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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.221.97495" ID-Pensoft-Pub="1314-2003-221-117" ID-Pensoft-UUID="D8E72A6A60E1514EBF2F3D7834E33FB2" ModsDocID="1314-2003-221-117" checkinTime="1678494704727" checkinUser="pensoft" docAuthor="Huang, Yan-Shuang, Meng, Kai-Kai, Sun, Yuan-Yuan, Chen, Zai-Xiong &amp; Fan, Qiang" docDate="2023" docId="355849659C8A516F823A890BDDE1C6C8" docLanguage="en" docName="PhytoKeys 221: 117-129" docOrigin="PhytoKeys 221" docPubDate="2023-03-10" docSource="http://dx.doi.org/10.3897/phytokeys.221.97495" docTitle="Sedum jinglanii Yan S. Huang &amp; Q. Fan 2023, sp. nov." docType="treatment" docVersion="1" id="D8E72A6A60E1514EBF2F3D7834E33FB2" lastPageNumber="117" masterDocId="D8E72A6A60E1514EBF2F3D7834E33FB2" masterDocTitle="A new species of Sedum (Crassulaceae) from Mount Danxia in Guangdong, China" masterLastPageNumber="129" masterPageNumber="117" pageNumber="117" updateTime="1678494704727" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Sedum (Crassulaceae) from Mount Danxia in Guangdong, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Huang, Yan-Shuang</mods:namePart>
<mods:affiliation>State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Meng, Kai-Kai</mods:namePart>
<mods:affiliation>State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sun, Yuan-Yuan</mods:namePart>
<mods:affiliation>State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Zai-Xiong</mods:namePart>
<mods:affiliation>School of Ecology, Sun Yat-sen University, Shenzhen 518107, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Fan, Qiang</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4254-6936</mods:nameIdentifier>
<mods:affiliation>State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
<mods:nameIdentifier type="email">fanqiang@mail.sysu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-03-10</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>221</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>117</mods:start>
<mods:end>129</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.221.97495</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.221.97495</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-221-117</mods:identifier>
<mods:identifier type="Pensoft-UUID">D8E72A6A60E1514EBF2F3D7834E33FB2</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:355849659C8A516F823A890BDDE1C6C8" httpUri="http://treatment.plazi.org/id/355849659C8A516F823A890BDDE1C6C8" lastPageNumber="117" pageId="0" pageNumber="117">
<subSubSection pageId="0" pageNumber="117" type="nomenclature">
<paragraph pageId="0" pageNumber="117">
<taxonomicName LSID="35584965-9C8A-516F-823A-890BDDE1C6C8" authority="Yan S. Huang &amp; Q. Fan" authorityName="Yan S. Huang &amp; Q. Fan" authorityYear="2023" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum jinglanii" order="Saxifragales" pageId="0" pageNumber="117" phylum="Tracheophyta" rank="species" species="jinglanii" status="sp. nov.">Sedum jinglanii Yan S.Huang &amp; Q.Fan</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="117">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="materials_examined">
<paragraph pageId="0" pageNumber="117">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="117">
<materialsCitation collectingDate="2021-04-03" collectorName="Y. S. Huang" country="China" county="Renhua County" elevation="520" latitude="25.0" location="Bazhai" longLatPrecision="1248" longitude="113.65" municipality="Mount Danxia" specimenCount="1" stateProvince="Guangdong Province" typeStatus="holotype">
<collectingCountry name="China">China</collectingCountry>
.
<collectingRegion country="China" name="Guangdong">Guangdong Province</collectingRegion>
,
<collectingCounty>Renhua County</collectingCounty>
,
<collectingMunicipality>Mount Danxia</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:355849659C8A516F823A890BDDE1C6C8:00731218FB39C05E673E5D4E69A1C9E2" country="China" county="Renhua County" latitude="25.0" longLatPrecision="1248" longitude="113.65" municipality="Mount Danxia" name="Bazhai" stateProvince="Guangdong Province">Bazhai</location>
, in the cliff of steep slopes,
<geoCoordinate degrees="25" direction="north" minutes="00" orientation="latitude" precision="925" value="25.0">25°00'N</geoCoordinate>
,
<geoCoordinate degrees="113" direction="east" minutes="39" orientation="longitude" precision="925" value="113.65">113°39'E</geoCoordinate>
,
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.2" unit="m" value="520.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.2" unit="m" value="520.0">520 m</quantity>
a.s.l.
</elevation>
,
<collectingDate value="2021-04-03">3 April 2021</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="117">
<collectorName>Y. S. Huang</collectorName>
21040301
</emphasis>
(
<typeStatus>holotype</typeStatus>
: SYS; isotype: SYS) (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sedum jinglanii sp. nov. A habit B flower with sepals, petals, stamens and carpels C petals and stamens D sepal E leaves. Illustration by Yuan-Yuan Sun based on living field-collected material (Y. S. Huang 21040301)." figureDoi="10.3897/phytokeys.221.97495.figure2" httpUri="https://binary.pensoft.net/fig/822432" pageId="0" pageNumber="117">2</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Sedum jinglanii sp. nov. A habit B flower, front view, showing brownish-red anthers C carpels and a nectar scale (red arrow) D abaxial leaf surface E young unripe fruits F young sterile individuals A, B, D photographed by Qiang Fan in the field (Pingtouzhai, 6 April 2022, Q. Fan et al., DNPC 1953) C photographed by Min Lin in the lab (7 April 2022, Q. Fan et al., DNPC 1953) E, F photographed by Yan-Shuang Huang (Bazhai, 3 April 2021, Y. S. Huang 21040301)." figureDoi="10.3897/phytokeys.221.97495.figure3" httpUri="https://binary.pensoft.net/fig/822433" pageId="0" pageNumber="117">3</figureCitation>
)
</materialsCitation>
.
</paragraph>
<caption doi="10.3897/phytokeys.221.97495.figure2" httpUri="https://binary.pensoft.net/fig/822432" pageId="0" pageNumber="117" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="117">
<emphasis bold="true" pageId="0" pageNumber="117">Figure 2.</emphasis>
<taxonomicName authorityName="Yan S. Huang &amp; Q. Fan" authorityYear="2023" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum jinglanii" order="Saxifragales" pageId="0" pageNumber="117" phylum="Tracheophyta" rank="species" species="jinglanii">
<emphasis italics="true" pageId="0" pageNumber="117">Sedum jinglanii</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="117">A</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="117">B</emphasis>
flower with sepals, petals, stamens and carpels
<emphasis bold="true" pageId="0" pageNumber="117">C</emphasis>
petals and stamens
<emphasis bold="true" pageId="0" pageNumber="117">D</emphasis>
sepal
<emphasis bold="true" pageId="0" pageNumber="117">E</emphasis>
leaves. Illustration by Yuan-Yuan Sun based on living field-collected material (
<emphasis italics="true" pageId="0" pageNumber="117">Y. S. Huang 21040301</emphasis>
).
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.221.97495.figure3" httpUri="https://binary.pensoft.net/fig/822433" pageId="0" pageNumber="117" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="117">
<emphasis bold="true" pageId="0" pageNumber="117">Figure 3.</emphasis>
<taxonomicName authorityName="Yan S. Huang &amp; Q. Fan" authorityYear="2023" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum jinglanii" order="Saxifragales" pageId="0" pageNumber="117" phylum="Tracheophyta" rank="species" species="jinglanii">
<emphasis italics="true" pageId="0" pageNumber="117">Sedum jinglanii</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="117">A</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="117">B</emphasis>
flower, front view, showing brownish-red anthers
<emphasis bold="true" pageId="0" pageNumber="117">C</emphasis>
carpels and a nectar scale (red arrow)
<emphasis bold="true" pageId="0" pageNumber="117">D</emphasis>
abaxial leaf surface
<emphasis bold="true" pageId="0" pageNumber="117">E</emphasis>
young unripe fruits
<emphasis bold="true" pageId="0" pageNumber="117">F</emphasis>
young sterile individuals
<emphasis bold="true" pageId="0" pageNumber="117">A, B, D</emphasis>
photographed by Qiang Fan in the field (Pingtouzhai,
<date value="2022-04-06">6 April 2022</date>
,
<emphasis italics="true" pageId="0" pageNumber="117">Q. Fan et al.</emphasis>
,
<emphasis italics="true" pageId="0" pageNumber="117">DNPC 1953</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="117">C</emphasis>
photographed by Min Lin in the lab (
<date value="2022-04-07">7 April 2022</date>
,
<emphasis italics="true" pageId="0" pageNumber="117">Q. Fan et al.</emphasis>
,
<emphasis italics="true" pageId="0" pageNumber="117">DNPC 1953</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="117">E, F</emphasis>
photographed by Yan-Shuang Huang (Bazhai,
<date value="2021-04-03">3 April 2021</date>
,
<emphasis italics="true" pageId="0" pageNumber="117">Y. S. Huang 21040301</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="diagnosis">
<paragraph pageId="0" pageNumber="117">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="117">
This new species is similar to
<taxonomicName lsidName="S. alfredi" pageId="0" pageNumber="117" rank="species" species="alfredi">
<emphasis italics="true" pageId="0" pageNumber="117">S. alfredi</emphasis>
</taxonomicName>
, but differs from the latter in its opposite leaves (vs. alternate leaves), its usually wider leaves (0.8-2.9
<normalizedToken originalValue="×">x</normalizedToken>
0.4-1.2 cm vs. 1.2-3.0
<normalizedToken originalValue="×">x</normalizedToken>
0.2-0.6 cm), usually shorter petals (3.4-4.5 mm vs. 4-6 mm), shorter nectar scales (0.4-0.5 mm vs. ca. 0.5-1 mm), and shorter carpels (1.5-2.6 mm vs. 4-5 mm). Although the leaves of this new species and of
<taxonomicName lsidName="S. emarginatum" pageId="0" pageNumber="117" rank="species" species="emarginatum">
<emphasis italics="true" pageId="0" pageNumber="117">S. emarginatum</emphasis>
</taxonomicName>
are opposite, it can be easily distinguished from the latter by its short, erect or ascending rhizomes (vs. long and prostrate rhizomes), shorter petals (3.4-4.5 mm vs. 6-8 mm) and shorter carpels (1.5-2.6 mm vs. 4-5 mm).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="description">
<paragraph pageId="0" pageNumber="117">Description.</paragraph>
<paragraph pageId="0" pageNumber="117">
Fleshy herbs, perennial; stems glabrous, greenish, often with small reddish dots thus appearing more or less reddish, ascending; leaves opposite, usually deciduous, crowded distally on the stem, succulent; leaf blade spatulate or obovate, 8-29 mm long, 4-12 mm wide, base narrowly cuneate and spurred, apex obtuse and sometimes emarginate; inflorescence in dense terminal cymes, usually two to four branched; bracts leaflike, 1.7-2.4 mm long, 0.7-1.1 mm wide; flowers usually sessile, rarely with short pedicels to 0.8 mm long, unequally 5-merous; sepals green, linear-spatulate, 2-3.1 mm
<normalizedToken originalValue="×">x</normalizedToken>
0.7-1.4 mm, base shortly spurred; petals yellow, lanceolate to lanceolate-oblong, 3.4-4.5 mm
<normalizedToken originalValue="×">x</normalizedToken>
0.8-1.1 mm, base connate for 0.1-0.2 mm, apex mucronate; stamens 10, yellow, filiform, arranged in 2 whorls; antesepalous ones 3.2-3.3 mm, antepetalous ones 2.2-2.6 mm; anthers brownish red, long ellipsoid. Nectar scales yellow green, spatulate-quadrangular, 0.4-0.5
<normalizedToken originalValue="×">x</normalizedToken>
0.2-0.3 mm, apex obtusely truncate. Carpels yellow green, erect, ovoid-lanceolate, 1.5-2.6 mm long, 0.6-0.9 mm wide, adaxially gibbous, base shortly connate; styles 0.6-0.9 mm long. Follicles yellowish, obliquely divergent. Seeds numerous, brown, oblong, 0.5-0.6 mm, papillate.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="phenology">
<paragraph pageId="0" pageNumber="117">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="117">Flowering from April to May. Fruiting from June to August.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="etymology">
<paragraph pageId="0" pageNumber="117">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="117">
<taxonomicName authorityName="Yan S. Huang &amp; Q. Fan" authorityYear="2023" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum jinglanii" order="Saxifragales" pageId="0" pageNumber="117" phylum="Tracheophyta" rank="species" species="jinglanii">
<emphasis italics="true" pageId="0" pageNumber="117">Sedum jinglanii</emphasis>
</taxonomicName>
is named after Prof. Jing-Lan Feng (1898-1976), an academician of the Chinese Academy of Sciences and one of the founders of mineralogy in China. In 1928, he discovered and named the red beds and related strata in North Guangdong as &quot;Danxia Formation&quot; for the first time (
<bibRefCitation DOI="https://doi.org/10.1007/978-981-13-5959-0" author="Peng, H" journalOrPublisher="Higher Education Press, Beijing" pageId="0" pageNumber="117" refId="B25" refString="Peng, H, 2020. China Danxia. Higher Education Press, Beijing, DOI: https://doi.org/10.1007/978-981-13-5959-0" title="China Danxia." url="https://doi.org/10.1007/978-981-13-5959-0" year="2020">Peng 2020</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="distribution">
<paragraph pageId="0" pageNumber="117">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="117">Presently, this new species is only known from the type locality, Mount Danxia, Renhua County, Guangdong Province, China. It grows on the cliff of steep slopes at altitudes of 200-550 m a.s.l.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="conservation status">
<paragraph pageId="0" pageNumber="117">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="117">
Only five populations were found with no more than 1,000 mature individuals. Thus, the conservation status could be considered as Vulnerable (VU; D1), according to the IUCN Red List Criteria (
<bibRefCitation author="Ito, T" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="117" publicationUrl="https://www.iucnredlist.org/resources/redlistguidelines" refId="B12" refString="2022. . https://www.iucnredlist.org/resources/redlistguidelines" url="https://www.iucnredlist.org/resources/redlistguidelines" year="2022">IUCN Standards and Petitions Subcommittee 2022</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="117" type="materials_examined">
<paragraph pageId="0" pageNumber="117">Additional specimens examined</paragraph>
<paragraph pageId="0" pageNumber="117">
<emphasis bold="true" pageId="0" pageNumber="117">
(
<typeStatus>paratypes</typeStatus>
).
</emphasis>
<materialsCitation collectingDate="2022-04-06" collectingDateMax="2022-12-27" collectingDateMin="2022-04-06" collectorName="Q. Fan, Yanyan" country="China" county="Renhua County" elevation="536" latitude="25.033333" location="Pingtouzhai" longLatPrecision="1248" longitude="113.61667" municipality="Mount Danxia" specimenCount="1" stateProvince="Guangdong">
<collectingCountry name="China">China</collectingCountry>
.
<collectingRegion country="China" name="Guangdong">Guangdong</collectingRegion>
:
<collectingCounty>Renhua County</collectingCounty>
,
<collectingMunicipality>Mount Danxia</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:355849659C8A516F823A890BDDE1C6C8:5580D747437479683F5AC98C78A1C6E8" country="China" county="Renhua County" latitude="25.033333" longLatPrecision="1248" longitude="113.61667" municipality="Mount Danxia" name="Pingtouzhai" stateProvince="Guangdong">Pingtouzhai</location>
,
<geoCoordinate degrees="25" direction="north" minutes="00" orientation="latitude" precision="925" value="25.0">25°00'N</geoCoordinate>
,
<geoCoordinate degrees="113" direction="east" minutes="37" orientation="longitude" precision="925" value="113.61667">113°37'E</geoCoordinate>
,
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.36" unit="m" value="536.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.36" unit="m" value="536.0">536 m</quantity>
a.s.l.
</elevation>
,
<collectingDate value="2022-04-06">6 April 2022</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="117">
<collectorName>Q. Fan</collectorName>
et al.
</emphasis>
,
<emphasis italics="true" pageId="0" pageNumber="117">DNPC 1953</emphasis>
(SYS);
<location LSID="urn:lsid:plazi:treatment:355849659C8A516F823A890BDDE1C6C8:2E75F2F2375AA4947FDE13A13951137D" country="China" county="Renhua County" latitude="25.033333" longLatPrecision="1248" longitude="113.61667" municipality="Mount Danxia" name="Renhua County" stateProvince="Guangdong">Renhua County</location>
,
<location LSID="urn:lsid:plazi:treatment:355849659C8A516F823A890BDDE1C6C8:3005D1747052568756E44F4E6A9B28AA" country="China" county="Renhua County" latitude="25.033333" longLatPrecision="1248" longitude="113.61667" municipality="Mount Danxia" name="Mount Danxia" stateProvince="Guangdong">Mount Danxia</location>
,
<collectorName>Yanyan</collectorName>
,
<geoCoordinate degrees="25" direction="north" minutes="02" orientation="latitude" precision="925" value="25.033333">25°02'N</geoCoordinate>
, 113°61'E,
<elevation metricMagnitude="2" metricUnit="m" metricValue="2.63" unit="m" value="263.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="2.63" unit="m" value="263.0">263 m</quantity>
a.s.l.
</elevation>
,
<collectingDate value="2022-12-27">27 December 2022</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="117">
<collectorName>Q. Fan</collectorName>
et al. DNPC 2873
</emphasis>
(SYS)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>