438 lines
33 KiB
XML
438 lines
33 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.179.64750" ID-GBIF-Dataset="102db866-dd39-481d-b471-b544c94fa15a" ID-PMC="PMC8225594" ID-Pensoft-Pub="1314-2003-179-13" ID-Pensoft-UUID="EC2AD22A98735372B306F34584248BB9" ID-PubMed="34220209" ModsDocID="1314-2003-179-13" checkinTime="1623961730043" checkinUser="pensoft" docAuthor="Yang, Yi, Peng, Hua & Sun, Hang" docDate="2021" docId="D2EC203A13F853A5A156C6648B4487ED" docLanguage="en" docName="PhytoKeys 179: 13-28" docOrigin="PhytoKeys 179" docPubDate="2021-06-17" docSource="http://dx.doi.org/10.3897/phytokeys.179.64750" docTitle="Sageretia cordiformis Yi Yang, H. Sun & H. Peng, comb. & 2021, stat. nov." docType="treatment" docVersion="5" id="EC2AD22A98735372B306F34584248BB9" lastPageNumber="13" masterDocId="EC2AD22A98735372B306F34584248BB9" masterDocTitle="Taxonomic revision of Sageretia (Rhamnaceae) from China I: identities of S. lucida, S. thea var. cordiformis and S. yunlongensis, with the description of a new species S. ellipsoidea" masterLastPageNumber="28" masterPageNumber="13" pageNumber="13" updateTime="1668140365062" 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>Taxonomic revision of Sageretia (Rhamnaceae) from China I: identities of S. lucida, S. thea var. cordiformis and S. yunlongensis, with the description of a new species S. ellipsoidea</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>Yang, Yi</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1996-5446</mods:nameIdentifier>
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<mods:affiliation>Laboratory of Subtropical Biodiversity, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, 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>Peng, Hua</mods:namePart>
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<mods:affiliation>CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China</mods:affiliation>
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<mods:nameIdentifier type="email">hpeng@mail.kib.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>Sun, Hang</mods:namePart>
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<mods:affiliation>CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China</mods:affiliation>
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<mods:nameIdentifier type="email">sunhang@mail.kib.ac.cn</mods:nameIdentifier>
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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>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-06-17</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>179</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>13</mods:start>
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<mods:end>28</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.179.64750</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.179.64750</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-179-13</mods:identifier>
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<mods:identifier type="Pensoft-UUID">EC2AD22A98735372B306F34584248BB9</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182953797" LSID="urn:lsid:plazi:treatment:D2EC203A13F853A5A156C6648B4487ED" httpUri="http://treatment.plazi.org/id/D2EC203A13F853A5A156C6648B4487ED" lastPageNumber="13" pageId="0" pageNumber="13">
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<subSubSection pageId="0" pageNumber="13" type="nomenclature">
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<paragraph pageId="0" pageNumber="13">
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<taxonomicName LSID="D2EC203A-13F8-53A5-A156-C6648B4487ED" authority="(Y. L. Chen & P. K. Chou) Yi Yang, H. Sun & H. Peng, comb. &" authorityName="Yi Yang, H. Sun & H. Peng, comb. &" authorityYear="2021" baseAuthorityName="Y. L. Chen & P. K. Chou" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordiformis" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordiformis" status="stat. nov.">Sageretia cordiformis (Y.L.Chen & P.K.Chou) Yi Yang, H.Sun & H.Peng, comb. &</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="13">stat. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Type specimens of Sageretia cordifolia, S. cordiformis and S. thea A, B isotypes of S. cordifolia (A: P [P 01818867]; B: P [06765093]) C holotype of S. cordiformis (KUN [1207932]) D isotype of S. cordiformis (KUN [1207933]) E, F isotypes of S. thea (E: S [S 11 - 12914]; F: LD [1749752]). A, B and E, F obtained from GBIF, C, D from NOI (https: // noi. link /)." figureDoi="10.3897/phytokeys.179.64750.figure3" httpUri="https://binary.pensoft.net/fig/556309" pageId="0" pageNumber="13">: xin ye que mei teng (心叶雀梅藤) Figs 3C, D</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Field photos of Sageretia cordiformis (A, B) and S. thea (C, D) A and C habit B and D fruiting branch and leaf blades A-C photographed by Y. Yang, D by X. X. Zhu." figureDoi="10.3897/phytokeys.179.64750.figure4" httpUri="https://binary.pensoft.net/fig/556310" pageId="0" pageNumber="13">, 4A, B</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="reference_group">
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<paragraph pageId="0" pageNumber="13">
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<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" status="stat. nov." subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
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Y.L.Chen & P.K.Chou in Bull. Bot. Lab. North-East. Forest. Inst. 5: 74. 1979. Basionym.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="type material">
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<paragraph pageId="0" pageNumber="13">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="13">
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<emphasis bold="true" pageId="0" pageNumber="13">China. Yunnan</emphasis>
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: Xishuangbanna, Mengla County, 730 m, 28 Dec 1958,
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<emphasis italics="true" pageId="0" pageNumber="13">W.T. Wang 10496</emphasis>
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(holotype KUN [1207932]; isotype KUN [1207933]).
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</paragraph>
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<caption doi="10.3897/phytokeys.179.64750.figure3" httpUri="https://binary.pensoft.net/fig/556309" pageId="0" pageNumber="13" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="13">
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<emphasis bold="true" pageId="0" pageNumber="13">Figure 3.</emphasis>
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Type specimens of
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<taxonomicName authorityName="Tardieu" authorityYear="1946" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordifolia" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">Sageretia cordifolia</emphasis>
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</taxonomicName>
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,
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
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</taxonomicName>
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and
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea" order="Rosales" pageId="0" pageNumber="13" rank="species" species="thea">
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<emphasis italics="true" pageId="0" pageNumber="13">S. thea</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="13">A, B</emphasis>
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isotypes of
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordifolia" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordifolia</emphasis>
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</taxonomicName>
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(
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<emphasis bold="true" pageId="0" pageNumber="13">A</emphasis>
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: P [P01818867];
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<emphasis bold="true" pageId="0" pageNumber="13">B</emphasis>
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: P [06765093])
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<emphasis bold="true" pageId="0" pageNumber="13">C</emphasis>
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holotype of
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
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</taxonomicName>
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(KUN [1207932])
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<emphasis bold="true" pageId="0" pageNumber="13">D</emphasis>
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isotype of
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
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</taxonomicName>
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(KUN [1207933])
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<emphasis bold="true" pageId="0" pageNumber="13">E, F</emphasis>
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isotypes of
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea" order="Rosales" pageId="0" pageNumber="13" rank="species" species="thea">
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<emphasis italics="true" pageId="0" pageNumber="13">S. thea</emphasis>
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</taxonomicName>
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(E: S [S11-12914]; F: LD [1749752]).
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<emphasis bold="true" pageId="0" pageNumber="13">A, B</emphasis>
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and
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<emphasis bold="true" pageId="0" pageNumber="13">E, F</emphasis>
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obtained from GBIF,
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<emphasis bold="true" pageId="0" pageNumber="13">C, D</emphasis>
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from NOI (https://noi.link/).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="description">
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<paragraph pageId="0" pageNumber="13">Description.</paragraph>
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<paragraph pageId="0" pageNumber="13">
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Evergreen shrubs. Branches usually alternate, armed, glabrous to puberulent; second- to fourth-year branches brown. Leaves alternate or subopposite; petioles 1-3 mm, leaf blades leathery, shiny, glabrous, cordate to ovate-orbicular, 1-3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-2 cm, lateral veins 2-3 pairs, flat abaxially, impressed adaxially, base cordate or subcordate, margin crenate, apex obtuse or rounded. Inflorescences spicate or spicate-paniculate; rachises 1.5-5 (-10) cm. Flowers sessile; sepals triangular-ovate; petals clawed; stamens as long as petals. Drupes subglobose, ca. 5-6 mm in diam., from green to red and finally turn black, base with persistently reflexed calyx; pyrenes 2-3, emarginate at both ends, asymmetrical.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="phenology">
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<paragraph pageId="0" pageNumber="13">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="13">Flowering in September; ripe fruits from December to January of the following year.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="distribution">
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<paragraph pageId="0" pageNumber="13">Distribution and habitat.</paragraph>
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<paragraph pageId="0" pageNumber="13">
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The species is distributed in China (southwestern Yunnan; Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Distribution of Rhamnus nigricans, Sageretia cordiformis, S. ellipsoidea, and S. lucida. The sites were obtained from the specimen records, our field investigations and photo information in CFH and PPBC." figureDoi="10.3897/phytokeys.179.64750.figure2" httpUri="https://binary.pensoft.net/fig/556308" pageId="0" pageNumber="13">2</figureCitation>
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). It grows in thickets on tropical limestone mountains at elevation from 700 to 1100 m.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="13" type="notes">
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<paragraph pageId="0" pageNumber="13">Note.</paragraph>
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<paragraph pageId="0" pageNumber="13">
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In Flora Yunnanica,
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<bibRefCitation author="Fan, GS" editor="Wu, CY" journalOrPublisher="12. Science Press, Beijing" pageId="0" pageNumber="13" pagination="680 - 749" refId="B5" refString="Fan, GS, 2006. Rhamnaceae. In: Wu, CY, Ed., Flora Yunnanica, vol. 12. Science Press, Beijing: 680 - 749" title="Rhamnaceae." volumeTitle="Flora Yunnanica, vol." year="2006">Fan (2006)</bibRefCitation>
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reduced
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<taxonomicName authorityName="Y. L. Chen & P. K. Chou" authorityYear="1979" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="variety" species="thea" subSpecies="var." variety="cordiformis">Sageretia thea var. cordiformis</taxonomicName>
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to the synonym of
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordifolia" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordifolia</emphasis>
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</taxonomicName>
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(Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Type specimens of Sageretia cordifolia, S. cordiformis and S. thea A, B isotypes of S. cordifolia (A: P [P 01818867]; B: P [06765093]) C holotype of S. cordiformis (KUN [1207932]) D isotype of S. cordiformis (KUN [1207933]) E, F isotypes of S. thea (E: S [S 11 - 12914]; F: LD [1749752]). A, B and E, F obtained from GBIF, C, D from NOI (https: // noi. link /)." figureDoi="10.3897/phytokeys.179.64750.figure3" httpUri="https://binary.pensoft.net/fig/556309" pageId="0" pageNumber="13">3A, B</figureCitation>
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) with no justification given.
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordifolia" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordifolia</emphasis>
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</taxonomicName>
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occurs in Laos (Pakson) and factually resembles
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<taxonomicName authority="var thea" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var var. thea" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var" variety="thea">S. thea var thea</taxonomicName>
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. However,
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<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
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and
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordifolia" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordifolia</emphasis>
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</taxonomicName>
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differ in petiole length (1-3 mm in former vs. 4-8 mm in latter), leaf blade shape (cordate to ovate-orbicular vs. ovate-oblong to ovate-lanceolate) and size (1-3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-2 cm vs. 3.5-6
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-3 cm), and number of lateral veins (2-3 pairs vs. 3-5 pairs) (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of habitat and morphology among Sageretia cordifolia, S. cordiformis, and S. thea based on field observation, herbarium collections, and photo information obtained from CFH and PPBC." httpUri="http://table.plazi.org/id/F9B2EC65B52CA3E3FECEF80A3FCF6BC6" pageId="0" pageNumber="13" tableUuid="F9B2EC65B52CA3E3FECEF80A3FCF6BC6">1</tableCitation>
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). Hence, we disagree with
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<normalizedToken originalValue="Fan’s">Fan's</normalizedToken>
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treatment.
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</paragraph>
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<caption ID-Table-UUID="F9B2EC65B52CA3E3FECEF80A3FCF6BC6" httpUri="http://table.plazi.org/id/F9B2EC65B52CA3E3FECEF80A3FCF6BC6" pageId="0" pageNumber="13" start="Table 1" startId="T1">
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<paragraph pageId="0" pageNumber="13">
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<emphasis bold="true" pageId="0" pageNumber="13">Table 1.</emphasis>
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Comparison of habitat and morphology among
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<taxonomicName authorityName="Tardieu" authorityYear="1946" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordifolia" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">Sageretia cordifolia</emphasis>
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</taxonomicName>
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,
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
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</taxonomicName>
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, and
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea" order="Rosales" pageId="0" pageNumber="13" rank="species" species="thea">
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<emphasis italics="true" pageId="0" pageNumber="13">S. thea</emphasis>
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</taxonomicName>
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based on field observation, herbarium collections, and photo information obtained from CFH and PPBC.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="13">
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<table pageId="0" pageNumber="13">
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<tr pageId="0" pageNumber="13">
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<th colspan="1" isEmpty="true" pageId="0" pageNumber="13" rowspan="1">-</th>
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<th colspan="1" pageId="0" pageNumber="13" rowspan="1">
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordifolia" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordifolia">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordifolia</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="13" rowspan="1">
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
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<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="13" rowspan="1">
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<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea" order="Rosales" pageId="0" pageNumber="13" rank="species" species="thea">
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<emphasis italics="true" pageId="0" pageNumber="13">S. thea</emphasis>
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</taxonomicName>
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</th>
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</tr>
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<tr pageId="0" pageNumber="13">
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<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
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<emphasis bold="true" pageId="0" pageNumber="13">Habitat</emphasis>
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</td>
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<td colspan="1" pageId="0" pageNumber="13" rowspan="1">unknown</td>
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<td colspan="1" pageId="0" pageNumber="13" rowspan="1">limestone mountains</td>
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<td colspan="1" pageId="0" pageNumber="13" rowspan="1">hills or mountains</td>
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</tr>
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<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Branch color</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">gray</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">gray-brown to brownish</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">brownish</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Petiole length</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">4-8 mm</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">1-3 mm</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">2-7 mm</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Leaf blade shape</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">ovate-oblong to ovate-lanceolate, base cordate, apex acute to caudate-acuminate</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">cordate or ovate-orbicular, base cordate or subcordate, apex obtuse or rounded</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">elliptic, oblong, or ovate-elliptic, rarely ovate or nearly orbicular, base rounded or subcordate, apex acute, obtuse, or rounded</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Leaf blade size</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
3.5-6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.5-3 cm
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
1-3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.8-2 cm
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
2-4.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.7-2.5 cm
|
||
</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Leaf texture</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">leathery</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">leathery</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">paper</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Lateral veins</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">3-5 pairs</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">2-3 pairs</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">3-5 (-7) pairs</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="13">
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Rachis</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">12-13 cm</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">1.5-5 (-10) cm</td>
|
||
<td colspan="1" pageId="0" pageNumber="13" rowspan="1">2-12 cm</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="13">
|
||
Based on specimen examination and our field observations,
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
and the type variety (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Type specimens of Sageretia cordifolia, S. cordiformis and S. thea A, B isotypes of S. cordifolia (A: P [P 01818867]; B: P [06765093]) C holotype of S. cordiformis (KUN [1207932]) D isotype of S. cordiformis (KUN [1207933]) E, F isotypes of S. thea (E: S [S 11 - 12914]; F: LD [1749752]). A, B and E, F obtained from GBIF, C, D from NOI (https: // noi. link /)." figureDoi="10.3897/phytokeys.179.64750.figure3" httpUri="https://binary.pensoft.net/fig/556309" pageId="0" pageNumber="13">3E, F</figureCitation>
|
||
, Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Field photos of Sageretia cordiformis (A, B) and S. thea (C, D) A and C habit B and D fruiting branch and leaf blades A-C photographed by Y. Yang, D by X. X. Zhu." figureDoi="10.3897/phytokeys.179.64750.figure4" httpUri="https://binary.pensoft.net/fig/556310" pageId="0" pageNumber="13">4C, D</figureCitation>
|
||
) differ in petiole length (1-3 mm in
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
vs. 2-7 mm in type variety), leaf blade texture (leathery vs. papery), and number of lateral veins (2-3 pairs vs. 3-5 (-7) pairs). In fact,
|
||
<bibRefCitation author="Chen, YL" journalOrPublisher="Bulletin of Botanical Laboratory of North-East Forest Institute" pageId="0" pageNumber="13" pagination="73 - 94" refId="B1" refString="Chen, YL, Chou, PK, 1979. Materiae ad floram Rhamnacearum sinicarum. Bulletin of Botanical Laboratory of North-East Forest Institute 5: 73 - 94" title="Materiae ad floram Rhamnacearum sinicarum." volume="5" year="1979">Chen and Chou (1979)</bibRefCitation>
|
||
had clearly mentioned the sharp morphological distinctions between
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
and the type variety in the protologue. Furthermore, the results of molecular phylogenetic analyses based on five loci (ITS, ETS,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">psb</emphasis>
|
||
A-
|
||
<emphasis italics="true" pageId="0" pageNumber="13">trn</emphasis>
|
||
H,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">pet</emphasis>
|
||
A-
|
||
<emphasis italics="true" pageId="0" pageNumber="13">psb</emphasis>
|
||
J and
|
||
<emphasis italics="true" pageId="0" pageNumber="13">trn</emphasis>
|
||
L-
|
||
<emphasis italics="true" pageId="0" pageNumber="13">trn</emphasis>
|
||
F) in
|
||
<bibRefCitation DOI="https://doi.org/10.1093/botlinnean/boy077" author="Yang, Y" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="0" pageNumber="13" pagination="244 - 261" refId="B16" refString="Yang, Y, Chen, YS, Zhang, JW, Sun, L, Sun, H, 2019. Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae). Botanical Journal of the Linnean Society 189 (3): 244 - 261, DOI: https://doi.org/10.1093/botlinnean/boy077" title="Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae)." url="https://doi.org/10.1093/botlinnean/boy077" volume="189" year="2019">Yang et al. (2019)</bibRefCitation>
|
||
indicated the independent species status of
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
splitting from the type variety. In their study,
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
,
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. pycnophylla" order="Rosales" pageId="0" pageNumber="13" rank="species" species="pycnophylla">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. pycnophylla</emphasis>
|
||
</taxonomicName>
|
||
C.K.Schneid. and
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. yilinii" order="Rosales" pageId="0" pageNumber="13" rank="species" species="yilinii">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. yilinii</emphasis>
|
||
</taxonomicName>
|
||
G.S.Fan & S.K.Chen form a clade, while
|
||
<taxonomicName authority="var. thea" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. thea" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="thea">S. thea var. thea</taxonomicName>
|
||
is in a highly supported clade with
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. subcaudata" order="Rosales" pageId="0" pageNumber="13" rank="species" species="subcaudata">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. subcaudata</emphasis>
|
||
</taxonomicName>
|
||
C.K.Schneid. and
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. rugosa" order="Rosales" pageId="0" pageNumber="13" rank="species" species="rugosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. rugosa</emphasis>
|
||
</taxonomicName>
|
||
. Considering the broad discrepancies between
|
||
<taxonomicName authorityName="Yang & Peng & Sun" authorityYear="2021" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="cordiformis">S. thea var. cordiformis</taxonomicName>
|
||
and
|
||
<taxonomicName authority="var. thea" family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea subsp. var. var. thea" order="Rosales" pageId="0" pageNumber="13" rank="variety" species="thea" subSpecies="var." variety="thea">S. thea var. thea</taxonomicName>
|
||
in morphology and molecular phylogeny, we raise the former to
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. cordiformis" order="Rosales" pageId="0" pageNumber="13" rank="species" species="cordiformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. cordiformis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.179.64750.figure4" httpUri="https://binary.pensoft.net/fig/556310" pageId="0" pageNumber="13" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="13">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Figure 4.</emphasis>
|
||
Field photos of
|
||
<taxonomicName authorityName="Yi Yang, H. Sun & H. Peng, comb. &" authorityYear="2021" baseAuthorityName="Y. L. Chen & P. K. Chou" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordiformis" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordiformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Sageretia cordiformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="13">A, B</emphasis>
|
||
) and
|
||
<taxonomicName family="Rhamnaceae" kingdom="Plantae" lsidName="S. thea" order="Rosales" pageId="0" pageNumber="13" rank="species" species="thea">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S. thea</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="13">C, D</emphasis>
|
||
)
|
||
<emphasis bold="true" pageId="0" pageNumber="13">A</emphasis>
|
||
and
|
||
<emphasis bold="true" pageId="0" pageNumber="13">C</emphasis>
|
||
habit
|
||
<emphasis bold="true" pageId="0" pageNumber="13">B</emphasis>
|
||
and
|
||
<emphasis bold="true" pageId="0" pageNumber="13">D</emphasis>
|
||
fruiting branch and leaf blades
|
||
<emphasis bold="true" pageId="0" pageNumber="13">A-C</emphasis>
|
||
photographed by Y. Yang,
|
||
<emphasis bold="true" pageId="0" pageNumber="13">D</emphasis>
|
||
by X.X. Zhu.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="13" type="specimens of sageretia cordifolia examined">
|
||
<paragraph pageId="0" pageNumber="13">
|
||
Specimens of
|
||
<taxonomicName authorityName="Tardieu" authorityYear="1946" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordifolia" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordifolia">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Sageretia cordifolia</emphasis>
|
||
</taxonomicName>
|
||
examined.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="13">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Laos</emphasis>
|
||
.
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Pakson</emphasis>
|
||
, 1200 m, Nov 1938,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">E. Poilane 28562</emphasis>
|
||
(holotype P [01818865]; isotypes P [P01818866, P01818867, P06765093]).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="13" type="additional specimens of sageretia cordiformis examined">
|
||
<paragraph pageId="0" pageNumber="13">
|
||
Additional specimens of
|
||
<taxonomicName authorityName="Yi Yang, H. Sun & H. Peng, comb. &" authorityYear="2021" baseAuthorityName="Y. L. Chen & P. K. Chou" class="Magnoliopsida" family="Rhamnaceae" genus="Sageretia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sageretia cordiformis" order="Rosales" pageId="0" pageNumber="13" phylum="Tracheophyta" rank="species" species="cordiformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Sageretia cordiformis</emphasis>
|
||
</taxonomicName>
|
||
examined.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="13">
|
||
<emphasis bold="true" pageId="0" pageNumber="13">China</emphasis>
|
||
.
|
||
<emphasis bold="true" pageId="0" pageNumber="13">Yunnan</emphasis>
|
||
: Mengla County, 25 Sept 1961,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Y.H. Li 3588</emphasis>
|
||
(KUN); 1200 m, 24 Nov 1975,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Y.H. Li 20033</emphasis>
|
||
(HITBC); 1000 m, 9 Sept 1959,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S.C. Pei 10046</emphasis>
|
||
(HITBC); 10 Sept 2004,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">S.S. Zhou 2084</emphasis>
|
||
(PE); ca. 1000 m, 21 Dec 2015,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Y. Yang & Z. Chen xsbn03</emphasis>
|
||
(KUN); ca. 1000 m, 24 Dec 2016,
|
||
<emphasis italics="true" pageId="0" pageNumber="13">Y. Yang & L.S. Qian OYY001</emphasis>
|
||
(KUN).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |