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<document id="711CE5AA8C16F79EF59192C93D8AD06D" ID-DOI="10.11646/phytotaxa.608.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="8248950" IM.bibliography_approvedBy="jonas" IM.illustrations_approvedBy="jonas" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="jonas" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="jonas" IM.treatments_approvedBy="jonas" checkinTime="1692093204916" checkinUser="plazi" docAuthor="Fischer, Eberhard &amp; Lobin, Wolfram" docDate="2023" docId="8D3A87D0FFD65117FF5DFB7AFF9CBA51" docLanguage="en" docName="phytotaxa.608.1.1.pdf" docOrigin="Phytotaxa 608 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.608.1.1" docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.3:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="3" docTitle="Asplenium markusbeckeri Eb. Fisch. &amp; Lobin 2023, sp. nov." docType="treatment" docVersion="4" lastPageNumber="24" masterDocId="7103FFA8FFC15100FFD5FA0FFB44BD05" masterDocTitle="Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda" masterLastPageNumber="65" masterPageNumber="1" pageNumber="24" updateTime="1699557692788" updateUser="plazi">
<mods:mods id="157EA635E6E9BE4F8203772DF03F0383" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="6AA8302A12D1BC849F036A6E08988A69">
<mods:title id="EA44A2975C20D14B05710190A14C929A">Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda</mods:title>
</mods:titleInfo>
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<mods:role id="03F94FC9B1133D62B10A03E30F970817">
<mods:roleTerm id="3B7E6AE9EBF979BAFE0B1EA70E85D3FC">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="82CAE7C0DC84A48EE4E5563630B30F10">Fischer, Eberhard</mods:namePart>
<mods:nameIdentifier id="28212BB724849B8676A2A7415F558246" type="ORCID">0000-0001-7455-9833</mods:nameIdentifier>
<mods:affiliation id="AEB9B66BF0D157E49D27F1EC436B1BCB">Institute for Integrated Natural Sciences-Biology, University of Koblenz, Universitätsstrasse 1, 56070 Koblenz, Germany. efischer @ uni-koblenz. de; https: // orcid. org / 0000 - 0001 - 7455 - 9833</mods:affiliation>
<mods:nameIdentifier id="9A3709958BA575CC93C9A5B9BCECC9C3" type="email">efischer@uni-koblenz.de</mods:nameIdentifier>
</mods:name>
<mods:name id="51C6A16E7D624F549053084B933F9E21" type="personal">
<mods:role id="60FE33A2A0C3DFE3C4DA54C3C360D0F2">
<mods:roleTerm id="233354365FD7CFDECD082EB363F1D595">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="33D570F9E74F5BC88BBA88E2F41CFEBC">Lobin, Wolfram</mods:namePart>
<mods:nameIdentifier id="D4F3CD557DF94537781A2D540E0C1C25" type="ORCID">0000-0001-7455-9833</mods:nameIdentifier>
<mods:affiliation id="DB21C99F56759F5A5B898957E24E147B">Institute for Integrated Natural Sciences-Biology, University of Koblenz, Universitätsstrasse 1, 56070 Koblenz, Germany. efischer @ uni-koblenz. de; https: // orcid. org / 0000 - 0001 - 7455 - 9833 &amp; Botanical Gardens Bonn University, Meckenheimer Allee 171, D- 51115 Bonn, Germany. lobin @ hotmail. de; https: // orcid. org / 0000 - 0002 - 7243 - 4954 * Author for correspondence &amp; Institute for Integrated Natural Sciences-Biology, University of Koblenz, Universitätsstrasse 1, 56070 Koblenz, Germany. efischer @ uni-koblenz. de; https: // orcid. org / 0000 - 0001 - 7455 - 9833</mods:affiliation>
<mods:nameIdentifier id="94394A3E217313E48C143D899578BCC3" type="email">efischer@uni-koblenz.de</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="8CCB84435F173096C134371A95D71637">text</mods:typeOfResource>
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<mods:title id="49BCC229AD1D4B3BD447D8DD0A1FADC3">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="6708DFE4A896FA664381D3900B4237E3">
<mods:date id="E7A76871622876534D2E1B82C334DB41">2023</mods:date>
<mods:detail id="C693DAF14D377AAB46A66CD98E23021F" type="pubDate">
<mods:number id="998D24C96A09BF02D119B87984876BF0">2023-08-15</mods:number>
</mods:detail>
<mods:detail id="50EF89688AAA6514930BC923ABD750D1" type="volume">
<mods:number id="E13ED231954C0B59F6649509A1BC48BF">608</mods:number>
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<mods:number id="691CA5B67BBA20627B5EFCBA1B82E059">1</mods:number>
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<mods:url id="04B33BE4A871CE604EC1A96404BD18F8">http://dx.doi.org/10.11646/phytotaxa.608.1.1</mods:url>
</mods:location>
<mods:classification id="2ED323A95F3721B1BF6764C8CC00FC87">journal article</mods:classification>
<mods:identifier id="6CBFC56E9EA6A369C8E0598918E3BB96" type="DOI">10.11646/phytotaxa.608.1.1</mods:identifier>
<mods:identifier id="B4F75F53FB6C28A414A745D5FCA78065" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="2EC5F222D0B2FEDC3573C587002EFCAF" type="Zenodo-Dep">8248950</mods:identifier>
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<treatment id="8D3A87D0FFD65117FF5DFB7AFF9CBA51" ID-DOI="http://doi.org/10.5281/zenodo.8248998" ID-Zenodo-Dep="8248998" LSID="urn:lsid:plazi:treatment:8D3A87D0FFD65117FF5DFB7AFF9CBA51" httpUri="http://treatment.plazi.org/id/8D3A87D0FFD65117FF5DFB7AFF9CBA51" lastPageNumber="24" pageId="23" pageNumber="24">
<subSubSection id="4D89654DFFD65117FF5DFB7AF8C3BC95" box="[136,903,373,400]" pageId="23" pageNumber="24" type="nomenclature">
<paragraph id="052C36C6FFD65117FF5DFB7AF8C3BC95" blockId="23.[136,1452,373,1876]" box="[136,903,373,400]" pageId="23" pageNumber="24">
<heading id="5E6481AAFFD65117FF5DFB7AF8C3BC95" box="[136,903,373,400]" fontSize="11" level="2" pageId="23" pageNumber="24" reason="5">
<taxonomicName id="C2934D45FFD65117FF5DFB7AF9D5BC95" ID-CoL="BTKCS" authority="Eb.Fisch. &amp; Lobin" authorityName="Eb. Fisch. &amp; Lobin" authorityYear="2023" box="[136,657,373,400]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri" status="sp. nov.">
<emphasis id="37E7EAD4FFD65117FF5DFB7AFAF3BC95" bold="true" box="[136,439,373,400]" italics="true" pageId="23" pageNumber="24">Asplenium markusbeckeri</emphasis>
Eb.Fisch. &amp; Lobin
</taxonomicName>
,
<emphasis id="37E7EAD4FFD65117FD49FB78F9B5BC95" box="[668,753,375,400]" italics="true" pageId="23" pageNumber="24">
<taxonomicNameLabel id="2CD457AFFFD65117FD49FB78F9B5BC95" box="[668,753,375,400]" pageId="23" pageNumber="24" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="9DA82A43FFD65117FCD5FB79F83FBC95" box="[768,891,374,400]" captionStart-0="FIGURE 9" captionStart-1="FIGURE 10" captionStart-2="FIGURE 11" captionStart-3="FIGURE 12" captionStart-4="FIGURE 13" captionStartId-0="24.[136,229,1955,1977]" captionStartId-1="25.[136,229,1955,1977]" captionStartId-2="26.[136,229,1955,1977]" captionStartId-3="27.[136,229,1955,1977]" captionStartId-4="28.[136,229,1366,1388]" captionTargetBox-0="[193,1388,194,1930]" captionTargetBox-1="[195,1385,194,1930]" captionTargetBox-2="[197,1384,194,1930]" captionTargetBox-3="[314,1278,227,1896]" captionTargetBox-4="[151,1420,194,1332]" captionTargetId-0="figure-26@24.[192,1393,193,1931]" captionTargetId-1="figure-18@25.[193,1390,193,1931]" captionTargetId-2="figure-26@26.[196,1389,193,1931]" captionTargetId-3="figure-18@27.[284,1300,193,1931]" captionTargetId-4="figure-26@28.[150,1434,193,1342]" captionTargetPageId-0="24" captionTargetPageId-1="25" captionTargetPageId-2="26" captionTargetPageId-3="27" captionTargetPageId-4="28" captionText-0="FIGURE 9. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov.—A. Habit.—B. Detail of frond. Photographs: E.Fischer, Ibuhanga. Scale bars:A. 15 cm; B. 3 cm." captionText-1="FIGURE 10. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov.—A, B. Detail of pinnae, abaxial view. Photographs: E.Fischer, Ibuhanga. Scale bars: 1 cm." captionText-2="FIGURE 11. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov.—A, B. Detail of fronds.—C. Pinnae, abaxial view. Photographs: E.Fischer, Ibuhanga. Scale bars: A. B, C. 5 cm." captionText-3="FIGURE 12. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov. Scales.—A. Scale from rachis.—B–D. Rhizome scales. Photographs: E.Fischer &amp; W.Lobin, from Type M. Becker 474. Scale bars. 1 mm." captionText-4="FIGURE 13. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov. Spores.—A–C. A. gemmiferum Spores.—D. Photographs: E.Fischer, W.Lobin &amp; Y.Malkowsky, A–C. M. Becker 474; D J.Léonard 2857. Scale bars: A, B. 10 µm; C. 8 µm; D.10 µm." figureDoi-0="http://doi.org/10.5281/zenodo.8248978" figureDoi-1="http://doi.org/10.5281/zenodo.8248980" figureDoi-2="http://doi.org/10.5281/zenodo.8248984" figureDoi-3="http://doi.org/10.5281/zenodo.8248988" figureDoi-4="http://doi.org/10.5281/zenodo.8248992" httpUri-0="https://zenodo.org/record/8248978/files/figure.png" httpUri-1="https://zenodo.org/record/8248980/files/figure.png" httpUri-2="https://zenodo.org/record/8248984/files/figure.png" httpUri-3="https://zenodo.org/record/8248988/files/figure.png" httpUri-4="https://zenodo.org/record/8248992/files/figure.png" pageId="23" pageNumber="24">Figs. 9–13</figureCitation>
).
</heading>
</paragraph>
</subSubSection>
<subSubSection id="4D89654DFFD65117FF68FB95F8E6BCDD" pageId="23" pageNumber="24" type="materials_examined">
<paragraph id="052C36C6FFD65117FF68FB95F8E6BCDD" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<materialsCitation id="B5FB3C9BFFD65117FF68FB95F8E6BCDD" collectingDate="1993-09-12" collectionCode="BR" collectorName="M. Becker" country="Democratic Republic of the Congo" elevation="2000" location="Fuwe" municipality="Idjwi Island" pageId="23" pageNumber="24" specimenCode="BR0000015253538" specimenCount="1" stateProvince="Sud-Kivu" typeStatus="holotype">
<emphasis id="37E7EAD4FFD65117FF68FB95FA70BCB1" bold="true" box="[189,308,410,436]" pageId="23" pageNumber="24">
<typeStatus id="DA288864FFD65117FF68FB95FA6ABCB1" box="[189,302,410,436]" pageId="23" pageNumber="24" type="holotype">Holotype</typeStatus>
:
</emphasis>
—D.R.
<collectingCountry id="7D847656FFD65117FE55FB95FAAABCB1" box="[384,494,410,436]" name="Democratic Republic of the Congo" pageId="23" pageNumber="24">CONGO</collectingCountry>
.
<collectingRegion id="C757F824FFD65117FDD9FB95F903BCB1" box="[524,583,410,436]" country="Democratic Republic of the Congo" name="Sud-Kivu" pageId="23" pageNumber="24">Kivu</collectingRegion>
,
<collectingMunicipality id="E548ACBCFFD65117FDB5FB95F9BCBCB1" box="[608,760,410,436]" pageId="23" pageNumber="24">Idjwi Island</collectingMunicipality>
,
<location id="004C601DFFD65117FCC7FB95F817BCB1" LSID="urn:lsid:plazi:treatment:8D3A87D0FFD65117FF5DFB7AFF9CBA51:004C601DFFD65117FCC7FB95F817BCB1" box="[786,851,410,436]" country="Democratic Republic of the Congo" municipality="Idjwi Island" name="Fuwe" pageId="23" pageNumber="24" stateProvince="Sud-Kivu">Fuwe</location>
,
<quantity id="C26B9B23FFD65117FCB8FB95F896BCB1" box="[877,978,410,436]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="24" unit="m" value="2000.0">
<elevation id="8EBED1F5FFD65117FCB8FB95F896BCB1" box="[877,978,410,436]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="24" unit="m" value="2000.0">2000 m</elevation>
</quantity>
,
<date id="712D1006FFD65117FC39FB95FFA2BCB1" box="[1004,1254,410,436]" pageId="23" pageNumber="24" value="1993-09-12">
<collectingDate id="6169E9EEFFD65117FC39FB95FFA2BCB1" box="[1004,1254,410,436]" pageId="23" pageNumber="24" value="1993-09-12">12 September 1993</collectingDate>
</date>
,
<emphasis id="37E7EAD4FFD65117FAD5FB95FEEFBCB1" box="[1280,1451,410,436]" italics="true" pageId="23" pageNumber="24">
<collectorName id="A8665310FFD65117FAD5FB95FE2FBCB1" box="[1280,1387,410,436]" pageId="23" pageNumber="24">M.Becker</collectorName>
474
</emphasis>
(
<specimenCode id="55359EBDFFD65117FF5AFBB1FA29BCDC" box="[143,365,446,473]" collectionCode="BR" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="23" pageNumber="24">BR0000015253538</specimenCode>
V,
<emphasis id="37E7EAD4FFD65117FE5EFBB2FAAEBCD2" bold="true" box="[395,490,445,471]" pageId="23" pageNumber="24">isotypes</emphasis>
: B 20 0220604, B 20 022060, KOBL).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="4D89654DFFD65117FF68FBEEF809BEA9" pageId="23" pageNumber="24" type="diagnosis">
<paragraph id="052C36C6FFD65117FF68FBEEFEE6BF6D" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FBEEFA7EBCFE" bold="true" box="[189,314,481,507]" pageId="23" pageNumber="24">Diagnosis:</emphasis>
—Morphologically similar to
<taxonomicName id="C2934D45FFD65117FD5FFBEDFFCCBCF9" authority="Schrader (1818: 916)" authorityName="Schrader" authorityPageNumber="916" authorityYear="1818" box="[650,1160,482,508]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="gemmiferum">
<emphasis id="37E7EAD4FFD65117FD5FFBEDF8D7BCF9" box="[650,915,482,508]" italics="true" pageId="23" pageNumber="24">Asplenium gemmiferum</emphasis>
<bibRefCitation id="61024B37FFD65117FC4FFBEDFFCCBCF9" author="Schrader, H. A." box="[922,1160,482,508]" pageId="23" pageNumber="24" pagination="913 - 920" refId="ref35083" refString="Schrader, H. A. (1818) Analecta ad Floram Capensem Sect. I. Filices, Lycopodineae. Gottingische gelehrte Anzeigen 2 (92): 913 - 920. [J. C. Baier.]" type="journal article" year="1818">Schrader (1818: 916)</bibRefCitation>
</taxonomicName>
but differs in the constant lack of apical gemmae, and the pinna margins that are slightly to coarsely crenulate (subentire to minutely and regularly shallowly crenate in
<taxonomicName id="C2934D45FFD65117FEA6F825F95BBF41" authorityName="Schrader" authorityYear="1818" box="[371,543,554,580]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="gemmiferum">
<emphasis id="37E7EAD4FFD65117FEA6F825F95BBF41" box="[371,543,554,580]" italics="true" pageId="23" pageNumber="24">A. gemmiferum</emphasis>
</taxonomicName>
).
<taxonomicName id="C2934D45FFD65117FDEDF825F9A0BF41" authorityName="Schrader" authorityYear="1818" box="[568,740,554,580]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="gemmiferum">
<emphasis id="37E7EAD4FFD65117FDEDF825F9A0BF41" box="[568,740,554,580]" italics="true" pageId="23" pageNumber="24">A. gemmiferum</emphasis>
</taxonomicName>
has rhizome scales
<quantity id="C26B9B23FFD65117FC12F825FF77BF41" box="[967,1075,554,580]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.4" metricValueMin="0.9" pageId="23" pageNumber="24" unit="mm" value="11.5" valueMax="14.0" valueMin="9.0">9–14 mm</quantity>
×
<quantity id="C26B9B23FFD65117FB87F825FFF6BF41" box="[1106,1202,554,580]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="23" pageNumber="24" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
, lanceolate, attenuate, irregularly fimbriate, while
<taxonomicName id="C2934D45FFD65117FE6AF841F9C7BF6D" box="[447,643,590,616]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FE6AF841F9C7BF6D" box="[447,643,590,616]" italics="true" pageId="23" pageNumber="24">A. markusbeckeri</emphasis>
</taxonomicName>
has smaller rhizome scales (
<quantity id="C26B9B23FFD65117FC11F841FF2DBF6D" box="[964,1129,590,617]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="7.74" metricValueMin="5.26" pageId="23" pageNumber="24" unit="mm" value="6.5" valueMax="7.74" valueMin="5.26">5.26–7.74 mm</quantity>
×
<quantity id="C26B9B23FFD65117FB53F841FE6EBF6D" box="[1158,1322,590,616]" metricMagnitude="-3" metricUnit="m" metricValue="1.515" metricValueMax="1.82" metricValueMin="1.21" pageId="23" pageNumber="24" unit="mm" value="1.515" valueMax="1.82" valueMin="1.21">1.21–1.82 mm</quantity>
) (
<figureCitation id="9DA82A43FFD65117FA94F841FED1BF6D" box="[1345,1429,590,616]" captionStart="FIGURE 12" captionStartId="27.[136,229,1955,1977]" captionTargetBox="[314,1278,227,1896]" captionTargetId="figure-18@27.[284,1300,193,1931]" captionTargetPageId="27" captionText="FIGURE 12. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov. Scales.—A. Scale from rachis.—B–D. Rhizome scales. Photographs: E.Fischer &amp; W.Lobin, from Type M. Becker 474. Scale bars. 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8248988" httpUri="https://zenodo.org/record/8248988/files/figure.png" pageId="23" pageNumber="24">Fig. 12</figureCitation>
).
</paragraph>
<paragraph id="052C36C6FFD65117FF68F87DFA34BFD1" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
The morphologically similar
<taxonomicName id="C2934D45FFD65117FDC7F87DF9F8BF89" authorityName="Pichi Sermolli" authorityYear="1940" box="[530,700,626,652]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="ceii">
<emphasis id="37E7EAD4FFD65117FDC7F87DF9F8BF89" box="[530,700,626,652]" italics="true" pageId="23" pageNumber="24">Asplenium ceii</emphasis>
</taxonomicName>
also lacks gemmae, but differs in having only 3–9 pinna pairs, distinctly crenulate pinna margins (slightly to coarsely crenulate in
<taxonomicName id="C2934D45FFD65117FCACF899FF79BFB5" box="[889,1085,662,688]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FCACF899FF79BFB5" box="[889,1085,662,688]" italics="true" pageId="23" pageNumber="24">A. markusbeckeri</emphasis>
</taxonomicName>
) and 10–15 sori pairs, vs.
<quantity id="C26B9B23FFD65117FAB0F899FBDABFD1" metricMagnitude="-1" metricUnit="m" metricValue="5.461" metricValueMax="6.858" metricValueMin="4.064" pageId="23" pageNumber="24" unit="in" value="21.5" valueMax="27.0" valueMin="16.0">16–27 in</quantity>
<taxonomicName id="C2934D45FFD65117FF70F8B5FA2DBFD1" box="[165,361,698,724]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FF70F8B5FA2DBFD1" box="[165,361,698,724]" italics="true" pageId="23" pageNumber="24">A. markusbeckeri</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="052C36C6FFD65117FF68F8D1FE4CBE45" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
The spores of
<taxonomicName id="C2934D45FFD65117FE89F8D1F93ABFFD" box="[348,638,734,760]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FE89F8D1F93ABFFD" box="[348,638,734,760]" italics="true" pageId="23" pageNumber="24">Asplenium markusbeckeri</emphasis>
</taxonomicName>
have an alate ecto-perispore with reticulate meso-perispore bearing only few holes while the meso-perispore of
<taxonomicName id="C2934D45FFD65117FD96F90DF9B4BE19" authorityName="Schrader" authorityYear="1818" box="[579,752,770,796]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="gemmiferum">
<emphasis id="37E7EAD4FFD65117FD96F90DF9B4BE19" box="[579,752,770,796]" italics="true" pageId="23" pageNumber="24">A. gemmiferum</emphasis>
</taxonomicName>
is distinctly reticulate bearing numerous holes (
<figureCitation id="9DA82A43FFD65117FAC7F90DFEE4BE19" box="[1298,1440,770,796]" captionStart="FIGURE 13" captionStartId="28.[136,229,1366,1388]" captionTargetBox="[151,1420,194,1332]" captionTargetId="figure-26@28.[150,1434,193,1342]" captionTargetPageId="28" captionText="FIGURE 13. Asplenium markusbeckeri Eb.Fisch. &amp; Lobin sp. nov. Spores.—A–C. A. gemmiferum Spores.—D. Photographs: E.Fischer, W.Lobin &amp; Y.Malkowsky, A–C. M. Becker 474; D J.Léonard 2857. Scale bars: A, B. 10 µm; C. 8 µm; D.10 µm." figureDoi="http://doi.org/10.5281/zenodo.8248992" httpUri="https://zenodo.org/record/8248992/files/figure.png" pageId="23" pageNumber="24">Fig. 13 E–F</figureCitation>
). The meso-perispore of
<taxonomicName id="C2934D45FFD65117FE58F929F976BE45" authorityName="Pichi Sermolli" authorityYear="1940" box="[397,562,806,832]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="ceii">
<emphasis id="37E7EAD4FFD65117FE58F929F976BE45" box="[397,562,806,832]" italics="true" pageId="23" pageNumber="24">Asplenium ceii</emphasis>
</taxonomicName>
is also distinctly reticulate and similar to that of
<taxonomicName id="C2934D45FFD65117FB83F929FE45BE45" authorityName="Schrader" authorityYear="1818" box="[1110,1281,806,832]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="gemmiferum">
<emphasis id="37E7EAD4FFD65117FB83F929FE45BE45" box="[1110,1281,806,832]" italics="true" pageId="23" pageNumber="24">A. gemmiferum</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="052C36C6FFD65117FF68F945F809BEA9" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
The Southern African
<taxonomicName id="C2934D45FFD65117FE66F945F820BE60" authority="Kunze (1836: 511)" authorityName="Kunze" authorityPageNumber="511" authorityYear="1836" box="[435,868,842,869]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="prionitis">
<emphasis id="37E7EAD4FFD65117FE66F945F9CABE61" box="[435,654,842,868]" italics="true" pageId="23" pageNumber="24">Asplenium prionitis</emphasis>
<bibRefCitation id="61024B37FFD65117FD41F945F820BE60" author="Kunze, G." box="[660,868,842,869]" pageId="23" pageNumber="24" pagination="481 - 570" refId="ref33632" refString="Kunze, G. (1836) Acotyledonearum Africae australioris recensio nova. Linnaea 10: 481 - 570." type="journal article" year="1836">Kunze (1836: 511)</bibRefCitation>
</taxonomicName>
also lacks gemmae. It differs from
<taxonomicName id="C2934D45FFD65117FB3CF945FEE8BE61" box="[1257,1452,842,868]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FB3CF945FEE8BE61" box="[1257,1452,842,868]" italics="true" pageId="23" pageNumber="24">A. markusbeckeri</emphasis>
</taxonomicName>
in the rhizome scales
<quantity id="C26B9B23FFD65117FE57F961FA80BE8D" box="[386,452,878,904]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="23" pageNumber="24" unit="mm" value="8.0">8 mm</quantity>
long, the pinnae in 6 pairs, with margin sharply serrate-dentate, and the pinnae sharply attenuate (tapering into an attenuate apex in
<taxonomicName id="C2934D45FFD65117FDACF99DF879BEA9" box="[633,829,914,940]" class="Polypodiopsida" family="Aspleniaceae" genus="Asplenium" kingdom="Plantae" order="Polypodiales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="markusbeckeri">
<emphasis id="37E7EAD4FFD65117FDACF99DF879BEA9" box="[633,829,914,940]" italics="true" pageId="23" pageNumber="24">A. markusbeckeri</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="4D89654DFFD65117FF68F9BAFAB3B859" pageId="23" pageNumber="24" type="description">
<paragraph id="052C36C6FFD65117FF68F9BAFAB3B859" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68F9BAFA15BECA" bold="true" box="[189,337,949,975]" pageId="23" pageNumber="24">Description:</emphasis>
—Terrestrial or epiphytic,
<quantity id="C26B9B23FFD65117FDABF9B9F9BFBED5" box="[638,763,950,976]" metricMagnitude="-1" metricUnit="m" metricValue="9.0" metricValueMax="12.0" metricValueMin="6.0" pageId="23" pageNumber="24" unit="cm" value="90.0" valueMax="120.0" valueMin="60.0">60–120 cm</quantity>
tall.
<emphasis id="37E7EAD4FFD65117FCE3F9B9F8D2BED5" box="[822,918,950,976]" italics="true" pageId="23" pageNumber="24">Rhizome</emphasis>
erect, to
<quantity id="C26B9B23FFD65117FBD4F9B9FF14BED5" box="[1025,1104,950,976]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="24" unit="mm" value="20.0">20 mm</quantity>
diameter with brown to black, lanceolate acuminate irregularly fimbriate rhizome-scales, 5.26–7.74 ×
<quantity id="C26B9B23FFD65117FC1AF9D5FF3DBEF1" box="[975,1145,986,1012]" metricMagnitude="-3" metricUnit="m" metricValue="1.515" metricValueMax="1.82" metricValueMin="1.21" pageId="23" pageNumber="24" unit="mm" value="1.515" valueMax="1.82" valueMin="1.21">1.21–1.82 mm</quantity>
, composed of thin-walled cells.
<emphasis id="37E7EAD4FFD65117FF19F9F1FA58B91D" box="[204,284,1022,1048]" italics="true" pageId="23" pageNumber="24">Fronds</emphasis>
tufted, arching, somewhat fleshy, to
<quantity id="C26B9B23FFD65117FD1CF9F1F854B91D" box="[713,784,1022,1048]" metricMagnitude="-1" metricUnit="m" metricValue="8.0" pageId="23" pageNumber="24" unit="cm" value="80.0">80 cm</quantity>
long.
<emphasis id="37E7EAD4FFD65117FC89F9F1F8DBB91D" box="[860,927,1022,1048]" italics="true" pageId="23" pageNumber="24">Stipes</emphasis>
matte grey to brown above and green below, canaliculate,
<quantity id="C26B9B23FFD65117FEC9FE2DFACFB939" box="[284,395,1058,1084]" metricMagnitude="-1" metricUnit="m" metricValue="2.6" metricValueMax="3.0" metricValueMin="2.2" pageId="23" pageNumber="24" unit="cm" value="26.0" valueMax="30.0" valueMin="22.0">22–30 cm</quantity>
long and
<quantity id="C26B9B23FFD65117FE2FFE2DF97FB939" box="[506,571,1058,1084]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="23" pageNumber="24" unit="mm" value="3.0">3 mm</quantity>
diameter, at first densely clothed with subulate clathrate subentire or fimbriate scales, gradually becoming subglabrous.
<taxonomicName id="C2934D45FFD65117FD8BFE48F9F0B965" box="[606,692,1095,1120]" class="Arachnida" family="Toxopidae" genus="Lamina" kingdom="Animalia" order="Araneae" pageId="23" pageNumber="24" phylum="Arthropoda" rank="genus">
<emphasis id="37E7EAD4FFD65117FD8BFE48F9F0B965" box="[606,692,1095,1120]" italics="true" pageId="23" pageNumber="24">Lamina</emphasis>
</taxonomicName>
oblong-lanceolate, 1-pinnate, 40–100 ×(30–)
<quantity id="C26B9B23FFD65117FB6DFE49FE74B965" box="[1208,1328,1094,1120]" metricMagnitude="-1" metricUnit="m" metricValue="3.7" metricValueMax="4.0" metricValueMin="3.4" pageId="23" pageNumber="24" unit="cm" value="37.0" valueMax="40.0" valueMin="34.0">34–40 cm</quantity>
.
<emphasis id="37E7EAD4FFD65117FAE8FE48FEC8B965" box="[1341,1420,1095,1120]" italics="true" pageId="23" pageNumber="24">Pinnae</emphasis>
in 7–9 pairs, alternate, coriaceous when fresh, dark green and shiny above, lanceolate to narrowly elliptic, 1–20 ×
<quantity id="C26B9B23FFD65117FAAFFE65FB92B9AD" metricMagnitude="-2" metricUnit="m" metricValue="4.3" metricValueMax="4.8" metricValueMin="3.8" pageId="23" pageNumber="24" unit="cm" value="4.3" valueMax="4.8" valueMin="3.8">3.8– 4.8 cm</quantity>
at base, petiolate, petiole
<quantity id="C26B9B23FFD65117FDD0FE81F936B9AD" box="[517,626,1166,1192]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" metricValueMax="1.7" metricValueMin="0.9" pageId="23" pageNumber="24" unit="mm" value="13.0" valueMax="17.0" valueMin="9.0">9–17 mm</quantity>
long, unequally cuneate at the base with the acroscopic base parallel to the rachis and the basiscopic one cuneate, up to
<quantity id="C26B9B23FFD65117FD64FEBDF9BBB9C9" box="[689,767,1202,1229]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="23" pageNumber="24" unit="cm" value="2.5">2.5 cm</quantity>
long, margin slightly to coarsely crenulate, tapering into an acuminate apex, glabrous or nearly so; basal pinnae slightly reduced, terminal pinna similar to other pinnae.
<emphasis id="37E7EAD4FFD65117FAA5FED8FEEFB9F5" box="[1392,1451,1239,1264]" italics="true" pageId="23" pageNumber="24">Veins</emphasis>
forked.
<emphasis id="37E7EAD4FFD65117FF0AFEF5FA4AB811" box="[223,270,1274,1300]" italics="true" pageId="23" pageNumber="24">Sori</emphasis>
equally spread along the veins at 45° to midrib, 16–27 pairs, usually extending from near the costa almost to the margin; indusia linear membranous, entire, ±
<quantity id="C26B9B23FFD65117FD1CFF11F84EB83D" box="[713,778,1310,1336]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="23" pageNumber="24" unit="mm" value="1.0">1 mm</quantity>
wide.
<emphasis id="37E7EAD4FFD65117FC81FF11F8DBB83D" box="[852,927,1310,1336]" italics="true" pageId="23" pageNumber="24">Spores</emphasis>
with alate ecto-perispore with reticulate meso-perispore bearing only few holes
</paragraph>
</subSubSection>
<subSubSection id="4D89654DFFD65117FF68FF69FA0DBB31" pageId="23" pageNumber="24" type="etymology">
<paragraph id="052C36C6FFD65117FF68FF69FAF1B8E9" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FF69FA0CB885" bold="true" box="[189,328,1382,1408]" pageId="23" pageNumber="24">Etymology:</emphasis>
—The species name refers to Markus Becker, who studied the ferns of Kahuzi-Biéga National Park and Idjwi Island in his Master thesis in 1993. He already wrote: „Vorkommen scheint auf einzigen Fundort beschränkt zu sein; mit hoher Wahrscheinlichkeit neue Art“ (the distribution seems to be restricted to one locality, with high probability a new species).
</paragraph>
<paragraph id="052C36C6FFD65117FF68FFFAFA0DBB31" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FFFAFA67BB0A" bold="true" box="[189,291,1525,1551]" pageId="23" pageNumber="24">Habitat:</emphasis>
—Terrestrial or epiphyte on lower mossy branches in montane rainforest, elev.
<quantity id="C26B9B23FFD65117FB46FFF9FFACBB15" box="[1171,1256,1526,1553]" metricMagnitude="3" metricUnit="m" metricValue="1.625" pageId="23" pageNumber="24" unit="m" value="1625.0">1625 m</quantity>
in
<collectingCountry id="7D847656FFD65117FADFFFF9FE2DBB15" box="[1290,1385,1526,1552]" name="Rwanda" pageId="23" pageNumber="24">Rwanda</collectingCountry>
,
<quantity id="C26B9B23FFD65117FAA6FFF9FBDABB31" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="24" unit="m" value="2000.0">2000 m</quantity>
in D.R.
<collectingCountry id="7D847656FFD65117FF26FC15FA01BB31" box="[243,325,1562,1588]" name="Democratic Republic of the Congo" pageId="23" pageNumber="24">Congo</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="4D89654DFFD65117FF68FC32FF9CBA51" pageId="23" pageNumber="24" type="distribution">
<paragraph id="052C36C6FFD65117FF68FC32FF7EBB5D" blockId="23.[136,1452,373,1876]" box="[189,1082,1597,1624]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FC32F99ABB52" bold="true" box="[189,734,1597,1624]" pageId="23" pageNumber="24">
Distribution in
<collectingCountry id="7D847656FFD65117FEA0FC31FA99BB5D" box="[373,477,1598,1624]" name="Rwanda" pageId="23" pageNumber="24">Rwanda</collectingCountry>
:—Northern Province
</emphasis>
: Volcano NP, Ibuhanga Forest.
</paragraph>
<paragraph id="052C36C6FFD65117FF68FC6EFF94BB79" blockId="23.[136,1452,373,1876]" box="[189,1232,1633,1660]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FC6EFAF8BB7E" bold="true" box="[189,444,1633,1659]" pageId="23" pageNumber="24">General distribution:</emphasis>
—D.R.
<collectingCountry id="7D847656FFD65117FDDEFC6DF91EBB79" box="[523,602,1634,1660]" name="Democratic Republic of the Congo" pageId="23" pageNumber="24">Congo</collectingCountry>
, summit area of Idjwi Island;
<collectingCountry id="7D847656FFD65117FC7FFC6DFF4DBB79" box="[938,1033,1634,1660]" name="Rwanda" pageId="23" pageNumber="24">Rwanda</collectingCountry>
, Ibuhanga Forest.
</paragraph>
<paragraph id="052C36C6FFD65117FF68FC8AFECDBBC1" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FC8AF9F5BBA5" bold="true" box="[189,689,1669,1696]" pageId="23" pageNumber="24">
Additional specimen seen (
<typeStatus id="DA288864FFD65117FDC1FC8AF9CCBB9A" box="[532,648,1669,1695]" pageId="23" pageNumber="24" type="paratype">Paratype</typeStatus>
):—
</emphasis>
<materialsCitation id="B5FB3C9BFFD65117FD64FC89FEC1BBC1" collectingDate="2009-03-30" collectionCode="KOBL" collectorName="Volcano NP &amp; E. Fischer" elevation="1625" latitude="-1.5701555" location="Ibuhanga Forest" longLatPrecision="1" longitude="29.635603" pageId="23" pageNumber="24" specimenCount="1" stateProvince="Northern">
<emphasis id="37E7EAD4FFD65117FD64FC89F8E7BB9A" bold="true" box="[689,931,1669,1696]" pageId="23" pageNumber="24">
<collectingRegion id="C757F824FFD65117FD64FC89F8DABB9A" box="[689,926,1669,1696]" country="Zambia" name="Northern" pageId="23" pageNumber="24">Northern Province</collectingRegion>
:
</emphasis>
<collectorName id="A8665310FFD65117FC64FC89FF04BBA5" box="[945,1088,1670,1696]" pageId="23" pageNumber="24">Volcano NP</collectorName>
,
<location id="004C601DFFD65117FB86FC89FE57BBA5" LSID="urn:lsid:plazi:treatment:8D3A87D0FFD65117FF5DFB7AFF9CBA51:004C601DFFD65117FB86FC89FE57BBA5" box="[1107,1299,1670,1696]" latitude="-1.5701555" longLatPrecision="1" longitude="29.635603" name="Ibuhanga Forest" pageId="23" pageNumber="24" stateProvince="Northern">Ibuhanga Forest</location>
, epiphyte in submontane forest on lava rocks,
<quantity id="C26B9B23FFD65117FDD5FCA5F913BBC1" box="[512,599,1706,1733]" metricMagnitude="3" metricUnit="m" metricValue="1.625" pageId="23" pageNumber="24" unit="m" value="1625.0">
<elevation id="8EBED1F5FFD65117FDD5FCA5F913BBC1" box="[512,599,1706,1733]" metricMagnitude="3" metricUnit="m" metricValue="1.625" pageId="23" pageNumber="24" unit="m" value="1625.0">1625 m</elevation>
</quantity>
,
<geoCoordinate id="60A75001FFD65117FDB6FCA5F847BBC0" box="[611,771,1706,1733]" degrees="1" direction="south" minutes="34" orientation="latitude" pageId="23" pageNumber="24" precision="1" seconds="12.56" value="-1.5701555">S1°34`12.56``</geoCoordinate>
<geoCoordinate id="60A75001FFD65117FCDFFCA5F8F8BBC1" box="[778,956,1706,1732]" degrees="29" direction="east" minutes="38" orientation="longitude" pageId="23" pageNumber="24" precision="1" seconds="08.17" value="29.635603">E29°38`08.17``</geoCoordinate>
,
<date id="712D1006FFD65117FC12FCA5FF31BBC1" box="[967,1141,1706,1732]" pageId="23" pageNumber="24" value="2009-03-30">
<collectingDate id="6169E9EEFFD65117FC12FCA5FF31BBC1" box="[967,1141,1706,1732]" pageId="23" pageNumber="24" value="2009-03-30">30 March 2009</collectingDate>
</date>
,
<emphasis id="37E7EAD4FFD65117FB55FCA5FE58BBC1" box="[1152,1308,1706,1732]" italics="true" pageId="23" pageNumber="24">
<collectorName id="A8665310FFD65117FB55FCA5FFAABBC1" box="[1152,1262,1706,1732]" pageId="23" pageNumber="24">E.Fischer</collectorName>
s.n.
</emphasis>
(
<collectionCode id="6382AE03FFD65117FAFEFCA5FE39BBC1" box="[1323,1405,1706,1732]" pageId="23" pageNumber="24">KOBL</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="052C36C6FFD65117FF68FCC2FF9CBA51" blockId="23.[136,1452,373,1876]" pageId="23" pageNumber="24">
<emphasis id="37E7EAD4FFD65117FF68FCC2FAFFBBE2" bold="true" box="[189,443,1741,1767]" pageId="23" pageNumber="24">Conservation Status:</emphasis>
—With only two collecting sites, it is not possible to calculate an Extent of Occurrence (EOO).
<emphasis id="37E7EAD4FFD65117FF36FCFEF9C0BBFA" bold="true" box="[227,644,1777,1804]" pageId="23" pageNumber="24">
EOO: not applicable; AOO:
<quantity id="C26B9B23FFD65117FDEBFCFDF938BA09" box="[574,636,1778,1804]" metricMagnitude="3" metricUnit="m" metricValue="8.0" pageId="23" pageNumber="24" unit="km" value="8.0">8 km</quantity>
<superScript id="F2E69B8EFFD65117FDA9FCFEF9C0BBFA" attach="left" box="[636,644,1777,1791]" fontSize="6" pageId="23" pageNumber="24">2</superScript>
</emphasis>
. The area of occupancy (AOO) falls within the limits for the Critically Endangered category. One collecting site is situated outside any protected area, and is under great threat of montane forest habitat loss which is the result of increasing human population pressure on the environment.
</paragraph>
</subSubSection>
</treatment>
</document>
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