treatments-xml/data/EC/01/15/EC01155AF8FC5F069EE687AEED57D257.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.140.47995" ID-GBIF-Dataset="aa658969-8763-400e-9a58-bb31ac0a75e2" ID-PMC="PMC7052036" ID-Pensoft-Pub="1314-2003-140-23" ID-Pensoft-UUID="2EC6997063D85CE19050D6173C72A97A" ID-PubMed="32148429" ModsDocID="1314-2003-140-23" checkinTime="1582662179242" checkinUser="pensoft" docAuthor="Mou, Cun, Wu *, Yu, Xiang, Liang, Xiang, Xiao-Mei &amp; Zhang, Dai-Gui" docDate="2020" docId="EC01155AF8FC5F069EE687AEED57D257" docLanguage="en" docName="PhytoKeys 140: 23-32" docOrigin="PhytoKeys 140" docSource="http://dx.doi.org/10.3897/phytokeys.140.47995" docTitle="Lysimachia xiangxiensis D. G. Zhang &amp; C. Mou, Y. Wu 2020, sp. nov." docType="treatment" docVersion="4" id="2EC6997063D85CE19050D6173C72A97A" lastPageNumber="23" masterDocId="2EC6997063D85CE19050D6173C72A97A" masterDocTitle="Lysimachia xiangxiensis (Primulaceae), a new species from limestone area in Hunan Province, central China" masterLastPageNumber="32" masterPageNumber="23" pageNumber="23" updateTime="1668139659594" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Lysimachia xiangxiensis (Primulaceae), a new species from limestone area in Hunan Province, central China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Mou, Cun</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wu *, Yu</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Xiang, Liang</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Xiang, Xiao-Mei</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Dai-Gui</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
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<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>140</mods:number>
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<mods:extent unit="page">
<mods:start>23</mods:start>
<mods:end>32</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.140.47995</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.140.47995</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-140-23</mods:identifier>
<mods:identifier type="Pensoft-UUID">2EC6997063D85CE19050D6173C72A97A</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="162267162" LSID="urn:lsid:plazi:treatment:EC01155AF8FC5F069EE687AEED57D257" httpUri="http://treatment.plazi.org/id/EC01155AF8FC5F069EE687AEED57D257" lastPageNumber="23" pageId="0" pageNumber="23">
<subSubSection pageId="0" pageNumber="23" type="nomenclature">
<paragraph pageId="0" pageNumber="23">
<taxonomicName LSID="EC01155A-F8FC-5F06-9EE6-87AEED57D257" authority="D. G. Zhang &amp; C. Mou, Y. Wu" authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis" status="sp. nov.">Lysimachia xiangxiensis D.G.Zhang &amp; C.Mou, Y.Wu</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="23">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Lysimachia xiangxiensis sp. nov. in the wild A habitat (dry limestone cliff) B stems drooping on the cliff." figureDoi="10.3897/phytokeys.140.47995.figure2" httpUri="https://binary.pensoft.net/fig/382142" pageId="0" pageNumber="23">Figure 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Lysimachia xiangxiensis sp. nov. in the field A corolla opened, showing the suborbicular lobes B flower (lateral view), showing the lanceolate calyx lobes indistinctly costate C proximal stems and underground part, showing stems clustered, rhizome, sparse fibrous roots, and 1 or 2 pairs of scalelike basal leaves D longitudinal section of flower, showing filaments connate basally into a tube E pistil, showing strigillose hairs on apex of ovary and base of style F dehiscent capsule G plant in fruiting, showing the recurved pedicels H plant in flowering, showing the solitary flowers in axils of upper leaves I plant in flowering, showing the reduced basal leaves J papillate seeds" figureDoi="10.3897/phytokeys.140.47995.figure3" httpUri="https://binary.pensoft.net/fig/382143" pageId="0" pageNumber="23">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Lysimachia xiangxiensis sp. nov. A upper stem leaf (abaxial surface), showing revolute margins B lower stem leaf (adaxial surface) C portion of a leaf (abaxial surface), showing the revolute margins and strigillose midrib D plant in flowering E corolla lobes F pistil." figureDoi="10.3897/phytokeys.140.47995.figure4" httpUri="https://binary.pensoft.net/fig/382144" pageId="0" pageNumber="23">, 4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="materials_examined">
<paragraph pageId="0" pageNumber="23">Type.</paragraph>
<paragraph pageId="0" pageNumber="23">
CHINA. Hunan Province, Huayuan County, Buchou Town, Da-long-dong, cliff of a valley, 
<geoCoordinate degrees="28" direction="north" minutes="19" orientation="latitude" precision="1" seconds="06.42" value="28.31845">28°19'06.42&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="109" direction="east" minutes="30" orientation="longitude" precision="1" seconds="03.22" value="109.50089">109°30'03.22&quot;E</geoCoordinate>
, alt. 295 m, 26 August 2019, D. G. Zhang 0826075 (holotype: JIU!; isotype: JIU!).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="diagnosis">
<paragraph pageId="0" pageNumber="23">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="23">
The new species differs from 
<taxonomicName lsidName="L. melampyroides" pageId="0" pageNumber="23" rank="species" species="melampyroides">
<emphasis italics="true" pageId="0" pageNumber="23">L. melampyroides</emphasis>
</taxonomicName>
by the succulent leaves; the creeping or drooping stems (15-25 cm long); and the suborbicular to broadly elliptic corolla lobes.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="description">
<paragraph pageId="0" pageNumber="23">Description.</paragraph>
<paragraph pageId="0" pageNumber="23">
Terrestrial, perennial herbs. Rhizome brown, reduced to a small tuber or rarely creeping, with sparse fibrous roots. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Stems</emphasis>
creeping or drooping on cliffs, 15-25 cm long, clustered, branched at base, unbranched or rarely branched from the middle, terete, purple-red, densely strigillose, the internodes usually 3-7 cm long. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Leaves</emphasis>
petiolate, opposite. Petioles 5-7 mm long, with a furrow on adaxial side, green or purple-red, strigillose. Leaf blade succulent; blade of lower leaves rhomboid-ovate to ovate, with 1 or 2 pairs of basal leaves scalelike (much smaller); blade of upper leaves ovate to elliptic-lanceolate, 2-5.5 cm 
<normalizedToken originalValue="×">x</normalizedToken>
1-2.3 cm, base cuneate, apex acuminate or acute to subobtuse, margin entire and revolute, adaxially dark green, shiny, subglabrous, abaxially purple-red (in arid places) or light green (in moist places), densely strigillose along the midrib, not glandular on both surfaces; secondary veins 3-4 pairs, blurry or invisible adaxially, slightly raising abaxially, veinlets invisible. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Flowers</emphasis>
bisexually, solitary in axils of upper leaves, occasionally in terminal racemes with bractlike leaves. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Pedicels</emphasis>
1.5-3 cm long, gradually reduced toward stem apex, purple-red or light purple-red, densely strigillose, recurved in fruit. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Calyx</emphasis>
lobes 5, rarely 6, persistent, lanceolate with indistinct costa, 6-8 mm 
<normalizedToken originalValue="×">x</normalizedToken>
1.5-2 mm, apex acuminate-subulate, inside glabrous and with 3-4 veins, outside purple-red or green, densely strigillose. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Corolla</emphasis>
yellow, tube 1-2 mm long, actinomorphic, contorted; lobes 5, 7-9 mm 
<normalizedToken originalValue="×">x</normalizedToken>
7-9 mm, suborbicular to broadly elliptic, apex cuspidate or rounded, erose above the middle. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Stamens</emphasis>
5, yellow, opposite to corolla lobes; 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">filaments</emphasis>
connate basally into a tube ca. 2.5 mm high, free parts 3.5-4.5 mm; 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">anthers</emphasis>
ca. 2 mm long, dorsifixed, opening by lateral slits. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Style</emphasis>
ca. 6 mm long, apex slightly expanded, strigillose on lower part. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">Ovary</emphasis>
cylindrical, ca. 1.5 cm in diam., strigillose on apex, superior. Capsule brown, subglobose, 3-4 mm in diam., densely strigillose, dehiscing by valves. Seeds small, black, angular, papillate.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="phenology">
<paragraph pageId="0" pageNumber="23">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="23">Flowering May-June, fruiting July-August.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="distribution">
<paragraph pageId="0" pageNumber="23">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="23">
This new species is currently known from Huayuan County and Jishou City in western Hunan Province, central China. It usually grows on limestone cliffs in valleys (Figure 
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Lysimachia xiangxiensis sp. nov. in the wild A habitat (dry limestone cliff) B stems drooping on the cliff." figureDoi="10.3897/phytokeys.140.47995.figure2" httpUri="https://binary.pensoft.net/fig/382142" pageId="0" pageNumber="23">2</figureCitation>
), and is associated with e.g. 
<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Eriophorum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Eriophorum comosum" order="Poales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="comosum">
<emphasis italics="true" pageId="0" pageNumber="23">Eriophorum comosum</emphasis>
</taxonomicName>
(Wallich) Nees in Wight, 
<taxonomicName class="Polypodiopsida" family="Pteridaceae" genus="Pteris" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pteris vittata" order="Polypodiales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="vittata">
<emphasis italics="true" pageId="0" pageNumber="23">Pteris vittata</emphasis>
</taxonomicName>
Linnaeus, 
<taxonomicName authorityName="Bak" authorityYear="1888" class="Polypodiopsida" family="Pteridaceae" genus="Pteris" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pteris deltodon" order="Polypodiales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="deltodon">
<emphasis italics="true" pageId="0" pageNumber="23">Pteris deltodon</emphasis>
</taxonomicName>
Baker, and 
<taxonomicName class="Polypodiopsida" family="Dryopteridaceae" genus="Dryopteris" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dryopteris" order="Polypodiales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="23">Dryopteris</emphasis>
</taxonomicName>
sp.
</paragraph>
<caption doi="10.3897/phytokeys.140.47995.figure2" httpUri="https://binary.pensoft.net/fig/382142" pageId="0" pageNumber="23" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 2.</emphasis>
<taxonomicName authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis">
<emphasis italics="true" pageId="0" pageNumber="23">Lysimachia xiangxiensis</emphasis>
</taxonomicName>
sp. nov. in the wild 
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
habitat (dry limestone cliff) 
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
stems drooping on the cliff.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.140.47995.figure3" httpUri="https://binary.pensoft.net/fig/382143" pageId="0" pageNumber="23" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 3.</emphasis>
<taxonomicName authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis">
<emphasis italics="true" pageId="0" pageNumber="23">Lysimachia xiangxiensis</emphasis>
</taxonomicName>
sp. nov. in the field 
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
corolla opened, showing the suborbicular lobes 
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
flower (lateral view), showing the lanceolate calyx lobes indistinctly costate 
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
proximal stems and underground part, showing stems clustered, rhizome, sparse fibrous roots, and 1 or 2 pairs of scalelike basal leaves 
<emphasis bold="true" pageId="0" pageNumber="23">D</emphasis>
longitudinal section of flower, showing filaments connate basally into a tube 
<emphasis bold="true" pageId="0" pageNumber="23">E</emphasis>
pistil, showing strigillose hairs on apex of ovary and base of style 
<emphasis bold="true" pageId="0" pageNumber="23">F</emphasis>
dehiscent capsule 
<emphasis bold="true" pageId="0" pageNumber="23">G</emphasis>
plant in fruiting, showing the recurved pedicels 
<emphasis bold="true" pageId="0" pageNumber="23">H</emphasis>
plant in 
<normalizedToken originalValue="flowering">flowering</normalizedToken>
, showing the solitary flowers in axils of upper leaves 
<emphasis bold="true" pageId="0" pageNumber="23">I</emphasis>
plant in 
<normalizedToken originalValue="flowering">flowering</normalizedToken>
, showing the reduced basal leaves 
<emphasis bold="true" pageId="0" pageNumber="23">J</emphasis>
papillate seeds
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.140.47995.figure4" httpUri="https://binary.pensoft.net/fig/382144" pageId="0" pageNumber="23" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 4.</emphasis>
<taxonomicName authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis">
<emphasis italics="true" pageId="0" pageNumber="23">Lysimachia xiangxiensis</emphasis>
</taxonomicName>
sp. nov. 
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
upper stem leaf (abaxial surface), showing revolute margins 
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
lower stem leaf (adaxial surface) 
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
portion of a leaf (abaxial surface), showing the revolute margins and strigillose midrib 
<emphasis bold="true" pageId="0" pageNumber="23">D</emphasis>
plant in 
<normalizedToken originalValue="flowering">flowering</normalizedToken>
<emphasis bold="true" pageId="0" pageNumber="23">E</emphasis>
corolla lobes 
<emphasis bold="true" pageId="0" pageNumber="23">F</emphasis>
pistil.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="etymology">
<paragraph pageId="0" pageNumber="23">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="23">
The specific epithet &quot; 
<emphasis italics="true" pageId="0" pageNumber="23">xiangxiensis</emphasis>
&quot;, literally meaning western Hunan, refers to the Xiangxi Tujia and Miao Autonomous Prefecture in central China, to which Huayuan County and Jishou City belong. The Chinese name of the 
<taxonomicName authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis">
<emphasis italics="true" pageId="0" pageNumber="23">Lysimachia xiangxiensis</emphasis>
</taxonomicName>
is xiang xi guo lu huang in Pinyin.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="conservation status">
<paragraph pageId="0" pageNumber="23">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="23">
<taxonomicName authorityName="D. G. Zhang &amp; C. Mou, Y. Wu" authorityYear="2020" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia xiangxiensis" order="Ericales" pageId="0" pageNumber="23" phylum="Tracheophyta" rank="species" species="xiangxiensis">
<emphasis italics="true" pageId="0" pageNumber="23">Lysimachia xiangxiensis</emphasis>
</taxonomicName>
usually grows on limestone cliffs in valleys so we suggest its placement in the Data Deficient category of 
<bibRefCitation author="IUCN" journalOrPublisher="Bioinformatics" pageId="0" pageNumber="23" publicationUrl="https://www.iucnredlist.org/resources/redlistguidelines" refId="B9" refString="IUCN, 2017. Guidelines for using the IUCN red list categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee. https://www.iucnredlist.org/resources/redlistguidelines" title="Guidelines for using the IUCN red list categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee." url="https://www.iucnredlist.org/resources/redlistguidelines" year="2017">IUCN (2017)</bibRefCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="additional collection">
<paragraph pageId="0" pageNumber="23">Additional collection.</paragraph>
<paragraph pageId="0" pageNumber="23">CHINA. Hunan Province, Jishou City, Aizhai Town, National Forest Park, cliff of a valley, 31 May 2019, Y. Wu 0531001(paratype, JIU!).</paragraph>
</subSubSection>
</treatment>
</document>