216 lines
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216 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.144.48516" ID-GBIF-Dataset="00f160aa-ae2f-49ce-824b-8d3248b93f46" ID-PMC="PMC7093571" ID-Pensoft-Pub="1314-2003-144-1" ID-Pensoft-UUID="D82341519D9555609E133AB0292C0CD1" ID-PubMed="32231457" ModsDocID="1314-2003-144-1" checkinTime="1584547045888" checkinUser="pensoft" docAuthor="Li, Meng, Gao, Xin-Fen, Tian, Jing & Ju, Wen-Bin" docDate="2020" docId="2C5940AC01DB5AA8B6D36ACB44F0ECA0" docLanguage="en" docName="PhytoKeys 144: 1-9" docOrigin="PhytoKeys 144" docSource="http://dx.doi.org/10.3897/phytokeys.144.48516" docTitle="Sorbus gongshanensis Xin-Fen Gao & Meng Li 2020, sp. nov." docType="treatment" docVersion="4" id="D82341519D9555609E133AB0292C0CD1" lastPageNumber="1" masterDocId="D82341519D9555609E133AB0292C0CD1" masterDocTitle="Sorbus gongshanensis (Rosaceae), a new species from the Hengduan Mountains, China" masterLastPageNumber="9" masterPageNumber="1" pageNumber="1" updateTime="1668139744040" 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>Sorbus gongshanensis (Rosaceae), a new species from the Hengduan Mountains, China</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>Li, Meng</mods:namePart>
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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>Gao, Xin-Fen</mods:namePart>
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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>Tian, Jing</mods:namePart>
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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>Ju, Wen-Bin</mods:namePart>
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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>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>144</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>9</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.144.48516</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.144.48516</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-144-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">D82341519D9555609E133AB0292C0CD1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="162630373" LSID="urn:lsid:plazi:treatment:2C5940AC01DB5AA8B6D36ACB44F0ECA0" httpUri="http://treatment.plazi.org/id/2C5940AC01DB5AA8B6D36ACB44F0ECA0" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="2C5940AC-01DB-5AA8-B6D3-6ACB44F0ECA0" authority="Xin-Fen Gao & Meng Li" authorityName="Xin-Fen Gao & Meng Li" authorityYear="2020" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus gongshanensis" order="Rosales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gongshanensis" status="sp. nov.">Sorbus gongshanensis Xin-Fen Gao & Meng Li</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Main morphological characters of Sorbus gongshanensis A flower, longitudinal section B fruiting branch C fruit, longitudinal section D fruit, cross section." figureDoi="10.3897/phytokeys.144.48516.figure1" httpUri="https://binary.pensoft.net/fig/389925" pageId="0" pageNumber="1">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sorbus gongshanensis A habit B stipules and reddish-brown hairs on infructescences C leaves D stomata of abaxial blade surface E inflorescence F perprolate shape pollen, length of polar axis (33.03 + / - 2.67 μm) and equatorial (16.61 + / - 2.44 μm) diameter G striate-perforate ornamentation of pollen grains." figureDoi="10.3897/phytokeys.144.48516.figure2" httpUri="https://binary.pensoft.net/fig/389926" pageId="0" pageNumber="1">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Type.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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China. Yunnan: Gongshan County, Bingzhongluo Xiang. Vicinity of Fucai, on the north side of Nianwaluo River, ca. 10.8 direct km of Bingzhongluo, east side of Gaoligong Mountains,
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<geoCoordinate degrees="28" direction="north" minutes="0.47" orientation="latitude" precision="9" value="28.007833">28°0.47'N</geoCoordinate>
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,
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<geoCoordinate degrees="98" direction="east" minutes="31.11" orientation="longitude" precision="9" value="98.5185">98°31.11'E</geoCoordinate>
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, alt. 2780 m, 1 Sept. 2006.
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<emphasis italics="true" pageId="0" pageNumber="1">Gaoligong Shan Biodiversity Survey (2006) 31749</emphasis>
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(holotype: GH; isotypes: CAS, KUN).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Similar to
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<taxonomicName lsidName="S. kurzii" pageId="0" pageNumber="1" rank="species" species="kurzii">
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<emphasis italics="true" pageId="0" pageNumber="1">S. kurzii</emphasis>
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</taxonomicName>
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, but differs in its serrate leaflet margins toothed in the distal half or often almost to their base, reddish brown villous to glabrous hypanthium and reddish brown villous infructescences.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Shrubs or trees, 2-3 m tall. Bark gray. Branchlets tomentose when young, glabrous when old. Buds ovoid. Leaves pinnately compound, 8-10
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<normalizedToken originalValue="×">x</normalizedToken>
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5-5.5 cm; petiole 1.5-3 cm long; stipules membranous, caducous; rachis slightly winged, sulcate, sparsely tomentose; leaflets 2-4 pairs, opposite, elliptic, oblong to oblong-ovate, 2.8-3.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.5 cm, length/width ratio 2.4-3, surfaces essentially glabrous or sparsely (moderately) villous at flowering, usually glabrescent thereafter; blade paler abaxially, dull green adaxially; lateral veins 8-11 pairs, margins serrate, in the distal half or often almost to their base; base rounded or oblique, apex acute. Inflorescences corymbose, 4-5
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 cm, 3-15 flowered, sparsely reddish brown villous; stipules semi-orbicular, 0.5-0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.3 cm, herbaceous, persistent in fruit; pedicels sparsely reddish brown villous. Flowers 6-8 mm in diam.; hypanthium reddish brown villous or glabrous, sepals 1-1.5(-2) mm long, margins entire; petals white, orbiculate to obovate, 3-4 mm long; stamens 15-20; carpels 1/2 adnate to hypanthium, styles 3-5. Infructescences sparsely reddish brown villous; pomes red, globose to subglobose, 6-8 mm in diam.; sepals inconspicuous, incurved when fruiting. Seeds brown, ovoid-lanceoloid, 3-4
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<normalizedToken originalValue="×">x</normalizedToken>
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1.2-1.5 mm, slightly asymmetric.
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</paragraph>
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<caption doi="10.3897/phytokeys.144.48516.figure1" httpUri="https://binary.pensoft.net/fig/389925" pageId="0" pageNumber="1" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 1.</emphasis>
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Main morphological characters of
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<taxonomicName authorityName="Xin-Fen Gao & Meng Li" authorityYear="2020" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus gongshanensis" order="Rosales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Sorbus gongshanensis</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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flower, longitudinal section
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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fruiting branch
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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fruit, longitudinal section
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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fruit, cross section.
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</paragraph>
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</caption>
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<caption doi="10.3897/phytokeys.144.48516.figure2" httpUri="https://binary.pensoft.net/fig/389926" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
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<taxonomicName authorityName="Xin-Fen Gao & Meng Li" authorityYear="2020" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus gongshanensis" order="Rosales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Sorbus gongshanensis</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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habit
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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stipules and reddish-brown hairs on infructescences
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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leaves
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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stomata of abaxial blade surface
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<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
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inflorescence
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<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
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perprolate shape pollen, length of polar axis (33.03
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<normalizedToken originalValue="±">+/-</normalizedToken>
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2.67
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) and equatorial (16.61
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<normalizedToken originalValue="±">+/-</normalizedToken>
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2.44
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) diameter
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<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
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striate-perforate ornamentation of pollen grains.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">The specific epithet refers to the type locality, Gongshan County.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="phenology">
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<paragraph pageId="0" pageNumber="1">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="1">Flowering May-July, fruiting September-October.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="distribution">
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<paragraph pageId="0" pageNumber="1">Distribution and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="Xin-Fen Gao & Meng Li" authorityYear="2020" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus gongshanensis" order="Rosales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Sorbus gongshanensis</emphasis>
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</taxonomicName>
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is known from the Yunnan & Xizang Province, China (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Geographical distribution map of Sorbus gongshanensis from Yunnan and Xizang province, China." figureDoi="10.3897/phytokeys.144.48516.figure3" httpUri="https://binary.pensoft.net/fig/389927" pageId="0" pageNumber="1">3</figureCitation>
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). It grows in broad-leaved forests or on rocky slopes; 2500-3000 m.
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</paragraph>
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<caption doi="10.3897/phytokeys.144.48516.figure3" httpUri="https://binary.pensoft.net/fig/389927" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
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Geographical distribution map of
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<taxonomicName authorityName="Xin-Fen Gao & Meng Li" authorityYear="2020" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus gongshanensis" order="Rosales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Sorbus gongshanensis</emphasis>
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</taxonomicName>
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from Yunnan and Xizang province, China.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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China. Yunnan: Gongshan County, Cikai Xiang, east side of Gaoligong Mountains, along the Danzhu River, on the roadside from Nu Jiang to Danzhu,
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<geoCoordinate degrees="27" direction="north" minutes="37.82" orientation="latitude" precision="9" value="27.630333">27°37.82'N</geoCoordinate>
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,
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<geoCoordinate degrees="98" direction="east" minutes="37.30" orientation="longitude" precision="9" value="98.621666">98°37.30'E</geoCoordinate>
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, alt. 2650 m., 2 July 2000.
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<emphasis italics="true" pageId="0" pageNumber="1">Li Heng 11905</emphasis>
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(GH, CAS, KUN). Xizang: Motuo County, 80k to Galung La,
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<geoCoordinate degrees="29" direction="north" minutes="42.30" orientation="latitude" precision="9" value="29.705">29°42.30'N</geoCoordinate>
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,
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<geoCoordinate degrees="95" direction="east" minutes="34.24" orientation="longitude" precision="9" value="95.57066">95°34.24'E</geoCoordinate>
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, alt. 2782 m., 2 June 2015.
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<emphasis italics="true" pageId="0" pageNumber="1">Meng Li 00281</emphasis>
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(CDBI, NF).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="conservation status">
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<paragraph pageId="0" pageNumber="1">Conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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The distribution of
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<taxonomicName lsidName="S. gongshanensis" pageId="0" pageNumber="1" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">S. gongshanensis</emphasis>
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</taxonomicName>
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is based on three collections. The collection notes mention that
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<taxonomicName lsidName="S. gongshanensis" pageId="0" pageNumber="1" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">S. gongshanensis</emphasis>
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</taxonomicName>
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is occasional in forests among boulders. There is no direct or indirect information about its current conservation status or possible threats. We therefore assign the conservation status of
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<taxonomicName lsidName="S. gongshanensis" pageId="0" pageNumber="1" rank="species" species="gongshanensis">
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<emphasis italics="true" pageId="0" pageNumber="1">S. gongshanensis</emphasis>
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</taxonomicName>
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as 'Data Deficient (DD)' according to the IUCN red list criteria (
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<bibRefCitation author="IUCN" journalOrPublisher="2). L. Reeve, London" pageId="0" pageNumber="1" publicationUrl="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B6" refString="IUCN, 2017. Guidelines for using the IUCN Red List categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee. http://www.iucnredlist.org/documents/RedListGuidelines.pdf" title="Guidelines for using the IUCN Red List categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee." url="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" year="2017">IUCN 2017</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |