245 lines
17 KiB
XML
245 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.199.81292" ID-GBIF-Dataset="7a99893c-3eaf-4348-ae89-cd5fa21ce14e" ID-Pensoft-Pub="1314-2003-199-113" ID-Pensoft-UUID="1F73F6549FA75C5DBD7080DC0B852878" ModsDocID="1314-2003-199-113" checkinTime="1654860100698" checkinUser="pensoft" docAuthor="Lin, Chen-Xue, Xu, Guo-Liang, Jin, Zhi-Fang, Liao, Wen-Bo & Xu, Ke-Wang" docDate="2022" docId="C3E1B79CC861519E86F9714DA33A46C3" docLanguage="en" docName="PhytoKeys 199: 113-127" docOrigin="PhytoKeys 199" docPubDate="2022-06-09" docSource="http://dx.doi.org/10.3897/phytokeys.199.81292" docTitle="Asplenium jiulianshanense K. W. Xu & G. L. Xu 2022, sp. nov." docType="treatment" docVersion="2" id="1F73F6549FA75C5DBD7080DC0B852878" lastPageNumber="113" masterDocId="1F73F6549FA75C5DBD7080DC0B852878" masterDocTitle="Molecular, chromosomal, and morphological evidence reveals a new allotetraploid fern species of Asplenium (Aspleniaceae) from southern Jiangxi, China" masterLastPageNumber="127" masterPageNumber="113" pageNumber="113" updateTime="1654860851995" 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>Molecular, chromosomal, and morphological evidence reveals a new allotetraploid fern species of Asplenium (Aspleniaceae) from southern Jiangxi, 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>Lin, Chen-Xue</mods:namePart>
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<mods:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 510275, 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>Xu, Guo-Liang</mods:namePart>
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<mods:affiliation>Jiulianshan National Nature Reserve Administrative Bureau, Longnan, 341700, 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>Jin, Zhi-Fang</mods:namePart>
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<mods:affiliation>Jiulianshan National Nature Reserve Administrative Bureau, Longnan, 341700, 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>Liao, Wen-Bo</mods:namePart>
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<mods:affiliation>State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China</mods:affiliation>
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<mods:nameIdentifier type="email">lsslwb@mail.sysu.edu.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>Xu, Ke-Wang</mods:namePart>
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<mods:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 510275, China</mods:affiliation>
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<mods:nameIdentifier type="email">xukw10@njfu.edu.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>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-06-09</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>199</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>113</mods:start>
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<mods:end>127</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.199.81292</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.199.81292</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-199-113</mods:identifier>
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<mods:identifier type="Pensoft-UUID">1F73F6549FA75C5DBD7080DC0B852878</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:C3E1B79CC861519E86F9714DA33A46C3" httpUri="http://treatment.plazi.org/id/C3E1B79CC861519E86F9714DA33A46C3" lastPageNumber="113" pageId="0" pageNumber="113">
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<subSubSection pageId="0" pageNumber="113" type="nomenclature">
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<paragraph pageId="0" pageNumber="113">
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<taxonomicName LSID="C3E1B79C-C861-519E-86F9-714DA33A46C3" authority="K. W. Xu & G. L. Xu" authorityName="K. W. Xu & G. L. Xu" authorityYear="2022" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Asplenium jiulianshanense" order="Polypodiales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="jiulianshanense" status="sp. nov.">Asplenium jiulianshanense K.W.Xu & G.L.Xu</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="113">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="description">
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<paragraph pageId="0" pageNumber="113">
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Asplenium jiulianshanense K. W. Xu & G. L. Xu A, B habitat where the new species was discovered C habit D rhizome and roots E irregular branch of lamina F adaxial view of portion of lamina G abaxial view of portion of fertile lamina H frond with a gemma at the distal end of the rachis." figureDoi="10.3897/phytokeys.199.81292.figure1" httpUri="https://binary.pensoft.net/fig/693683" pageId="0" pageNumber="113">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Asplenium jiulianshanense K. W. Xu & G. L. Xu A habit B pinna showing the venation and the distribution of sori C rhizome scale. Scale bars: 2 cm (A); 5 mm (B); 2 mm (C)." figureDoi="10.3897/phytokeys.199.81292.figure2" httpUri="https://binary.pensoft.net/fig/693684" pageId="0" pageNumber="113">, 2</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Asplenium jiulianshanense K. W. Xu & G. L. Xu A-C spore morphology of the new species D rhizome scale. Scale bars: 300 μm (A); 10 μm (B, C); 1 mm (D)." figureDoi="10.3897/phytokeys.199.81292.figure5" httpUri="https://binary.pensoft.net/fig/693687" pageId="0" pageNumber="113">, 5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="diagnosis">
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<paragraph pageId="0" pageNumber="113">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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<taxonomicName authorityName="K. W. Xu & G. L. Xu" authorityYear="2022" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Asplenium jiulianshanense" order="Polypodiales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="jiulianshanense">
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<emphasis italics="true" pageId="0" pageNumber="113">Asplenium jiulianshanense</emphasis>
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</taxonomicName>
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somewhat resembles
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<taxonomicName genus="A." lsidName="A. kiangsuense" pageId="0" pageNumber="113" rank="species" species="kiangsuense">
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<emphasis italics="true" pageId="0" pageNumber="113">A. kiangsuense</emphasis>
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</taxonomicName>
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by its small size, rachises adaxially without a deep furrow, pinnae elliptic to trapeziform-oblong, sori 3-4 per pinna in the middle part of frond. However, the former has rachises with only one gemma near apex, pinnae (15-)20-35 pairs, pinna margins entire to sparsely crenate, exospore length 37-43
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, while the latter has rachises without gemmae near the apex, pinnae 8-20(-22) pairs, pinna margins entire to sinuate, exospore length 31-36
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="materials_examined">
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<paragraph pageId="0" pageNumber="113">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="113">
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<materialsCitation collectingDate="2021-06-08" collectorName="Guo-Liang Xu, Ke-Wang Xu" country="China" elevation="256" latitude="24.933899" location="Jiulianshan National Nature Reserve" longLatPrecision="1" longitude="114.82317" municipality="Ganzhou City" specimenCount="1" stateProvince="Jiangxi province" typeStatus="holotype">
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<collectingCountry name="China">China</collectingCountry>
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.
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<collectingRegion country="China" name="Jiangxi">Jiangxi province</collectingRegion>
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,
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<collectingMunicipality>Ganzhou City</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:C3E1B79CC861519E86F9714DA33A46C3:0F8D56FBF9EB59E1D7826C8C7222CBCC" country="China" latitude="24.933899" longLatPrecision="1" longitude="114.82317" municipality="Ganzhou City" name="Jiulianshan National Nature Reserve" stateProvince="Jiangxi province">Jiulianshan National Nature Reserve</location>
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,
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<quantity metricMagnitude="2" metricUnit="m" metricValue="2.56" unit="m" value="256.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="2.56" unit="m" value="256.0">256 m</elevation>
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</quantity>
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,
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<geoCoordinate degrees="24" direction="north" minutes="56" orientation="latitude" precision="1" seconds="2.04" value="24.933899">24°56'2.04"N</geoCoordinate>
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,
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<geoCoordinate degrees="114" direction="east" minutes="49" orientation="longitude" precision="1" seconds="23.44" value="114.82317">114°49'23.44"E</geoCoordinate>
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,
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<collectingDate value="2021-06-08">8 Jun 2021</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="113">
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<collectorName>Guo-Liang Xu</collectorName>
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&
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<collectorName>Ke-Wang Xu</collectorName>
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XKW681
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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, NF!; isotype, SYS!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="description">
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<paragraph pageId="0" pageNumber="113">Description.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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Plants 8-15 cm tall. Rhizome erect, short, apex densely scaly; scales narrowly triangular to linear-subulate, purplish-black, 2-3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.4-0.6 mm. Fronds caespitose; stipe castaneous-brown to purplish-black, shiny, terete, 1-3 cm, glabrous; lamina linear, 8-12
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<normalizedToken originalValue="×">x</normalizedToken>
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ca. 1.2 cm, apex acute, 1-pinnate; pinnae (15-)20-35 pairs, lower ones subopposite, hardly reduced, middle pinnae spreading horizontally or slightly reflexed, elliptic to trapeziform-oblong, 3-6
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<normalizedToken originalValue="×">x</normalizedToken>
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3-5 mm, base asymmetrical, acroscopic side truncate and close to rachis, basiscopic side narrowly cuneate, shortly stalked to subsessile, margin entire to sparsely crenate, apex obtuse. Venation anadromously pinnate or with first basiscopic vein lacking, costa with 2 or 3 acroscopic veins, obscure, veins simple or 1-forked. Fronds papery, grayish-green when dry; rachis castaneous-brown to purplish-black, shiny, glabrous, semiterete, and adaxially flat or with 2 slightly raised lateral ridges, often gemmiferous near the apex. Sori (1-)3-4(-6) per pinna, linear-elliptic, ca. 1 mm in length, median on subtending vein; indusia grayish-green, elliptic, membranous, entire, and opening toward costa. Spores with lophate perispore, average exospore length 37-43
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="etymology">
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<paragraph pageId="0" pageNumber="113">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="113">Based on the Chinese pinyin, Jiulianshan, the name of the National Nature Reserve in southern Jiangxi, China, referring to the type locality of the species.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="vernacular name">
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<paragraph pageId="0" pageNumber="113">Vernacular name.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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<normalizedToken originalValue="九连山铁角蕨">九连山铁角蕨</normalizedToken>
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(
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<normalizedToken originalValue="jiǔ-lián-shān">jiǔ-lian-shan</normalizedToken>
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<normalizedToken originalValue="tiě-jiǎo-jué">tie-jiǎo-jue</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="distribution">
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<paragraph pageId="0" pageNumber="113">Geographical distribution and habit.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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<taxonomicName authorityName="K. W. Xu & G. L. Xu" authorityYear="2022" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Asplenium jiulianshanense" order="Polypodiales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="jiulianshanense">
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<emphasis italics="true" pageId="0" pageNumber="113">Asplenium jiulianshanense</emphasis>
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</taxonomicName>
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is known only from a single locality in Mount Jiulianshan, Jiangxi, China, where there have been multiple collections. It was observed to grow on cliff rocks under shrubs at an elevation of ca. 200 m in subtropical evergreen broad-leaved forest.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="conservation">
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<paragraph pageId="0" pageNumber="113">Conservation.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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We provisionally assess
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<taxonomicName genus="A." lsidName="A. jiulianshanense" pageId="0" pageNumber="113" rank="species" species="jiulianshanense">
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<emphasis italics="true" pageId="0" pageNumber="113">A. jiulianshanense</emphasis>
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</taxonomicName>
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as Endangered based on criterion D of
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<bibRefCitation author="Ito, H" journalOrPublisher="Nucleic Acids Symposium Series" pageId="0" pageNumber="113" refId="B10" refString="IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. 2nd edn. Gland, Switzerland and Cambridge, UK." year="1972">IUCN (2012)</bibRefCitation>
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. Only one population of the new species was found at type locality with no more than 250 mature individuals.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="cytology">
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<paragraph pageId="0" pageNumber="113">Cytology.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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The chromosome number of
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<taxonomicName genus="A." lsidName="A. jiulianshanense" pageId="0" pageNumber="113" rank="species" species="jiulianshanense">
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<emphasis italics="true" pageId="0" pageNumber="113">A. jiulianshanense</emphasis>
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</taxonomicName>
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is 2n = 144 (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Chromosomes of Asplenium jiulianshanense K. W. Xu & G. L. Xu in mitotic root-tip cells, 2 n = 144. Scale bars: 20 μm." figureDoi="10.3897/phytokeys.199.81292.figure6" httpUri="https://binary.pensoft.net/fig/693688" pageId="0" pageNumber="113">6</figureCitation>
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). The chromosome number of
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<taxonomicName genus="A." lsidName="A. jiulianshanense" pageId="0" pageNumber="113" rank="species" species="jiulianshanense">
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<emphasis italics="true" pageId="0" pageNumber="113">A. jiulianshanense</emphasis>
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</taxonomicName>
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indicates that the new species is a tetraploid species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="113" type="materials_examined">
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<paragraph pageId="0" pageNumber="113">Additional specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="113">
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<materialsCitation collectingDate="2021-07-10" collectorName="Guo-Liang Xu, Ke-Wang Xu" country="China" elevation="256" latitude="24.933899" location="Jiulianshan National Nature Reserve" longLatPrecision="1" longitude="114.82317" municipality="Ganzhou City" specimenCount="1" stateProvince="Jiangxi province">
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<collectingCountry name="China">China</collectingCountry>
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.
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<collectingRegion country="China" name="Jiangxi">Jiangxi province</collectingRegion>
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,
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<collectingMunicipality>Ganzhou City</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:C3E1B79CC861519E86F9714DA33A46C3:0436A8A5446F9B6E5A2B10BAC2DDA412" country="China" latitude="24.933899" longLatPrecision="1" longitude="114.82317" municipality="Ganzhou City" name="Jiulianshan National Nature Reserve" stateProvince="Jiangxi province">Jiulianshan National Nature Reserve</location>
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,
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<quantity metricMagnitude="2" metricUnit="m" metricValue="2.56" unit="m" value="256.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="2.56" unit="m" value="256.0">256 m</elevation>
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</quantity>
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,
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<geoCoordinate degrees="24" direction="north" minutes="56" orientation="latitude" precision="1" seconds="2.04" value="24.933899">24°56'2.04"N</geoCoordinate>
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,
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<geoCoordinate degrees="114" direction="east" minutes="49" orientation="longitude" precision="1" seconds="23.44" value="114.82317">114°49'23.44"E</geoCoordinate>
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,
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<collectingDate value="2021-07-10">10 Jul 2021</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="113">
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||
<collectorName>Guo-Liang Xu</collectorName>
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&
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<collectorName>Ke-Wang Xu</collectorName>
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XKW685
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</emphasis>
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(NF!); the same collection information,
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<emphasis italics="true" pageId="0" pageNumber="113">
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<collectorName>Guo-Liang Xu</collectorName>
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&
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<collectorName>Ke-Wang Xu</collectorName>
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XKW686
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</emphasis>
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(NF!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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||
</document> |