angiospermae" rank="species" species="maoxianensis" status="sp. nov.">Ranunculus maoxianensis W.Q.Fei, Q.Yuan & Q.E.Yang</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="77">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="description">
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<paragraph pageId="0" pageNumber="77">
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Ranunculus maoxianensis sp. nov. in the wild (China, Sichuan, Maoxian) A habitat B habit C roots D portion of stem E leaf blade (left: adaxial side; right: abaxial side) F flower (lateral view) G flower (top view) H sepal (left: abaxial side; right: adaxial side) I petal (left: adaxial side; right: abaxial side) J stamens K carpels L aggregate fruit M achenes N receptacle. Photographed by Wen-Qun Fei." figureDoi="10.3897/phytokeys.219.96510.figure1" httpUri="https://binary.pensoft.net/fig/802968" pageId="0" pageNumber="77">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Holotype (A) and isotype (B-D) sheets of Ranunculus maoxianensis sp. nov." figureDoi="10.3897/phytokeys.219.96510.figure2" httpUri="https://binary.pensoft.net/fig/802969" pageId="0" pageNumber="77">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="diagnosis">
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<paragraph pageId="0" pageNumber="77">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="77">
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<taxonomicName authorityName="W. Q. Fei, Q. Yuan & Q. E. Yang" authorityYear="2023" class="Magnoliopsida" family="Ranunculaceae" genus="Ranunculus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ranunculus maoxianensis" order="Ranunculales" pageId="0" pageNumber="77" phylum="Angiospermae" rank="species" species="maoxianensis">
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<emphasis italics="true" pageId="0" pageNumber="77">Ranunculus maoxianensis</emphasis>
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</taxonomicName>
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is similar to
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<taxonomicName class="Magnoliopsida" family="Ranunculaceae" kingdom="Plantae" lsidName="R. chongzhouensis" order="Ranunculales" pageId="0" pageNumber="77" phylum="Tracheophyta" rank="species" species="chongzhouensis">
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<emphasis italics="true" pageId="0" pageNumber="77">R. chongzhouensis</emphasis>
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</taxonomicName>
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in leaf blade shape and indumentum of the receptacles, carpels and achenes. However, it is easily distinguishable by having leaves adaxially puberulous with shorter appressed hairs 0.16-0.28 mm long (vs. longer appressed hairs 0.55-0.85 mm long), larger flowers (1.8-2 cm vs. 1.4-1.6 cm in diameter), larger (8-10
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<normalizedToken originalValue="×">x</normalizedToken>
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5.5-6.5 mm vs. 6-7
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-5 mm) and widely obovate petals (vs. obovate), more numerous stamens (35-55 vs. 12-18), and subglobose gynoecium and aggregate fruit (vs. ellipsoid).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="materials_examined">
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<paragraph pageId="0" pageNumber="77">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="77">
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<materialsCitation collectingDate="2022-06-07" collectorName="W. Q. Fei" country="China" county="Maoxian" elevation="3274" latitude="31.510078" location="Jiuding Shan" longLatPrecision="1" longitude="103.78112" municipality="Nanxin town" specimenCount="1" stateProvince="Sichuan" typeStatus="holotype">
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<collectingCountry name="China">China</collectingCountry>
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.
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<collectingRegion country="China" name="Sichuan">Sichuan</collectingRegion>
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:
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<collectingCounty>Maoxian</collectingCounty>
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,
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<collectingMunicipality>Nanxin town</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:9563309AF2285C268196A2250FD3E7AE:D4B560CBB54D021E64E3B753CB134F11" country="China" county="Maoxian" latitude="31.510078" longLatPrecision="1" longitude="103.78112" municipality="Nanxin town" name="Jiuding Shan" stateProvince="Sichuan">Jiuding Shan</location>
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,
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<geoCoordinate degrees="31" direction="north" minutes="30" orientation="latitude" precision="1" seconds="36.28" value="31.510078">31°30'36.28"N</geoCoordinate>
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,
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<geoCoordinate degrees="103" direction="east" minutes="46" orientation="longitude" precision="1" seconds="52.01" value="103.78112">103°46'52.01"E</geoCoordinate>
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, alt.
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<quantity metricMagnitude="3" metricUnit="m" metricValue="3.2739999999999996" unit="m" value="3274.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="3.2739999999999996" unit="m" value="3274.0">3274 m</elevation>
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</quantity>
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, in
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<taxonomicName class="Magnoliopsida" family="Ericaceae" genus="Rhododendron" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="77" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="77">Rhododendron</emphasis>
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</taxonomicName>
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forests,
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<collectingDate value="2022-06-07">7 June 2022</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="77">
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<collectorName>W.Q. Fei</collectorName>
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565
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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: IBSC; isotypes: CDBI, IBSC, PE)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="description">
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<paragraph pageId="0" pageNumber="77">Description.</paragraph>
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<paragraph pageId="0" pageNumber="77">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Herb</emphasis>
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perennial, terrestrial.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Roots</emphasis>
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fibrous, slender.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Stems</emphasis>
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25-55 cm tall when in bloom, branched, erect, sparsely puberulous.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Basal leaves</emphasis>
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2-5, long petiolate; petioles 7-20 cm long, sparsely puberulous; blades 2.2-3.2
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<normalizedToken originalValue="×">x</normalizedToken>
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3.8-5.2 cm, reniform, 3-lobed or 3-partite, herbaceous, adaxially green, appressed puberulous with hairs 0.16-0.28 mm long, abaxially light green, puberulous with hairs 0.65-1.1 mm long, base truncate or cordate, central segment 1.2-1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-1.2 cm, rhombic or rhombic-obovate, margin crenulate, lateral segments 1.5-1.8
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<normalizedToken originalValue="×">x</normalizedToken>
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2-2.6 cm, obliquely flabellate, unequally 2-partite, margin crenulate.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Lower cauline leaves</emphasis>
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1-2, similar to basal ones but smaller.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Upper cauline leaves</emphasis>
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2-4, subsessile or sessile, 3-sected, segments 1.5-3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.3-0.8 mm, obtriangular, lanceolate or linear, entire or 3-5-lobed.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Inflorescences</emphasis>
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terminal, 4-10-flowered.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Flowers</emphasis>
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1.8-2 cm in diameter; pedicels 5-10 cm long, appressed puberulous; receptacles 3.5-4 mm long, clavate, puberulous; sepals 5, 4.6-5
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, elliptic to obovate, green tinged with yellowish, adaxially glabrous, abaxially puberulous; petals 5(-6), 8-10
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<normalizedToken originalValue="×">x</normalizedToken>
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5.5-6.5 mm, widely obovate, yellow, glabrous, apex rounded or subtruncate, nectary pit without a scale, claw ca. 0.6 mm long; stamens 35-55, filaments 1.5-2 mm long, narrowly linear, anthers 1-1.2 mm long, oblong; gynoecium subglobose; carpels 16-22, ovaries ca. 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8 mm, ovoid or widely ovoid, laterally flattened, biconvex, puberulous, styles ca. 0.9 mm long, glabrous, straight or apex recurved.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="77">Aggregate fruit</emphasis>
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ca. 7
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<normalizedToken originalValue="×">x</normalizedToken>
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7 mm, subglobose; achenes ca. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2 mm, obliquely or widely ovoid, laterally flattened, biconvex, puberulous, styles ca. 1 mm long, persistent, glabrous, straight or apex recurved.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="etymology">
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<paragraph pageId="0" pageNumber="77">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="77">The specific epithet refers to the type locality of the new species, i.e. Maoxian county in northwestern Sichuan province, China.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="phenology">
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<paragraph pageId="0" pageNumber="77">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="77">Flowering from June to July; fruiting from July to August.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="distribution">
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<paragraph pageId="0" pageNumber="77">Distribution and habitat.</paragraph>
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<paragraph pageId="0" pageNumber="77">
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<taxonomicName authorityName="W. Q. Fei, Q. Yuan & Q. E. Yang" authorityYear="2023" class="Magnoliopsida" family="Ranunculaceae" genus="Ranunculus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ranunculus maoxianensis" order="Ranunculales" pageId="0" pageNumber="77" phylum="Angiospermae" rank="species" species="maoxianensis">
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<emphasis italics="true" pageId="0" pageNumber="77">Ranunculus maoxianensis</emphasis>
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</taxonomicName>
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is currently known only from its type locality, i.e., Jiuding Shan in Maoxian county, northwestern Sichuan province, China (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Distribution of Ranunculus chongzhouensis (■) and R. maoxianensis (●). Black arrow indicates the type locality of R. chongzhouensis, i. e., Chongzhou city in Sichuan province, China." figureDoi="10.3897/phytokeys.219.96510.figure13" httpUri="https://binary.pensoft.net/fig/802980" pageId="0" pageNumber="77">13</figureCitation>
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). It grows in
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<taxonomicName class="Magnoliopsida" family="Ericaceae" genus="Rhododendron" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="77" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="77">Rhododendron</emphasis>
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</taxonomicName>
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forests at altitudes of 3200-3400 m above sea level.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="conservation status">
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<paragraph pageId="0" pageNumber="77">Conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="77">
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Although
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<taxonomicName authorityName="W. Q. Fei, Q. Yuan & Q. E. Yang" authorityYear="2023" class="Magnoliopsida" family="Ranunculaceae" genus="Ranunculus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ranunculus maoxianensis" order="Ranunculales" pageId="0" pageNumber="77" phylum="Angiospermae" rank="species" species="maoxianensis">
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<emphasis italics="true" pageId="0" pageNumber="77">Ranunculus maoxianensis</emphasis>
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</taxonomicName>
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is currently known only from its type locality, i.e., Jiuding Shan in Maoxian county, northwestern Sichuan province, China, our observations on living plants at its type locality revealed that this species is very common in
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<taxonomicName class="Magnoliopsida" family="Ericaceae" genus="Rhododendron" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="77" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="77">Rhododendron</emphasis>
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</taxonomicName>
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forests at altitudes of 3200-3400 m above sea level. It should better be categorized as "Least Concern (LC)", following the IUCN Standards and Petitions Committee (IUCN 2022).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="77" type="materials_examined">
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<paragraph pageId="0" pageNumber="77">Additional specimens examined</paragraph>
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<paragraph pageId="0" pageNumber="77">
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<emphasis bold="true" pageId="0" pageNumber="77">
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(
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<typeStatus>paratype</typeStatus>
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).
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</emphasis>
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<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" collectorName="Maoxian, W. Q, H. S. Wu" country="China" location="Sichuan" specimenCount="1" stateProvince="Sichuan">
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<collectingCountry name="China">China</collectingCountry>
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.
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<emphasis bold="true" pageId="0" pageNumber="77">
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<collectingRegion country="China" name="Sichuan">Sichuan</collectingRegion>
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</emphasis>
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:
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<collectorName>
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Maoxian,
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<emphasis italics="true" pageId="0" pageNumber="77">
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W.Q. Fei &
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<collectorName>H.S. Wu</collectorName>
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397
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</emphasis>
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</collectorName>
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(IBSC)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |