250 lines
29 KiB
XML
250 lines
29 KiB
XML
<document id="7915D8F67CB471BE260ED987785DBB78" ID-DOI="10.11646/phytotaxa.280.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13645631" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725371123724" checkinUser="felipe" docAuthor="Han, Meng-Qi, Liu, Yan & Zhang, Li-Bing" docDate="2016" docId="03AD87ED0420FFC66E85FF37BD70FBC7" docLanguage="en" docName="phytotaxa.280.3.1.pdf" docOrigin="Phytotaxa 280 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.280.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Polystichum arcuatum Li Bing Zhang, M. Q. Han & Yan Liu 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="204" masterDocId="FF94FF950422FFC56E0DFFC3BE7CFFB0" masterDocTitle="Seven new species of Polystichum (subg. Haplopolystichum; Dryopteridaceae) from southern China" masterLastPageNumber="221" masterPageNumber="201" pageNumber="203" updateTime="1725373609420" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="CF4476A755534D88870B0B81325ADADF">
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<mods:title id="38FD927A3592757AA0E75A398E60CB88">Seven new species of Polystichum (subg. Haplopolystichum; Dryopteridaceae) from southern China</mods:title>
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<mods:name id="2C92350477E648A22E03879183C7C7B9" type="personal">
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<mods:roleTerm id="715ED14C340E8A9C01A846F6ABE9C54C">Author</mods:roleTerm>
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<mods:namePart id="1B915504BBE34059BCF9EF761E656F9C">Han, Meng-Qi</mods:namePart>
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<mods:affiliation id="01B46DBB20E60D351A99831386C6EF80">Guangxi Institute of Botany, Guangxi Zhuangzu Autonomous Region and the Chinese Academy of Sciences, Guilin, Guangxi 541006, China & College of Life Sciences, Guangxi Normal University, 541004, Guilin, China</mods:affiliation>
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<mods:roleTerm id="3D6A258760E76C072AA631027EDE2B1A">Author</mods:roleTerm>
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<mods:namePart id="37C5CFE6B28C8E0F998114B1230B3704">Liu, Yan</mods:namePart>
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<mods:affiliation id="B1F5893542E942A540065186440978B2">Guangxi Institute of Botany, Guangxi Zhuangzu Autonomous Region and the Chinese Academy of Sciences, Guilin, Guangxi 541006, China</mods:affiliation>
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<mods:nameIdentifier id="CCAF831CFCCB2BA8E23203136A81E378" type="email">gxibly@163.com</mods:nameIdentifier>
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<mods:roleTerm id="28D695936718E9AEE08933F1C7E1ADE5">Author</mods:roleTerm>
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<mods:namePart id="F5784B21F9F7FCE2E4D63EA92356931C">Zhang, Li-Bing</mods:namePart>
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<mods:affiliation id="8659AF38C04CEA0FC14697FD94CBF2C5">Missouri Botanical Garden, P. O. Box 299, St. Louis, Missouri 63166 - 0299, U. S. A. and Chengdu Institute of Biology, Chinese Academy of Sciences, P. O. Box 416, Chengdu, Sichuan 610041, China</mods:affiliation>
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<mods:nameIdentifier id="4D6E27F6CD84C6A478448DD5DB83F680" type="email">gxibly@163.com</mods:nameIdentifier>
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<mods:title id="4EEE78EB6D11B43DD6E21BCFA4065A30">Phytotaxa</mods:title>
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<mods:part id="A1782C92BDE7F533554BBD0FB23DA765">
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<mods:date id="0C343CE58FB3393747BCFCBE9DBDC7D3">2016</mods:date>
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<mods:number id="30AF98ABB2DDEE2EB51EBB465DD34A9D">2016-10-21</mods:number>
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<mods:number id="504F5225A41FE08C2047C5C09EC5E4FD">280</mods:number>
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<mods:number id="87DB63182DB748BA3358556411B47007">3</mods:number>
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<mods:url id="173634960FE3A73347DAAA8A31AE244D">http://dx.doi.org/10.11646/phytotaxa.280.3.1</mods:url>
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<mods:classification id="70E8A08F7A6B7A1FE0BBF120DE757482">journal article</mods:classification>
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<mods:identifier id="9A0CA9311FDA3A05CF12FB738215BC73" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03AD87ED0420FFC66E85FF37BD70FBC7" ID-DOI="http://doi.org/10.5281/zenodo.13645637" ID-Zenodo-Dep="13645637" LSID="urn:lsid:plazi:treatment:03AD87ED0420FFC66E85FF37BD70FBC7" httpUri="http://treatment.plazi.org/id/03AD87ED0420FFC66E85FF37BD70FBC7" lastPageId="3" lastPageNumber="204" pageId="2" pageNumber="203">
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<subSubSection id="C31E65700420FFC76E85FF37BA4CFEBF" box="[136,1072,244,271]" pageId="2" pageNumber="203" type="nomenclature">
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<paragraph id="8BBB36FB0420FFC76E85FF37BA4CFEBF" blockId="2.[136,1072,244,271]" box="[136,1072,244,271]" pageId="2" pageNumber="203">
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<heading id="D0F381970420FFC76E85FF37BA4CFEBF" box="[136,1072,244,271]" fontSize="11" level="2" pageId="2" pageNumber="203" reason="3">
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<taxonomicName id="4C044D780420FFC76E85FF37BD4DFEBF" authority="Li Bing Zhang, M.Q.Han & Yan Liu" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[136,817,244,271]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="2" pageNumber="203" phylum="Tracheophyta" rank="species" species="arcuatum" status="sp. nov.">
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<emphasis id="B970EAE90420FFC76E85FF37BFF2FEBE" bold="true" box="[136,398,244,271]" italics="true" pageId="2" pageNumber="203">Polystichum arcuatum</emphasis>
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Li Bing Zhang, M.Q.Han & Yan Liu
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</taxonomicName>
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,
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<emphasis id="B970EAE90420FFC76D31FF35BDEDFEBF" box="[828,913,246,271]" italics="true" pageId="2" pageNumber="203">
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<taxonomicNameLabel id="A24357920420FFC76D31FF35BDEDFEBF" box="[828,913,246,271]" pageId="2" pageNumber="203" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="133F2A7E0420FFC76D92FF35BA76FEBF" box="[927,1034,246,271]" captionStart="FIGURE 1" captionStartId="1.[136,229,1878,1899]" captionTargetBox="[157,1430,196,1849]" captionTargetId="figure-14@1.[151,1436,190,1853]" captionTargetPageId="1" captionText="FIGURE 1. Polystichum arcuatum.—A. Inside view of the sinkole where the new species was discovered.—B. Habitat and plant.—C. Portion of abaxial lamina.—D. Habit.—E. Lower portion of plant.—F. Portion of abaxial lamina bearing sori.—G. Portion of pinna showing sori.—H. Equatorial view of spore under SEM.—I. Polar view of spore under SEM." figureDoi="http://doi.org/10.5281/zenodo.13645633" httpUri="https://zenodo.org/record/13645633/files/figure.png" pageId="2" pageNumber="203">Figures 1</figureCitation>
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,
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<figureCitation id="133F2A7E0420FFC76A15FF35BA5BFEBF" box="[1048,1063,246,271]" captionStart="FIGURE 2" captionStartId="2.[136,229,1904,1925]" captionTargetBox="[160,1421,534,1876]" captionTargetId="figure-123@2.[151,1436,511,1879]" captionTargetPageId="2" captionText="FIGURE 2. Polystichum arcuatum.—A. Habit.—B. Portion of abaxial lamina." figureDoi="http://doi.org/10.5281/zenodo.13645635" httpUri="https://zenodo.org/record/13645635/files/figure.png" pageId="2" pageNumber="203">2</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C31E65700420FFC66E85FE83BFA1FD40" lastPageId="3" lastPageNumber="204" pageId="2" pageNumber="203" type="materials_examined">
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<paragraph id="8BBB36FB0420FFC76E85FE83BA27FEC9" blockId="2.[136,1452,320,485]" pageId="2" pageNumber="203">
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Type:—
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.
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<collectingRegion id="49C0F8190420FFC76F20FE83BFFFFEE5" box="[301,387,320,341]" country="China" name="Guizhou" pageId="2" pageNumber="203">Guizhou</collectingRegion>
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:Anshun City, Longgong Town, Erpo Village, elev.
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,
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26°02
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<emphasis id="B970EAE90420FFC76DFBFE83BD87FEE5" bold="true" box="[1014,1019,320,341]" italics="true" pageId="2" pageNumber="203">′</emphasis>
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15
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<emphasis id="B970EAE90420FFC76A1EFE83BA61FEE5" bold="true" box="[1043,1053,320,341]" italics="true" pageId="2" pageNumber="203">″</emphasis>
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N
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,
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105°49
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18
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<emphasis id="B970EAE90420FFC76AACFE83BAD7FEE5" bold="true" box="[1185,1195,320,341]" italics="true" pageId="2" pageNumber="203">″</emphasis>
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E
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, inside a limestone cave,
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<date id="FFBA103B0420FFC76EB0FEA7BF43FEC9" box="[189,319,356,377]" pageId="2" pageNumber="203" value="2015-05-23">23 May 2015</date>
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,
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<emphasis id="B970EAE90420FFC76F44FEA7BCAAFEC9" box="[329,726,356,377]" italics="true" pageId="2" pageNumber="203">Mengqi Han & Jinquan Huang HMQ463</emphasis>
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(
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!,
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||
<typeStatus id="54BF88590420FFC76D76FEA7BDB6FEC9" box="[891,970,356,377]" pageId="2" pageNumber="203" type="isotype">isotypes</typeStatus>
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<collectionCode id="ED15AE3E0420FFC76DDDFEA7BA6CFEC9" box="[976,1040,356,377]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12796" lsid="urn:lsid:biocol.org:col:12796" name="Chengdu Institute of Biology" pageId="2" pageNumber="203" type="Herbarium">CDBI</collectionCode>
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!,
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<collectionCode id="ED15AE3E0420FFC76A10FEA7BA37FEC9" box="[1053,1099,356,377]" country="USA" lsid="urn:lsid:biocol.org:col:15859" name="Missouri Botanical Garden" pageId="2" pageNumber="203" type="Herbarium">MO</collectionCode>
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!).
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</paragraph>
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<paragraph id="8BBB36FB0420FFC76E85FE4BBC96FE55" blockId="2.[136,1452,320,485]" pageId="2" pageNumber="203">
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Diagnosis:—
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<taxonomicName id="4C044D780420FFC76F0AFE4BBFA1FE2D" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[263,477,392,413]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="2" pageNumber="203" phylum="Tracheophyta" rank="species" species="arcuatum">
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<emphasis id="B970EAE90420FFC76F0AFE4BBFA1FE2D" box="[263,477,392,413]" italics="true" pageId="2" pageNumber="203">Polystichum arcuatum</emphasis>
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</taxonomicName>
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is most similar to
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<taxonomicName id="4C044D780420FFC76C86FE4BBA29FE2D" authority="(Baker 1880: 494) Diels (1899: 191)" authorityName="Diels" authorityPageNumber="191" authorityYear="1899" baseAuthorityName="Baker" baseAuthorityPageNumber="494" baseAuthorityYear="1880" box="[651,1109,392,413]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="2" pageNumber="203" phylum="Tracheophyta" rank="species" species="deltodon">
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<emphasis id="B970EAE90420FFC76C86FE4BBC8AFE2D" box="[651,758,392,413]" italics="true" pageId="2" pageNumber="203">P. deltodon</emphasis>
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||
(
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<bibRefCitation id="EF954B0A0420FFC76D0CFE4BBDDEFE2D" author="Baker, J. G." box="[769,930,392,413]" pageId="2" pageNumber="203" refId="ref7584" refString="Baker, J. G. (1880) New ferns of China and Japan. The Gardeners' Chronicle, new series 14: 494." type="book" year="1880">Baker 1880: 494</bibRefCitation>
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||
)
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||
<bibRefCitation id="EF954B0A0420FFC76DA3FE4BBA29FE2D" author="Diels, L." box="[942,1109,392,413]" pageId="2" pageNumber="203" pagination="139 - 339" refId="ref7782" refString="Diels, L. (1899) Polypodiaceae. In: Engler, H. G. A. & Prantl, K. A. E. (Eds.) Die Naturlichen Pflanzenfamilien, vol. 1 (4). W. Engelmann, Leipzig, pp. 139 - 339." type="book chapter" year="1899">Diels (1899: 191)</bibRefCitation>
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||
</taxonomicName>
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||
in having similar size of pinnae and marginal sori, but the former has oblong-deltoid pinnae with strongly curved (like a bow) basiscopic pinna margins, while the latter has oblong pinnae with straight basiscopic pinna margins.
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||
</paragraph>
|
||
<caption id="DF7B66730420FFC76E85F8B3BDFCF835" ID-DOI="http://doi.org/10.5281/zenodo.13645635" ID-Zenodo-Dep="13645635" box="[136,896,1904,1925]" httpUri="https://zenodo.org/record/13645635/files/figure.png" pageId="2" pageNumber="203" startId="2.[136,229,1904,1925]" targetBox="[160,1421,534,1876]" targetPageId="2" targetType="figure">
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<paragraph id="8BBB36FB0420FFC76E85F8B3BDFCF835" blockId="2.[136,896,1904,1925]" box="[136,896,1904,1925]" pageId="2" pageNumber="203">
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<emphasis id="B970EAE90420FFC76E85F8B3BE82F835" bold="true" box="[136,254,1904,1925]" pageId="2" pageNumber="203">FIGURE 2.</emphasis>
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||
<taxonomicName id="4C044D780420FFC76F0EF8B3BFA7F835" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[259,475,1904,1925]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="2" pageNumber="203" phylum="Tracheophyta" rank="species" species="arcuatum">
|
||
<emphasis id="B970EAE90420FFC76F0EF8B3BFA7F835" box="[259,475,1904,1925]" italics="true" pageId="2" pageNumber="203">Polystichum arcuatum</emphasis>
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||
</taxonomicName>
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||
.—A. Habit.—B. Portion of abaxial lamina.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BBB36FB0420FFC66E85F86DBA15FD19" blockId="2.[136,1452,1966,2063]" lastBlockId="3.[136,1452,160,1143]" lastPageId="3" lastPageNumber="204" pageId="2" pageNumber="203">
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||
Plants perennial, evergreen,
|
||
<quantity id="4CFC9B1E0420FFC76FC0F86DBC43F877" box="[461,575,1966,1991]" metricMagnitude="-1" metricUnit="m" metricValue="3.9" metricValueMax="4.4" metricValueMin="3.4" pageId="2" pageNumber="203" unit="cm" value="39.0" valueMax="44.0" valueMin="34.0">34–44 cm</quantity>
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||
tall. Rhizomes ascending,
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<quantity id="4CFC9B1E0420FFC76D7AF86DBD8BF877" box="[887,1015,1966,1991]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="1.8" metricValueMin="1.2" pageId="2" pageNumber="203" unit="cm" value="1.5" valueMax="1.8" valueMin="1.2">1.2–1.8 cm</quantity>
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||
long, ca.
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<quantity id="4CFC9B1E0420FFC76A61F86DBAC7F877" box="[1132,1211,1966,1991]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="2" pageNumber="203" unit="cm" value="1.4">1.4 cm</quantity>
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||
diam., with remnant bases of old stipes; roots dull brown when dried,
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<quantity id="4CFC9B1E0420FFC76CB7F811BD72F85B" box="[698,782,2002,2027]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="2" pageNumber="203" unit="cm" value="4.5" valueMax="6.0" valueMin="3.0">3–6 cm</quantity>
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long, ca.
|
||
<quantity id="4CFC9B1E0420FFC76D72F811BDAAF85B" box="[895,982,2002,2027]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="2" pageNumber="203" unit="mm" value="0.3">0.3 mm</quantity>
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||
diam. Leaves in tufts, 9–14 per rhizome; petioles
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||
<quantity id="4CFC9B1E0420FFC76EEBF835BF44F7BF" box="[230,312,2038,2063]" metricMagnitude="-2" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="2" pageNumber="203" unit="cm" value="6.5" valueMax="8.0" valueMin="5.0">5–8 cm</quantity>
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long,
|
||
<quantity id="4CFC9B1E0420FFC76F72F835BC79F7BF" box="[383,517,2038,2063]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="2" pageNumber="203" unit="mm" value="0.7" valueMax="0.8" valueMin="0.6">0.6–0.8 mm</quantity>
|
||
diam., basal portions densely covered with scales, scales broad-lanceolate to ovate-lanceolate, 3–4 ×
|
||
<quantity id="4CFC9B1E0421FFC66F58FF63BFB0FF09" box="[341,460,160,185]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1–1.5 mm</quantity>
|
||
, papery, dull brown, edges with lighter color and almost entire, apex acuminate; distal petiole scales similar but narrower, 1.4–2.4 ×
|
||
<quantity id="4CFC9B1E0421FFC66C73FF00BD79FF6C" box="[638,773,195,220]" metricMagnitude="-4" metricUnit="m" metricValue="5.5" metricValueMax="7.0" metricValueMin="4.0" pageId="3" pageNumber="204" unit="mm" value="0.55" valueMax="0.7" valueMin="0.4">0.4–0.7 mm</quantity>
|
||
, membranous, margins irregularly erose or short-ciliate, apex long-acuminate or caudate. Laminae lanceolate, 1-pinnate, 24–27 ×
|
||
<quantity id="4CFC9B1E0421FFC66D9DFF24BA6DFEB0" box="[912,1041,231,256]" metricMagnitude="-2" metricUnit="m" metricValue="2.45" metricValueMax="2.7" metricValueMin="2.2" pageId="3" pageNumber="204" unit="cm" value="2.45" valueMax="2.7" valueMin="2.2">2.2–2.7 cm</quantity>
|
||
, apex acuminate, green when dried; rachises
|
||
<quantity id="4CFC9B1E0421FFC66EE5FEC9BF24FE93" box="[232,344,266,291]" metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="3" pageNumber="204" unit="mm" value="0.85" valueMax="1.0" valueMin="0.7">0.7–1 mm</quantity>
|
||
diam., scales lanceolate to ovate-lanceolate, dull brown,
|
||
<quantity id="4CFC9B1E0421FFC66DC1FEC9BA2DFE93" box="[972,1105,266,291]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" metricValueMax="1.5" metricValueMin="1.1" pageId="3" pageNumber="204" unit="mm" value="1.3" valueMax="1.5" valueMin="1.1">1.1–1.5 mm</quantity>
|
||
long including tip,
|
||
<quantity id="4CFC9B1E0421FFC66B2AFEC9BBD0FE93" box="[1319,1452,266,291]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="3" pageNumber="204" unit="mm" value="0.5" valueMax="0.6" valueMin="0.4">0.4–0.6 mm</quantity>
|
||
wide at base, margins sparsely ciliate, apex long-caudate. Pinnae 30–38 pairs, deltoid, 0.8–1.4 ×
|
||
<quantity id="4CFC9B1E0421FFC66ABEFEEDBB4EFEF7" box="[1203,1330,302,327]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="3" pageNumber="204" unit="cm" value="0.35" valueMax="0.4" valueMin="0.3">0.3–0.4 cm</quantity>
|
||
, basalmost 0–2 pairs slightly smaller, ca. 2/3 to same size as middle ones,
|
||
<quantity id="4CFC9B1E0421FFC66D35FE92BDCFFEDA" box="[824,947,337,362]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" metricValueMax="1.5" metricValueMin="1.4" pageId="3" pageNumber="204" unit="cm" value="1.45" valueMax="1.5" valueMin="1.4">1.4–1.5 cm</quantity>
|
||
apart, middle pairs
|
||
<quantity id="4CFC9B1E0421FFC66A83FE92BA89FEDA" box="[1166,1269,337,362]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="3" pageNumber="204" unit="cm" value="0.8" valueMax="1.0" valueMin="0.6">0.6–1 cm</quantity>
|
||
apart, all pinnae papery, alternate, basiscopic margins entire, acroscopic margins almost entire or very shallowly crenulated, basiscopic margins forming a 60–120° angle with rachis, apex acute, base cuneate and asymmetric with acroscopic sides being much broader, petioles
|
||
<quantity id="4CFC9B1E0421FFC66F86FE78BC6DFE64" box="[395,529,443,468]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="3" pageNumber="204" unit="mm" value="0.4" valueMax="0.5" valueMin="0.3">0.3–0.5 mm</quantity>
|
||
long, abaxially with microscales, microscales lanceolate, brown,
|
||
<quantity id="4CFC9B1E0421FFC66AEAFE78BB11FE64" box="[1255,1389,443,468]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" metricValueMax="15.0" metricValueMin="3.0" pageId="3" pageNumber="204" unit="mm" value="0.9" valueMax="1.5" valueMin="0.3">0.3–1.5 mm</quantity>
|
||
long,
|
||
<quantity id="4CFC9B1E0421FFC66E85FE1CBF72FE48" box="[136,270,479,504]" metricMagnitude="-4" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="0.15" valueMax="0.2" valueMin="0.1">0.1–0.2 mm</quantity>
|
||
wide at base, margins with irregular outgrowths; adaxially glabrous; veins visible abaxially but somewhat obscure adaxially, lateral veins free, single or forked. Lower 1–4 pairs of pinnae sterile; sori terminal on lateral veins of fertile pinnae, (1–)3–7 on acroscopic side of fertile pinnae, 0–1 on distal basiscopic side of fertile pinnae,
|
||
<quantity id="4CFC9B1E0421FFC66B36FDE5BBD0FD8F" box="[1339,1452,550,575]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="1.1" valueMax="1.2" valueMin="1.0">1–1.2 mm</quantity>
|
||
diam., closer to pinna margins than to midrib (centers of sori
|
||
<quantity id="4CFC9B1E0421FFC66D4EFD8ABDCAFDD2" box="[835,950,585,610]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="1.2" valueMax="1.4" valueMin="1.0">1–1.4 mm</quantity>
|
||
from pinna margins,
|
||
<quantity id="4CFC9B1E0421FFC66AA1FD8ABB76FDD2" box="[1196,1290,585,610]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="5.0" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="3.0" valueMax="5.0" valueMin="1.0">1–5 mm</quantity>
|
||
from midrib), centers
|
||
<quantity id="4CFC9B1E0421FFC66EEDFDAEBF28FD36" box="[224,340,621,646]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="3" pageNumber="204" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1–1.5 mm</quantity>
|
||
apart from one another; indusia rounded, ca.
|
||
<quantity id="4CFC9B1E0421FFC66D6CFDAEBDD8FD36" box="[865,932,621,646]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="204" unit="mm" value="1.0">1 mm</quantity>
|
||
diam., nearly entire. Spores rounded in polar view and elliptic in equatorial view; perispore sculpture cristate with numerous spinules.
|
||
</paragraph>
|
||
<paragraph id="8BBB36FB0421FFC66EB0FD77BFA1FD40" blockId="3.[136,1452,160,1143]" pageId="3" pageNumber="204">
|
||
<emphasis id="B970EAE90421FFC66EB0FD77BF89FD7D" bold="true" box="[189,501,692,717]" pageId="3" pageNumber="204">Geographical distribution</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780421FFC66C14FD77BD69FD7D" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[537,789,692,717]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="arcuatum">
|
||
<emphasis id="B970EAE90421FFC66C14FD77BD69FD7D" box="[537,789,692,717]" italics="true" pageId="3" pageNumber="204">Polystichum arcuatum</emphasis>
|
||
</taxonomicName>
|
||
is only known from central
|
||
<collectingRegion id="49C0F8190421FFC66A54FD77BAC0FD7D" box="[1113,1212,692,717]" country="China" name="Guizhou" pageId="3" pageNumber="204">Guizhou</collectingRegion>
|
||
,
|
||
<collectingCountry id="F313766B0421FFC66AC5FD77BB73FD7D" box="[1224,1295,692,717]" name="China" pageId="3" pageNumber="204">China</collectingCountry>
|
||
. It is likely to occur only in the
|
||
<typeStatus id="54BF88590421FFC66F41FD14BF00FD40" box="[332,380,727,752]" pageId="3" pageNumber="204">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31E65700421FFC66EB0FD38BE90FCCE" pageId="3" pageNumber="204" type="biology_ecology">
|
||
<paragraph id="8BBB36FB0421FFC66EB0FD38BF78FC87" blockId="3.[136,1452,160,1143]" pageId="3" pageNumber="204">
|
||
<emphasis id="B970EAE90421FFC66EB0FD38BF60FCA4" bold="true" box="[189,284,763,788]" pageId="3" pageNumber="204">Ecology</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780421FFC66F4DFD38BC47FCA4" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[320,571,763,788]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="arcuatum">
|
||
<emphasis id="B970EAE90421FFC66F4DFD38BC47FCA4" box="[320,571,763,788]" italics="true" pageId="3" pageNumber="204">Polystichum arcuatum</emphasis>
|
||
</taxonomicName>
|
||
grows inside a limestone cave at an elevation of
|
||
<quantity id="4CFC9B1E0421FFC66A56FD38BAD3FCA4" box="[1115,1199,763,788]" metricMagnitude="3" metricUnit="m" metricValue="1.21" pageId="3" pageNumber="204" unit="m" value="1210.0">1210 m</quantity>
|
||
with humid and shady conditions.
|
||
</paragraph>
|
||
<paragraph id="8BBB36FB0421FFC66EB0FC81BE90FCCE" blockId="3.[136,1452,160,1143]" pageId="3" pageNumber="204">
|
||
<emphasis id="B970EAE90421FFC66EB0FC81BF9FFCEB" bold="true" box="[189,483,834,859]" pageId="3" pageNumber="204">IUCN Red List category</emphasis>
|
||
:—CR-Critically Endangered: Only one population with about 100 plants was seen in the field.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31E65700421FFC66EB0FC4BBD70FBC7" pageId="3" pageNumber="204" type="etymology">
|
||
<paragraph id="8BBB36FB0421FFC66EB0FC4BBC36FC75" blockId="3.[136,1452,160,1143]" pageId="3" pageNumber="204">
|
||
<emphasis id="B970EAE90421FFC66EB0FC4BBF42FC11" bold="true" box="[189,318,904,929]" pageId="3" pageNumber="204">Etymology</emphasis>
|
||
:—The species epithet is based on the Latin,
|
||
<taxonomicName id="4C044D780421FFC66D5CFC4BBDC7FC11" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[849,955,904,929]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="arcuatum">
|
||
<emphasis id="B970EAE90421FFC66D5CFC4BBDC7FC11" box="[849,955,904,929]" italics="true" pageId="3" pageNumber="204">arcuatum</emphasis>
|
||
</taxonomicName>
|
||
, bow-curved, referring to the shape of the basiscopic pinna margins of the species.
|
||
</paragraph>
|
||
<paragraph id="8BBB36FB0421FFC66EB0FC0CBD70FBC7" blockId="3.[136,1452,160,1143]" pageId="3" pageNumber="204">
|
||
<emphasis id="B970EAE90421FFC66EB0FC0CBFFBFC58" bold="true" box="[189,391,975,1000]" pageId="3" pageNumber="204">Taxonomic notes</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780421FFC66FA6FC0CBCD4FC58" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[427,680,975,1000]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="arcuatum">
|
||
<emphasis id="B970EAE90421FFC66FA6FC0CBCD4FC58" box="[427,680,975,1000]" italics="true" pageId="3" pageNumber="204">Polystichum arcuatum</emphasis>
|
||
</taxonomicName>
|
||
stands out in
|
||
<emphasis id="B970EAE90421FFC66D47FC0CBD1FFC58" box="[842,867,975,1000]" italics="true" pageId="3" pageNumber="204">P.</emphasis>
|
||
subg.
|
||
<emphasis id="B970EAE90421FFC66DA1FC0CBA05FC58" box="[940,1145,975,1000]" italics="true" pageId="3" pageNumber="204">Haplopolystichum</emphasis>
|
||
by having strongly curved (like a bow) basiscopic pinna margins. The ratio of the length to width of pinnae is smaller than that in most species of
|
||
<emphasis id="B970EAE90421FFC66E85FBD5BEDCFB9F" box="[136,160,1046,1071]" italics="true" pageId="3" pageNumber="204">P.</emphasis>
|
||
subg.
|
||
<emphasis id="B970EAE90421FFC66EE9FBD5BFCDFB9F" box="[228,433,1046,1071]" italics="true" pageId="3" pageNumber="204">Haplopolystichum</emphasis>
|
||
. Its lower pinnae are not or only slightly narrowed toward the base of rachis. The pinnae are deltoid-oblong, unlike most species in the subgenus that have either deltoid or oblong pinnae. A preliminary molecular analysis failed to identify its most closely related species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |