256 lines
30 KiB
XML
256 lines
30 KiB
XML
<document id="2B0A9800FFFCAFD3C2B4986B1A56B64B" 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="03AD87ED0421FFC36E85FB5EBD78FE95" 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 crassirachis Li Bing Zhang, M. Q. Han & Yan Liu 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="206" masterDocId="FF94FF950422FFC56E0DFFC3BE7CFFB0" masterDocTitle="Seven new species of Polystichum (subg. Haplopolystichum; Dryopteridaceae) from southern China" masterLastPageNumber="221" masterPageNumber="201" pageNumber="204" updateTime="1725373609420" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="F23E80508DBCCE34535CDC23C36EC92F">
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<mods:title id="8464BE0AF526C844491BFAB5D52CD4B7">Seven new species of Polystichum (subg. Haplopolystichum; Dryopteridaceae) from southern China</mods:title>
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<mods:name id="482F8646EB62E1F920578B34E36675A4" type="personal">
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<mods:role id="4C963F6EC6AAB396286CC349D04DF5E1">
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<mods:roleTerm id="D833244CC958CB6032861EA94C4A22EB">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="2A8233871E989785F3323E70F253C2AC">Han, Meng-Qi</mods:namePart>
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<mods:affiliation id="D02C918351A1607798B94C8B6D95149D">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:name>
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<mods:name id="904EB75DCA301B39BA4ED1BACE72F337" type="personal">
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<mods:roleTerm id="080C271CB2BDAE47C1B87F54ABAFABB6">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="B121A52523346E31570AFC6C580D577E">Liu, Yan</mods:namePart>
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<mods:affiliation id="2D09C0A8BD01F307F98AECFBADE1B2EE">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="A2997D9C61622721D476B25032824C6F" type="email">gxibly@163.com</mods:nameIdentifier>
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</mods:name>
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<mods:name id="F45A50818651AD5C1476467F74AA8065" type="personal">
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<mods:roleTerm id="55742601F8893AFA5C9708DAB9827746">Author</mods:roleTerm>
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<mods:namePart id="EC70B3A42A404B23C286EE526D8E0E07">Zhang, Li-Bing</mods:namePart>
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<mods:affiliation id="A3FECBEBEDB5DA13A7AC02DBB5B9E2F8">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="C7D0D13D2D40D211104993AC7D6531FE" type="email">gxibly@163.com</mods:nameIdentifier>
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<mods:title id="C0279612C520F267FF1869704649B52D">Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="2CB3F7A3E1130B267E411CC174888CD4">
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<mods:date id="337FF283420BD13D2E60C8277B9D25E1">2016</mods:date>
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<mods:number id="59B65CBAABC5282E8AD98274D6636E79">2016-10-21</mods:number>
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<mods:number id="4356C8F551C78E631EFCF1C3D179725E">280</mods:number>
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<mods:detail id="07ECD36D015683EA0ADE46D81F29BC2E" type="issue">
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<mods:number id="B205C844BE04D02ECA0B14FEFD38B665">3</mods:number>
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<mods:start id="F4C09DF723B6A583AF9E2569047D4390">201</mods:start>
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<mods:end id="54A46CF1D0C939D3BF5855E2D7468FE7">221</mods:end>
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<mods:url id="2A7401B1A87CDCDB5CDC04C72803D958">http://dx.doi.org/10.11646/phytotaxa.280.3.1</mods:url>
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<mods:classification id="E2BDE616FE67A754BBAD658AF453AD25">journal article</mods:classification>
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<mods:identifier id="997650FBD6B0750AB635368458B6FD82" type="DOI">10.11646/phytotaxa.280.3.1</mods:identifier>
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<mods:identifier id="3985F0708F21D382CF2CFEA1C9911200" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03AD87ED0421FFC36E85FB5EBD78FE95" ID-DOI="http://doi.org/10.5281/zenodo.13645643" ID-Zenodo-Dep="13645643" LSID="urn:lsid:plazi:treatment:03AD87ED0421FFC36E85FB5EBD78FE95" httpUri="http://treatment.plazi.org/id/03AD87ED0421FFC36E85FB5EBD78FE95" lastPageId="6" lastPageNumber="206" pageId="3" pageNumber="204">
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<subSubSection id="C31E65700421FFC66E85FB5EBA35FB08" box="[136,1097,1181,1208]" pageId="3" pageNumber="204" type="nomenclature">
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<paragraph id="8BBB36FB0421FFC66E85FB5EBA35FB08" blockId="3.[136,1097,1181,1208]" box="[136,1097,1181,1208]" pageId="3" pageNumber="204">
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<heading id="D0F381970421FFC66E85FB5EBA35FB08" box="[136,1097,1181,1208]" fontSize="11" level="2" pageId="3" pageNumber="204" reason="3">
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<taxonomicName id="4C044D780421FFC66E85FB5EBD30FB08" authority="Li Bing Zhang, M.Q.Han & Yan Liu" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[136,844,1181,1208]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="crassirachis" status="sp. nov.">
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<emphasis id="B970EAE90421FFC66E85FB5EBFD4FB08" bold="true" box="[136,424,1181,1208]" italics="true" pageId="3" pageNumber="204">Polystichum crassirachis</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="B970EAE90421FFC66D5AFB5CBDD0FB08" box="[855,940,1183,1208]" italics="true" pageId="3" pageNumber="204">
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<taxonomicNameLabel id="A24357920421FFC66D5AFB5CBDD0FB08" box="[855,940,1183,1208]" pageId="3" pageNumber="204" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="133F2A7E0421FFC66DB7FB5CBA59FB08" box="[954,1061,1183,1208]" captionStart="FIGURE 3" captionStartId="4.[136,229,1878,1899]" captionTargetBox="[157,1431,196,1849]" captionTargetId="figure-18@4.[151,1436,190,1853]" captionTargetPageId="4" captionText="FIGURE 3. Polystichum crassirachis.—A. Upper view of the sinkole where the new species was discovered.—B. Habitat and plant.— C. Portion of abaxial lamina.—D. Abaxial lamina.—E. Adaxial lamina.—F. Lower portion plant.—G. Middle portions of stipes.—H. Portions of pinnae showing sori.—I. Equatorial view of spore under SEM." figureDoi="http://doi.org/10.5281/zenodo.13645641" httpUri="https://zenodo.org/record/13645641/files/figure.png" pageId="3" pageNumber="204">Figures 3</figureCitation>
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,
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<figureCitation id="133F2A7E0421FFC66A3FFB5CBA3DFB08" box="[1074,1089,1183,1208]" captionStart="FIGURE 4" captionStartId="5.[136,229,1661,1682]" captionTargetBox="[151,1424,200,1632]" captionTargetId="figure-14@5.[151,1436,190,1636]" captionTargetPageId="5" captionText="FIGURE 4. Polystichum crassirachis.—A. Habit.—B. Portion of abaxial lamina." figureDoi="http://doi.org/10.5281/zenodo.13645645" httpUri="https://zenodo.org/record/13645645/files/figure.png" pageId="3" pageNumber="204">4</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="C31E65700421FFC06E85FB20BD48F94F" lastPageId="5" lastPageNumber="206" pageId="3" pageNumber="204" type="materials_examined">
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<paragraph id="8BBB36FB0421FFC66E85FB20BA4BFAAC" blockId="3.[136,1452,1251,1416]" pageId="3" pageNumber="204">
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Type:—
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<collectingCountry id="F313766B0421FFC66EDAFB20BF5AFB48" box="[215,294,1251,1272]" name="China" pageId="3" pageNumber="204">CHINA</collectingCountry>
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.
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<collectingRegion id="49C0F8190421FFC66F20FB20BF06FB48" box="[301,378,1251,1272]" country="China" name="Yunnan" pageId="3" pageNumber="204">Yunnan</collectingRegion>
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: Qiubei County, Xindian Town, Dadong Village, in a limestone sinkhole, elev.
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<quantity id="4CFC9B1E0421FFC66A65FB20BACFFB48" box="[1128,1203,1251,1272]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="204" unit="m" value="2000.0">2000 m</quantity>
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,
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<geoCoordinate id="EE30503C0421FFC66AB1FB20BB49FB48" box="[1212,1333,1251,1272]" degrees="24" direction="north" minutes="02" orientation="latitude" pageId="3" pageNumber="204" precision="15" seconds="36" value="24.043333">
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24°02
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<emphasis id="B970EAE90421FFC66AF8FB20BA86FB48" bold="true" box="[1269,1274,1251,1272]" italics="true" pageId="3" pageNumber="204">′</emphasis>
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36
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<emphasis id="B970EAE90421FFC66B1FFB20BB60FB48" bold="true" box="[1298,1308,1251,1272]" italics="true" pageId="3" pageNumber="204">″</emphasis>
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N
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</geoCoordinate>
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,
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<geoCoordinate id="EE30503C0421FFC66B33FB20BEB2FAAC" degrees="103" direction="east" minutes="46" orientation="longitude" pageId="3" pageNumber="204" precision="15" seconds="25" value="103.77361">
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103°46
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<emphasis id="B970EAE90421FFC66B89FB20BBF5FB48" bold="true" box="[1412,1417,1251,1272]" italics="true" pageId="3" pageNumber="204">′</emphasis>
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25
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<emphasis id="B970EAE90421FFC66BACFB20BBD7FB48" bold="true" box="[1441,1451,1251,1272]" italics="true" pageId="3" pageNumber="204">″</emphasis>
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E
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</geoCoordinate>
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,
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<date id="FFBA103B0421FFC66ED5FAC4BF23FAAC" box="[216,351,1287,1308]" pageId="3" pageNumber="204" value="2015-04-17">17 April 2015</date>
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,
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||
<emphasis id="B970EAE90421FFC66F64FAC4BC8AFAAC" box="[361,758,1287,1308]" italics="true" pageId="3" pageNumber="204">Mengqi Han & Jinquan Huang HMQ094</emphasis>
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(
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<typeStatus id="54BF88590421FFC66D0FFAC4BD24FAAC" box="[770,856,1287,1308]" pageId="3" pageNumber="204" type="holotype">holotype</typeStatus>
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<collectionCode id="ED15AE3E0421FFC66D53FAC4BDF2FAAC" box="[862,910,1287,1308]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13150" lsid="urn:lsid:biocol.org:col:13150" name="Guangxi Institute of Botany" pageId="3" pageNumber="204" type="Herbarium">IBK</collectionCode>
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!,
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<typeStatus id="54BF88590421FFC66D96FAC4BD9CFAAC" box="[923,992,1287,1308]" pageId="3" pageNumber="204" type="isotype">isotype</typeStatus>
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<collectionCode id="ED15AE3E0421FFC66DEAFAC4BA55FAAC" box="[999,1065,1287,1308]" 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="3" pageNumber="204" type="Herbarium">CDBI</collectionCode>
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!).
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</paragraph>
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<paragraph id="8BBB36FB0421FFC66E85FAE8BC7FFA38" blockId="3.[136,1452,1251,1416]" pageId="3" pageNumber="204">
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Diagnosis:—
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<taxonomicName id="4C044D780421FFC66F0AFAE8BF84FAF0" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[263,504,1323,1344]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="crassirachis">
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<emphasis id="B970EAE90421FFC66F0AFAE8BF84FAF0" box="[263,504,1323,1344]" italics="true" pageId="3" pageNumber="204">Polystichum crassirachis</emphasis>
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</taxonomicName>
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is most similar to some individuals of
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<taxonomicName id="4C044D780421FFC66D67FAE8BB44FAF0" authority="Ching ex P. S. Wang & Li Bing Zhang" authorityName="P. S. Wang & Li Bing Zhang" box="[874,1336,1323,1344]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="3" pageNumber="204" phylum="Tracheophyta" rank="species" species="normale">
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<emphasis id="B970EAE90421FFC66D67FAE8BDADFAF0" box="[874,977,1323,1344]" italics="true" pageId="3" pageNumber="204">P. normale</emphasis>
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Ching ex P.S.Wang & Li Bing Zhang
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</taxonomicName>
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in
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<bibRefCitation id="EF954B0A0421FFC66B5BFAE8BF11FAD4" author="Zhang, L. - B. & Wang, P. - S." pageId="3" pageNumber="204" pagination="250 - 255" refId="ref9756" refString="Zhang, L. - B. & Wang, P. - S. (2012) Polystichum normale (Dryopteridaceae), a new species in section Crucifilix from China. Novon 22: 250 - 255. http: // dx. doi. org / 10.3417 / 2010038" type="journal article" year="2012">Zhang & Wang (2012: 250)</bibRefCitation>
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, but the former has a pinnate lamina and acute teeth on pinna margin, while the latter often has a bipinnate lamina and square teeth on pinna margin.
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</paragraph>
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<paragraph id="8BBB36FB0421FFC66E85FA72BD8BF791" blockId="3.[136,1452,1457,2081]" pageId="3" pageNumber="204">
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Plants perennial, evergreen,
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<quantity id="4CFC9B1E0421FFC66FCCFA72BC52FA7A" box="[449,558,1457,1482]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="3" pageNumber="204" unit="cm" value="25.0" valueMax="30.0" valueMin="20.0">20–30 cm</quantity>
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tall. Rhizomes ascending,
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<quantity id="4CFC9B1E0421FFC66D5BFA72BDAEFA7A" box="[854,978,1457,1482]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" metricValueMax="2.1" metricValueMin="1.5" pageId="3" pageNumber="204" unit="cm" value="1.8" valueMax="2.1" valueMin="1.5">1.5–2.1 cm</quantity>
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long, ca.
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<quantity id="4CFC9B1E0421FFC66A36FA72BAF9FA7A" box="[1083,1157,1457,1482]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="3" pageNumber="204" unit="cm" value="1.7">1.7 cm</quantity>
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diam., with remnant bases of old stipes; roots dull brown when dried,
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<quantity id="4CFC9B1E0421FFC66C68FA17BCC4FA5D" box="[613,696,1492,1517]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" metricValueMax="9.0" metricValueMin="5.0" pageId="3" pageNumber="204" unit="cm" value="7.0" valueMax="9.0" valueMin="5.0">5–9 cm</quantity>
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long, ca.
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||
<quantity id="4CFC9B1E0421FFC66D2EFA17BD05FA5D" box="[803,889,1492,1517]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="204" unit="mm" value="0.3">0.3 mm</quantity>
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diam. Leaves in tufts, 14–20 per rhizome; petioles
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<quantity id="4CFC9B1E0421FFC66E85FA34BE84F9A0" box="[136,248,1527,1552]" metricMagnitude="-1" metricUnit="m" metricValue="1.4" metricValueMax="1.8" metricValueMin="1.0" pageId="3" pageNumber="204" unit="cm" value="14.0" valueMax="18.0" valueMin="10.0">10–18 cm</quantity>
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||
long,
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<quantity id="4CFC9B1E0421FFC66F4CFA34BFB4F9A0" box="[321,456,1527,1552]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" pageId="3" pageNumber="204" unit="mm" value="1.0" valueMax="1.2" valueMin="0.8">0.8–1.2 mm</quantity>
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diam., basal portions densely covered with scales, scales lanceolate to ovate-lanceolate, 1.5–2.5 ×
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<quantity id="4CFC9B1E0421FFC66EF3F9D8BFF5F984" box="[254,393,1563,1588]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" metricValueMax="12.0" metricValueMin="6.0" pageId="3" pageNumber="204" unit="mm" value="0.8999999999999999" valueMax="1.2" valueMin="0.6">0.6–1.2 mm</quantity>
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, papery, dull brown, almost entire, margins with lighter color, apex acuminate; distal petiole scales similar but narrower, 0.9–1.8 ×
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<quantity id="4CFC9B1E0421FFC66C3EF9FDBCC0F9E7" box="[563,700,1598,1623]" metricMagnitude="-4" metricUnit="m" metricValue="5.5" metricValueMax="8.0" metricValueMin="3.0" pageId="3" pageNumber="204" unit="mm" value="0.55" valueMax="0.8" valueMin="0.3">0.3–0.8 mm</quantity>
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, membranous, margins irregularly erose or short-ciliate, apex long-acuminate or caudate. Laminae oblanceolate, 1-pinnate, 15–24 ×
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<quantity id="4CFC9B1E0421FFC66D54F9A2BDD2F9CA" box="[857,942,1633,1658]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="3" pageNumber="204" unit="cm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 cm</quantity>
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, apex acuminate, yellowish green when dried; rachises
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<quantity id="4CFC9B1E0421FFC66EE4F947BF0CF92D" box="[233,368,1668,1693]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="9.0" metricValueMin="6.0" pageId="3" pageNumber="204" unit="mm" value="0.75" valueMax="0.9" valueMin="0.6">0.6–0.9 mm</quantity>
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diam., scales ovate, ovate-lanceolate, or long-lanceolate, dull brown,
|
||
<quantity id="4CFC9B1E0421FFC66A71F947BB7FF92D" box="[1148,1283,1668,1693]" metricMagnitude="-3" metricUnit="m" metricValue="1.05" metricValueMax="1.3" metricValueMin="0.8" pageId="3" pageNumber="204" unit="mm" value="1.05" valueMax="1.3" valueMin="0.8">0.8–1.3 mm</quantity>
|
||
long including tip,
|
||
<quantity id="4CFC9B1E0421FFC66EBAF964BF3DF970" box="[183,321,1703,1728]" 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 22–32 pairs, deltoid, 0.8–1.4 ×
|
||
<quantity id="4CFC9B1E0421FFC66E85F908BF75F954" box="[136,265,1739,1764]" 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 3–5 pairs slightly smaller toward lamina base, nearly 2/3 as large as middle ones,
|
||
<quantity id="4CFC9B1E0421FFC66B20F908BBD7F954" box="[1325,1451,1739,1764]" metricMagnitude="-3" metricUnit="m" metricValue="6.499999999999999" metricValueMax="7.0" metricValueMin="6.0" pageId="3" pageNumber="204" unit="cm" value="0.6499999999999999" valueMax="0.7" valueMin="0.6">0.6–0.7 cm</quantity>
|
||
apart, middle pairs
|
||
<quantity id="4CFC9B1E0421FFC66F6BF92DBF99F8B7" box="[358,485,1774,1799]" metricMagnitude="-3" metricUnit="m" metricValue="6.499999999999999" metricValueMax="7.0" metricValueMin="6.0" pageId="3" pageNumber="204" unit="cm" value="0.6499999999999999" valueMax="0.7" valueMin="0.6">0.6–0.7 cm</quantity>
|
||
apart, all pinnae papery, alternate, acroscopic margins and distal basiscopic margins shallowly toothed, basiscopic margins forming a nearly right angle with rachis, apex acute to obtuse, base cuneate and asymmetric with acroscopic sides being much broader, petioles
|
||
<quantity id="4CFC9B1E0421FFC66D93F8F7BA54F8FD" box="[926,1064,1844,1869]" 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 to ovate-lanceolate, brown, ca.
|
||
<quantity id="4CFC9B1E0421FFC66CFEF894BD37F8C0" box="[755,843,1879,1904]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="204" unit="mm" value="0.2">0.2 mm</quantity>
|
||
long,
|
||
<quantity id="4CFC9B1E0421FFC66D99F894BD97F8C0" box="[916,1003,1879,1904]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="204" unit="mm" value="0.1">0.1 mm</quantity>
|
||
wide at base; adaxially glabrous; veins visible abaxially but somewhat obscure adaxially, lateral veins free, single or forked. Lower 3–7 pairs of pinnae sterile; sori terminal on lateral veins of fertile pinnae, (1–)3–7 on acroscopic side of fertile pinnae, 0–3(–4) on distal basiscopic side of fertile pinnae, ca.
|
||
<quantity id="4CFC9B1E0421FFC66FABF802BF9BF86A" box="[422,487,1985,2010]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="204" unit="mm" value="1.0">1 mm</quantity>
|
||
diam., closer to pinna margins than to midrib (centers of sori
|
||
<quantity id="4CFC9B1E0421FFC66AACF802BB54F86A" box="[1185,1320,1985,2010]" metricMagnitude="-4" metricUnit="m" metricValue="6" metricValueMax="8.0" metricValueMin="4.0" pageId="3" pageNumber="204" unit="mm" value="0.6" valueMax="0.8" valueMin="0.4">0.4–0.8 mm</quantity>
|
||
from pinna margins,
|
||
<quantity id="4CFC9B1E0421FFC66EE3F827BF08F84D" box="[238,372,2020,2045]" metricMagnitude="-4" metricUnit="m" metricValue="9.5" metricValueMax="15.0" metricValueMin="4.0" pageId="3" pageNumber="204" unit="mm" value="0.95" valueMax="1.5" valueMin="0.4">0.4–1.5 mm</quantity>
|
||
from midrib), centers
|
||
<quantity id="4CFC9B1E0421FFC66C66F827BC8DF84D" box="[619,753,2020,2045]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.6" metricValueMin="1.2" pageId="3" pageNumber="204" unit="mm" value="1.4" valueMax="1.6" valueMin="1.2">1.2–1.6 mm</quantity>
|
||
apart from one another; indusia not seen. Spores round in polar view and elliptic in equatorial view; perispore sculpture cristate and granulate.
|
||
</paragraph>
|
||
<caption id="DF7B66730426FFC16E85F895BD2FF803" ID-DOI="http://doi.org/10.5281/zenodo.13645641" ID-Zenodo-Dep="13645641" httpUri="https://zenodo.org/record/13645641/files/figure.png" pageId="4" pageNumber="205" startId="4.[136,229,1878,1899]" targetBox="[157,1431,196,1849]" targetPageId="4" targetType="figure">
|
||
<paragraph id="8BBB36FB0426FFC16E85F895BD2FF803" blockId="4.[136,1453,1878,1971]" pageId="4" pageNumber="205">
|
||
<emphasis id="B970EAE90426FFC16E85F895BE82F8DB" bold="true" box="[136,254,1878,1899]" pageId="4" pageNumber="205">FIGURE 3.</emphasis>
|
||
<taxonomicName id="4C044D780426FFC16F08F895BF84F8DB" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[261,504,1878,1899]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="4" pageNumber="205" phylum="Tracheophyta" rank="species" species="crassirachis">
|
||
<emphasis id="B970EAE90426FFC16F08F895BF84F8DB" box="[261,504,1878,1899]" italics="true" pageId="4" pageNumber="205">Polystichum crassirachis</emphasis>
|
||
</taxonomicName>
|
||
.—A. Upper view of the sinkole where the new species was discovered.—B. Habitat and plant.— C. Portion of abaxial lamina.—D. Abaxial lamina.—E. Adaxial lamina.—F. Lower portion plant.—G. Middle portions of stipes.—H. Portions of pinnae showing sori.—I. Equatorial view of spore under SEM.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF7B66730427FFC06E85F9BEBDE7F922" ID-DOI="http://doi.org/10.5281/zenodo.13645645" ID-Zenodo-Dep="13645645" box="[136,923,1661,1682]" httpUri="https://zenodo.org/record/13645645/files/figure.png" pageId="5" pageNumber="206" startId="5.[136,229,1661,1682]" targetBox="[151,1424,200,1632]" targetPageId="5" targetType="figure">
|
||
<paragraph id="8BBB36FB0427FFC06E85F9BEBDE7F922" blockId="5.[136,923,1661,1682]" box="[136,923,1661,1682]" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06E85F9BEBE82F922" bold="true" box="[136,254,1661,1682]" pageId="5" pageNumber="206">FIGURE 4.</emphasis>
|
||
<taxonomicName id="4C044D780427FFC06F0EF9BEBF89F922" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[259,501,1661,1682]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="206" phylum="Tracheophyta" rank="species" species="crassirachis">
|
||
<emphasis id="B970EAE90427FFC06F0EF9BEBF89F922" box="[259,501,1661,1682]" italics="true" pageId="5" pageNumber="206">Polystichum crassirachis</emphasis>
|
||
</taxonomicName>
|
||
.—A. Habit.—B. Portion of abaxial lamina.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BBB36FB0427FFC06EB0F901BD48F94F" blockId="5.[136,1452,1730,2079]" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06EB0F901BF8BF96B" bold="true" box="[189,503,1730,1755]" pageId="5" pageNumber="206">Geographical distribution</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780427FFC06C17F901BD4BF96B" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[538,823,1730,1755]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="206" phylum="Tracheophyta" rank="species" species="crassirachis">
|
||
<emphasis id="B970EAE90427FFC06C17F901BD4BF96B" box="[538,823,1730,1755]" italics="true" pageId="5" pageNumber="206">Polystichum crassirachis</emphasis>
|
||
</taxonomicName>
|
||
is only known from southeastern
|
||
<collectingRegion id="49C0F8190427FFC06AC9F901BB61F96B" box="[1220,1309,1730,1755]" country="China" name="Yunnan" pageId="5" pageNumber="206">Yunnan</collectingRegion>
|
||
,
|
||
<collectingCountry id="F313766B0427FFC06B27F901BB0DF96B" box="[1322,1393,1730,1755]" name="China" pageId="5" pageNumber="206">China</collectingCountry>
|
||
. It is most likely endemic to the sinkhole where it was discovered.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31E65700427FFC06EB0F8C9BE90F83F" pageId="5" pageNumber="206" type="biology_ecology">
|
||
<paragraph id="8BBB36FB0427FFC06EB0F8C9BF1FF8F7" blockId="5.[136,1452,1730,2079]" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06EB0F8C9BF60F893" bold="true" box="[189,284,1802,1827]" pageId="5" pageNumber="206">Ecology</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780427FFC06F4DF8C9BC26F893" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[320,602,1802,1827]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="206" phylum="Tracheophyta" rank="species" species="crassirachis">
|
||
<emphasis id="B970EAE90427FFC06F4DF8C9BC26F893" box="[320,602,1802,1827]" italics="true" pageId="5" pageNumber="206">Polystichum crassirachis</emphasis>
|
||
</taxonomicName>
|
||
grows inside a limestone sinkhole at an elevation of
|
||
<quantity id="4CFC9B1E0427FFC06AAEF8C9BA8BF893" box="[1187,1271,1802,1827]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="206" unit="m" value="2000.0">2000 m</quantity>
|
||
with humid and twilight conditions.
|
||
</paragraph>
|
||
<paragraph id="8BBB36FB0427FFC06EB0F891BE90F83F" blockId="5.[136,1452,1730,2079]" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06EB0F891BF9FF8DB" bold="true" box="[189,483,1874,1899]" pageId="5" pageNumber="206">IUCN Red List category</emphasis>
|
||
:—CR-Critically Endangered: Only one population with about 100 plants was seen in the field.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31E65700427FFC36EB0F859BD78FE95" lastPageId="6" lastPageNumber="207" pageId="5" pageNumber="206" type="etymology">
|
||
<paragraph id="8BBB36FB0427FFC06EB0F859BC1CF867" blockId="5.[136,1452,1730,2079]" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06EB0F859BF42F803" bold="true" box="[189,318,1946,1971]" pageId="5" pageNumber="206">Etymology</emphasis>
|
||
:—The species epithet is based on the Latin prefix,
|
||
<emphasis id="B970EAE90427FFC06D8AF859BDAFF803" box="[903,979,1946,1971]" italics="true" pageId="5" pageNumber="206">crassi-</emphasis>
|
||
, thick, and the Latin noun,
|
||
<emphasis id="B970EAE90427FFC06B00F859BB2FF803" box="[1293,1363,1946,1971]" italics="true" pageId="5" pageNumber="206">rachis</emphasis>
|
||
, rachis, referring to the thick rachis of the species.
|
||
</paragraph>
|
||
<paragraph id="8BBB36FB0427FFC36EB0F821BD78FE95" blockId="5.[136,1452,1730,2079]" lastBlockId="6.[136,1452,160,293]" lastPageId="6" lastPageNumber="207" pageId="5" pageNumber="206">
|
||
<emphasis id="B970EAE90427FFC06EB0F821BFF6F84B" bold="true" box="[189,394,2018,2043]" pageId="5" pageNumber="206">Taxonomic notes</emphasis>
|
||
:—
|
||
<taxonomicName id="4C044D780427FFC06FA3F821BCB0F84B" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" authorityYear="2016" box="[430,716,2018,2043]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="206" phylum="Tracheophyta" rank="species" species="crassirachis">
|
||
<emphasis id="B970EAE90427FFC06FA3F821BCB0F84B" box="[430,716,2018,2043]" italics="true" pageId="5" pageNumber="206">Polystichum crassirachis</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="4C044D780427FFC06D5FF821BBF6F84B" authority="Ching ex L. L. Xiang (1994: 261)" authorityName="L. L. Xiang" authorityPageNumber="261" authorityYear="1994" box="[850,1418,2018,2043]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="206" phylum="Tracheophyta" rank="species" species="subacutidens">
|
||
<emphasis id="B970EAE90427FFC06D5FF821BA7FF84B" box="[850,1027,2018,2043]" italics="true" pageId="5" pageNumber="206">P. subacutidens</emphasis>
|
||
Ching ex L.L.Xiang (1994: 261)
|
||
</taxonomicName>
|
||
in having shallowly toothed pinna margins, but the former often has reflexed pinnae, thicker rachises, and 22–32 pairs of pinnae, while the latter has non-reflexed pinnae, thinner rachises, and 40–110 pairs of pinnae. A preliminary molecular analysis showed that the new species is most closely related with
|
||
<taxonomicName id="4C044D780424FFC36D68FF07BED3FEB1" authority="Li Bing Zhang, M. Q. Han & Yan Liu" authorityName="Li Bing Zhang, M. Q. Han & Yan Liu" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="6" pageNumber="207" phylum="Tracheophyta" rank="species" species="membranifolium">
|
||
<emphasis id="B970EAE90424FFC36D68FF07BA46FF6D" box="[869,1082,196,221]" italics="true" pageId="6" pageNumber="207">P. membranifolium</emphasis>
|
||
Li Bing Zhang, M.Q.Han & Yan Liu
|
||
</taxonomicName>
|
||
(here described below) from northeastern
|
||
<collectingRegion id="49C0F8190424FFC36C99FF2BBC91FEB1" box="[660,749,232,257]" country="China" name="Yunnan" pageId="6" pageNumber="207">Yunnan</collectingRegion>
|
||
. However, these two species can easily be distinguished from each other in leaf texture and pinna margins (see below).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |