211 lines
19 KiB
XML
211 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.235.111020" ID-Pensoft-Pub="1314-2003-235-83" ID-Pensoft-UUID="DAE8B14D13855B5FAEB8B73D9910F4F7" ModsDocID="1314-2003-235-83" checkinTime="1700073962796" checkinUser="pensoft" docAuthor="Sennikov, Alexander N. & Kozhin, Mikhail N." docDate="2023" docId="B35FB63A383A5E6BB0B38250D89ADD06" docLanguage="en" docName="PhytoKeys 235: 83-128" docOrigin="PhytoKeys 235" docPubDate="2023-11-15" docSource="http://dx.doi.org/10.3897/phytokeys.235.111020" docTitle="Erigeron pilosiusculus Sennikov, sp. 2023, hybr. nov." docType="treatment" docVersion="1" id="DAE8B14D13855B5FAEB8B73D9910F4F7" lastPageNumber="83" masterDocId="DAE8B14D13855B5FAEB8B73D9910F4F7" masterDocTitle="Taxonomic revision of the Erigeron acris group (Asteraceae) in Murmansk Region, Russia, reveals a complex pattern of native and alien taxa" masterLastPageNumber="128" masterPageNumber="83" pageNumber="83" updateTime="1700073962796" updateUser="pensoft">
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<mods:title id="11AE3CE3758C0D533BEDE4CAA9606BD8">Taxonomic revision of the Erigeron acris group (Asteraceae) in Murmansk Region, Russia, reveals a complex pattern of native and alien taxa</mods:title>
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<mods:name id="5A8CC9B530B3AC5FB832348F1E73ECEB" type="personal">
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<mods:roleTerm id="4760DBD24C48082130CDBE2D5FEB1BE3">Author</mods:roleTerm>
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<mods:namePart id="396EB7C37532CBA713B76EA4043D882D">Sennikov, Alexander N.</mods:namePart>
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<mods:nameIdentifier id="23ACE723BFF08FBD48CE73E6AF60ACE3" type="ORCID">https://orcid.org/0000-0001-6664-7657</mods:nameIdentifier>
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<mods:affiliation id="36829E2AE9AF7EB0A7E852918DDB06C1">Botanical Museum, Finnish Museum of Natural History, University of Helsinki, Helsinki 00014, Finland</mods:affiliation>
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<mods:nameIdentifier id="54BDC7A25774CA146905E0D81EDCC58C" type="email">alexander.sennikov@helsinki.fi</mods:nameIdentifier>
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</mods:role>
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<mods:namePart id="16AB77A7BE2A4B6BFE05B07FDAA8C7FA">Kozhin, Mikhail N.</mods:namePart>
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<mods:nameIdentifier id="38D21EAFEAE1E89012C717D40453148E" type="ORCID">https://orcid.org/0000-0002-0153-0287</mods:nameIdentifier>
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<mods:affiliation id="AD7BAD2AB2F7A81644A49674D5DF84E4">Avrorin Polar-Alpine Botanical Garden-Institute of Kola Science Centre of the Russian Academy of Sciences, Apatity 184209, Russia</mods:affiliation>
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<mods:typeOfResource id="C000D6296B83CAC6BA9DA09A49B6308F">text</mods:typeOfResource>
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<mods:title id="D2DD911D5578AD90ECF58C7DACB54BF3">PhytoKeys</mods:title>
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<mods:part id="BBF45C602CC76F486C42EF772AA6D4FA">
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<mods:date id="1BC39E3A0C721605CABF04DFB2257BDC">2023</mods:date>
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<mods:number id="32358495A1DC31087BAF7D4D5FF51C53">2023-11-15</mods:number>
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<mods:number id="67C5E96E5FAA7FFA93B205AC5F0626A8">235</mods:number>
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<mods:start id="03E1B2C41C190D5016F0E6E0A03407BC">83</mods:start>
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<mods:end id="E5C6D0FFB883C41429CA13214D453E31">128</mods:end>
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<mods:url id="3987F8E9C68FBC8FDA6C26582D1A9348">http://dx.doi.org/10.3897/phytokeys.235.111020</mods:url>
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<mods:classification id="3AC5B97D7EC2061AF7CD07F611FE8A8C">journal article</mods:classification>
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<mods:identifier id="F5565E48A92E1C04EA2B7C9382DEEFA2" type="DOI">http://dx.doi.org/10.3897/phytokeys.235.111020</mods:identifier>
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<mods:identifier id="7B1BFA4CF8ADD641205177C1E81BDAAE" type="Pensoft-Pub">1314-2003-235-83</mods:identifier>
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</mods:mods>
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<treatment id="B35FB63A383A5E6BB0B38250D89ADD06" LSID="urn:lsid:plazi:treatment:B35FB63A383A5E6BB0B38250D89ADD06" httpUri="http://treatment.plazi.org/id/B35FB63A383A5E6BB0B38250D89ADD06" lastPageNumber="83" pageId="0" pageNumber="83">
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<subSubSection id="6880C756C8FBB29238F97AFE908E5361" pageId="0" pageNumber="83" type="nomenclature">
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<paragraph id="301D8828EB707D7F8C598ABA3D9E36D8" pageId="0" pageNumber="83">
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2.
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<taxonomicName id="798AC1CC1B935DE73612AAE6C99027DF" LSID="B35FB63A-383A-5E6B-B0B3-8250D89ADD06" authority="Sennikov, sp." authorityName="Sennikov, sp." authorityYear="2023" class="Magnoliopsida" family="Asteraceae" genus="Erigeron" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Erigeron pilosiusculus" order="Asterales" pageId="0" pageNumber="83" phylum="Tracheophyta" rank="species" species="pilosiusculus" status="hybr. nov.">
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Erigeron
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<normalizedToken id="A2702CF778A80A31EEC2D3F20D2A7531" originalValue="×">x</normalizedToken>
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pilosiusculus Sennikov, sp.
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</taxonomicName>
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<taxonomicNameLabel id="79C7F011EF7FD43DEBD988071503AFCB" pageId="0" pageNumber="83">hybr. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="A771A5B4A2993518EC5A62B7452079C2" pageId="0" pageNumber="83" type="description">
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||
<paragraph id="16FFB4FF1BF5A1FA920ED7594E1DEB89" pageId="0" pageNumber="83">
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<figureCitation id="3DF4A77D8711815C402975D6959BCB9A" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Holotype of Erigeron x pilosiusculus Sennikov (H 039503, plant 1). Courtesy of the Finnish Museum of Natural History, University of Helsinki." figureDoi="10.3897/phytokeys.235.111020.figure5" httpUri="https://binary.pensoft.net/fig/936287" pageId="0" pageNumber="83">Fig. 5</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="2564128FB9BB0C6368879055FBCC42A5" pageId="0" pageNumber="83" type="materials_examined">
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||
<paragraph id="B43A7566F6B5B005C4E651094C68A0CC" pageId="0" pageNumber="83">
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<typeStatus id="4790E1B4B62156D8E6821834B8AAA8A4">Type</typeStatus>
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.
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</paragraph>
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<paragraph id="3618396FD479477EDD8A90EA5EEA25CB" pageId="0" pageNumber="83">
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<materialsCitation id="57E9358EC59DE23B221D31ADFB7F2C76" collectingDate="1936-07-29" collectorName="H. Lindberg" country="Russia" county="Kauppila" location="Karelian Republic" municipality="Paanajaervi" specimenCount="1" typeStatus="holotype">
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<collectingCountry id="04B214577F646966F0CBA1082FC66ADC" name="Russia">Russia</collectingCountry>
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.
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<location id="CDD0B4CA6087A9BD8C735EFE24050CAA" LSID="urn:lsid:plazi:treatment:B35FB63A383A5E6BB0B38250D89ADD06:CDD0B4CA6087A9BD8C735EFE24050CAA" country="Russia" county="Kauppila" municipality="Paanajaervi" name="Karelian Republic">Karelian Republic</location>
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:
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<normalizedToken id="9156F7A3FC617FB42060C07E6F92B440" originalValue="Paanajärvi">
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<collectingMunicipality id="CFD62321D9B86C9E668B289F35AA4359">Paanajaervi</collectingMunicipality>
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</normalizedToken>
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,
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<collectingCounty id="9F5F9059BEFBC5C5F674CDEBE1D6958D">Kauppila</collectingCounty>
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, torr mark
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<normalizedToken id="35734F025CB09306563E680590EE283B" originalValue="nära">naera</normalizedToken>
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<normalizedToken id="3AE7DD7E1F02BE8FB94AADBB981555B4" originalValue="gården">garden</normalizedToken>
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[= in colle sicco],
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<collectingDate id="111639FDC657BBEE5261B791206C3584" value="1936-07-29">29.07.1936</collectingDate>
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,
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<emphasis id="0F78A691657C0454C7FEEC7AED22772D" italics="true" pageId="0" pageNumber="83">
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<collectorName id="6539C9D28EA50AE7532A59DD2C81D914">H. Lindberg</collectorName>
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</emphasis>
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[
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<taxonomicName id="BDA38969139D757438D706B4C344E9DB" kingdom="Plantae" lsidName="" pageId="0" pageNumber="83" rank="kingdom">Plantae</taxonomicName>
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Finlandiae Exsiccatae no. 1369] (
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<typeStatus id="D40A0BBD666652D0E69AB426A2FB6BB4">holotype</typeStatus>
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H 039503 pro parte [plant 1]; isotypes H 339935 pro parte, OULU 059259)
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</materialsCitation>
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.
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</paragraph>
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<caption id="FC5A162B53A7FF12AB07C1F090501345" doi="10.3897/phytokeys.235.111020.figure5" httpUri="https://binary.pensoft.net/fig/936287" pageId="0" pageNumber="83" start="Figure 5" startId="F5">
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<paragraph id="2EB107B3D4E2F1A1877B3DEDCC7A650C" pageId="0" pageNumber="83">
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<emphasis id="03ED58E484DF41D004E7F65A4DB5BCDD" bold="true" pageId="0" pageNumber="83">Figure 5.</emphasis>
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<typeStatus id="4C9DB38D1D1D81C668B7CCA0F81BDCC9">Holotype</typeStatus>
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of
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<taxonomicName id="A14ADE4BF56C788DABD7EE2FF3133936" class="Magnoliopsida" family="Asteraceae" genus="Erigeron" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Erigeron pilosiusculus" order="Asterales" pageId="0" pageNumber="83" phylum="Tracheophyta" rank="species" species="pilosiusculus">
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<emphasis id="DCA2186CE12DCBD7DACF7A455C8AD1AC" italics="true" pageId="0" pageNumber="83">
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Erigeron
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<normalizedToken id="A1BF635B82250C59AB5578BA12E1EC9F" originalValue="×">x</normalizedToken>
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pilosiusculus
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</emphasis>
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</taxonomicName>
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Sennikov (H 039503, plant 1). Courtesy of the Finnish Museum of Natural History, University of Helsinki.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="B9AA9F1F87FFF6FEDA453FA41598CE58" pageId="0" pageNumber="83" type="description">
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<paragraph id="943B1FEE75629F526BB297F6516CE391" pageId="0" pageNumber="83">Description.</paragraph>
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<paragraph id="F920B1DD84F5B74D5E0706654B96C3C8" pageId="0" pageNumber="83">Stems 25-50 cm tall, branched in the upper third, intensely to slightly purple-coloured, covered by sparse to numerous hairs 0.5-1 mm long mostly in the basal half. Cauline leaves 4-8 under the synflorescence, spaced, gradually decreasing towards the stem top, unevenly covered by sparse hairs 0.5-1 mm long on both sides. Synflorescence with long branches carrying solitary to 2-3 capitula, nearly corymbose at the top, branches subglabrous or with sparse hairs. Phyllaries 6-7.5 mm long, purple-coloured completely or near the apex, covered by sparse hairs in the basal part or up to the apex. Ray flowers dark-lilac to pale-pinkish. Pappus greyish-white.</paragraph>
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<paragraph id="4BC0F30B7E1737D33B909C01C4135D57" pageId="0" pageNumber="83">
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Flowers in July, fruits in July to August. As evident from the plants collected in mixed populations, the flowering and fruiting of the hybrid occur earlier than in its native parent,
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<taxonomicName id="53A204F2917D9A0E08588B24D794AA3E" authorityName="Fr. in Bot. Not. 1843: 120" authorityYear="1843" class="Magnoliopsida" family="Asteraceae" genus="Erigeron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Erigeron politus" order="Asterales" pageId="0" pageNumber="83" phylum="Tracheophyta" rank="species" species="politus">
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<emphasis id="B36FBEAC54C9016F44AB95E0F7A21589" italics="true" pageId="0" pageNumber="83">Erigeron politus</emphasis>
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</taxonomicName>
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. When plants of
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<taxonomicName id="5CF87CA793D1DA989C3E2212F17CCF33" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
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<emphasis id="87338780F12A171FDC6FDB2F718DFC90" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
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</taxonomicName>
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start to blossom, the hybrid is already in the last flowers. Distribution in Murmansk Region. Kandalaksha Gulf, Turii Mys, Varzuga River (lower course), Ponoi River (lower course) (Fig.
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<figureCitation id="D0ABA2B177AC601D38BAD6B1758EC290" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution of the Erigeron acris group in Murmansk Region, Russia A E. politus F. B E. x pilosiusculus Sennikov C E. rigidus Fr. D E. x intercalaris Sennikov. Origin and residence status: green - native; yellow - pre-industrial alien; red - industrial alien. Maps were created using ArcGIS software by Esri. ArcGIS is the intellectual property of Esri and is used herein under license. Copyright Esri. All rights reserved." figureDoi="10.3897/phytokeys.235.111020.figure4" httpUri="https://binary.pensoft.net/fig/936286" pageId="0" pageNumber="83">4B</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="218E77A29BFD8DDA0CB9956E9A87997A" pageId="0" pageNumber="83" type="distribution">
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<paragraph id="4BDB43D41163627ADC35BE3D9266D759" pageId="0" pageNumber="83">Global distribution.</paragraph>
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<paragraph id="FD2CC98475F23E61AD0CC87D15565DA6" pageId="0" pageNumber="83">Subarctic and Northern Boreal zones of Fennoscandia.</paragraph>
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</subSubSection>
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<subSubSection id="6DCB655A20F13853C5BC977205C4E9B2" pageId="0" pageNumber="83" type="etymology">
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<paragraph id="38A2179F301D3265B25686E3F830B317" pageId="0" pageNumber="83">Etymology.</paragraph>
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<paragraph id="EFA9F7F0F5BF08CFA2789E91A9F2B4E3" pageId="0" pageNumber="83">
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The species epithet, meaning 'slightly more
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<normalizedToken id="4CF215F7D0E9C4D9614139FBDA9D1B85" originalValue="hairy’">hairy'</normalizedToken>
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(
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<emphasis id="457ADC7FF5EA0D1CA10D0B28CA8B32A6" italics="true" pageId="0" pageNumber="83">pilosior</emphasis>
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, Lat.: more hairy; -
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<emphasis id="56E963153DA7078DBCE974869B4845CC" italics="true" pageId="0" pageNumber="83">usculus</emphasis>
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, Lat.: diminutive suffix), was selected to reflect a slighly greater hairiness of the hybrid in comparison to its more glabrous parent,
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<taxonomicName id="B824A67CA909A49674A66A0BD69351F6" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
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<emphasis id="59C6573FC2FEA7B557672A71D156A2EC" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="303C16C13B4EAA829F7C24C5169683A9" pageId="0" pageNumber="83" type="nomenclature note">
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<paragraph id="52222962CBD4E3F5944A08EAFF4DFEDF" pageId="0" pageNumber="83">Nomenclature note.</paragraph>
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<paragraph id="A568234FB954A56AC9E5A61E778B3735" pageId="0" pageNumber="83">
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The type collection is taxonomically mixed. It contains typical plants of
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<taxonomicName id="875F0DBFFBCD3E0357E89E9AFB9877B3" kingdom="Plantae" lsidName="E. rigidus" pageId="0" pageNumber="83" rank="species" species="rigidus">
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<emphasis id="1221E8710EFE90F622895BB88EF5A7AF" italics="true" pageId="0" pageNumber="83">E. rigidus</emphasis>
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</taxonomicName>
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and the hybrid, which is less hairy and slightly less vigorous. This collection was distributed by
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<bibRefCitation id="0FFBBC04F4B6248CBE9BA30AFFDE078C" author="Lindberg, H" journalOrPublisher="Tilgmanns tryckeri, Helsingfors" pageId="0" pageNumber="83" refId="B56" refString="Lindberg, H, 1944. Schedae Operis Quod Inscribitur Plantae Finlandiae Exsiccatae e Museo Botanico Universitatis Helsingforsiensis distributae, fasc. 21-42. Tilgmanns tryckeri, Helsingfors" title="Schedae Operis Quod Inscribitur Plantae Finlandiae Exsiccatae e Museo Botanico Universitatis Helsingforsiensis distributae, fasc. 21 - 42." year="1944">Lindberg (1944)</bibRefCitation>
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in his exsiccatae but its specimens were formed by chance: some appear to contain plants of
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<taxonomicName id="960C94AE1E1BFFEE6063E836AEDD3FA8" kingdom="Plantae" lsidName="E. rigidus" pageId="0" pageNumber="83" rank="species" species="rigidus">
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<emphasis id="4FFD21E0EC84823F31450D0C215F5A0E" italics="true" pageId="0" pageNumber="83">E. rigidus</emphasis>
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</taxonomicName>
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only (H 039491), some belong only to the hybrid (OULU 059259), whereas the others may be mixed on the same sheet (H 339935).
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</paragraph>
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</subSubSection>
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<subSubSection id="FEC1A29E04F2775061F52EF451A32C49" pageId="0" pageNumber="83" type="taxonomic note">
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<paragraph id="A998529A23F0804D2E718152AA2FB3E3" pageId="0" pageNumber="83">Taxonomic note.</paragraph>
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<paragraph id="F29157255E0CE00E1D7C2A207C3B4AA0" pageId="0" pageNumber="83">
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The morphology of this taxon is intermediate between
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<taxonomicName id="C38EE9F3D7402DB4B1A1BF444B1AC166" kingdom="Plantae" lsidName="E. rigidus" pageId="0" pageNumber="83" rank="species" species="rigidus">
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||
<emphasis id="A526C40FC2B67D4DD83D4F3E5A917ADF" italics="true" pageId="0" pageNumber="83">E. rigidus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="19E5E21E9C72E38F6DC05C5F1ED025C4" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
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<emphasis id="F710EF49F5DF5546F70C753EFCE51773" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
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</taxonomicName>
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. Such plants typically have stems and leaves rather hairy, sometimes close to the pubescence of
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<taxonomicName id="3248F055419B8EFEC71324739E76440C" kingdom="Plantae" lsidName="E. rigidus" pageId="0" pageNumber="83" rank="species" species="rigidus">
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<emphasis id="EF06DE8D07DA5517DDA43C697BA53CD4" italics="true" pageId="0" pageNumber="83">E. rigidus</emphasis>
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</taxonomicName>
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but never as dense and abundant as in the latter. On the other hand, its involucres highly resemble those of
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<taxonomicName id="B497C486F60D555B182E86D65BB64717" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
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<emphasis id="75280A8AA7B7BD1550FB17B57E50F43B" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
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</taxonomicName>
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||
but are very sparsely covered by hairs. Because of this intermediacy, such plants were identified either as
|
||
<taxonomicName id="5B788E0ABA8D6F8594F5CA5AB88438D9" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
|
||
<emphasis id="AA2EF1B6F3147AD4729C74072000B589" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
|
||
</taxonomicName>
|
||
or as
|
||
<taxonomicName id="E8B515637182FB34E31FC8AE886F5E4D" kingdom="Plantae" lsidName="E. rigidus" pageId="0" pageNumber="83" rank="species" species="rigidus">
|
||
<emphasis id="797EDCCBBA0D832E12F10A4F408017F4" italics="true" pageId="0" pageNumber="83">E. rigidus</emphasis>
|
||
</taxonomicName>
|
||
, likely depending on which part of the plant was more closely observed. We cannot refer these intermediate plants to any of the species, and therefore assume their hybrid origin, which requires a separate taxonomic placement as proposed here.
|
||
</paragraph>
|
||
<paragraph id="E45B683DA42EF9504C7E46A3C65E1FAF" pageId="0" pageNumber="83">
|
||
The distribution of the alleged hybrids lies completely within the area of intense anthropogenic influence, whereas only typical plants of
|
||
<taxonomicName id="70C3E1F954DD21DF2C447BC124E437FF" kingdom="Plantae" lsidName="E. politus" pageId="0" pageNumber="83" rank="species" species="politus">
|
||
<emphasis id="F29E3AF6F02A39361BB85EB1C2F4D05E" italics="true" pageId="0" pageNumber="83">E. politus</emphasis>
|
||
</taxonomicName>
|
||
were observed in the areas of its presumably native distribution (higher mountains in the centre of the Kola Peninsula and the Kutsa River basin). We consider this distribution pattern as a strong evidence for the anthropogenic origin of the presumed hybrid, which was formed within the area to which both native and alien taxa of the
|
||
<taxonomicName id="3B225CFAEB8D08D8629039236238F7FA" kingdom="Plantae" lsidName="E. acris" pageId="0" pageNumber="83" rank="species" species="acris">
|
||
<emphasis id="0A6F5AC590CAB8C3B5A411D3C6D1D1CF" italics="true" pageId="0" pageNumber="83">E. acris</emphasis>
|
||
</taxonomicName>
|
||
group were transported by humans.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |