169 lines
18 KiB
XML
169 lines
18 KiB
XML
<document id="F1510EECCBE46C9C73E711816A4AAAD9" ID-DOI="10.11646/phytotaxa.197.1.4" ID-ISSN="1179-3163" ID-Zenodo-Dep="13639462" 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="1725342154396" checkinUser="felipe" docAuthor="Hughes, Mark & Takeuchi, Wayne" docDate="2015" docId="03C98797FFB62E6BFF0AF865821E435F" docLanguage="en" docName="phytotaxa.197.1.4.pdf" docOrigin="Phytotaxa 197 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.197.1.4" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Begonia (sect. Oligandrae) M. Hughes & W. N. Takeuchi 2015, sect. nov." docType="treatment" docVersion="2" lastPageNumber="38" masterDocId="FFF0FFEFFFB72E6AFF82FA0986434554" masterDocTitle="A new section (Begonia sect. Oligandrae sect. nov.) and a new species (Begonia pentandra sp. nov.) in Begoniaceae from New Guinea" masterLastPageNumber="44" masterPageNumber="37" pageNumber="38" updateTime="1725348220645" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods id="BBB6064A1ECDB16AC6CB1165AF1422A6" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="1F7F849F80590E7AC659F96ABC61CB1A">
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<mods:title id="8ECADD7E6E70C3493AA8C46165E9F4A8">A new section (Begonia sect. Oligandrae sect. nov.) and a new species (Begonia pentandra sp. nov.) in Begoniaceae from New Guinea</mods:title>
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<mods:namePart id="0BFC60B4879653C4EFF81E33384DE248">Hughes, Mark</mods:namePart>
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<mods:roleTerm id="28C87F5F4A141C85073783DFF951BD86">Author</mods:roleTerm>
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<mods:namePart id="3CD95510EFA1C292D5AF97979BEFFE2C">Takeuchi, Wayne</mods:namePart>
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<mods:titleInfo id="028B683DF5EDEB029E155423860AAA51">
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<mods:title id="684F8B42FB62F71F767815263CE7F049">Phytotaxa</mods:title>
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<mods:part id="8D306E75BA92E6C31BF63C784C582FF6">
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<mods:date id="26C612E7EB172626B4B1A5B7295D9755">2015</mods:date>
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<mods:number id="05A40372C7D19BE48FF78F89FA83B95B">2015-02-04</mods:number>
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<mods:number id="9C92E15E349193A1C35608561F0E8DA1">197</mods:number>
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<mods:url id="EA73322B01C584ABF9DF7483736A613B">http://dx.doi.org/10.11646/phytotaxa.197.1.4</mods:url>
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<mods:classification id="7BFFE76D498A53A5040B307451C10011">journal article</mods:classification>
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<mods:identifier id="FE021870E7D49E8D08A9414A94722753" type="DOI">10.11646/phytotaxa.197.1.4</mods:identifier>
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<mods:identifier id="6DF46AB181815AD185AAE43356300B0F" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03C98797FFB62E6BFF0AF865821E435F" ID-DOI="http://doi.org/10.5281/zenodo.13639342" ID-Zenodo-Dep="13639342" LSID="urn:lsid:plazi:treatment:03C98797FFB62E6BFF0AF865821E435F" httpUri="http://treatment.plazi.org/id/03C98797FFB62E6BFF0AF865821E435F" lastPageNumber="38" pageId="1" pageNumber="38">
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<subSubSection id="C37A650AFFB62E6BFF0AF86585D447D3" box="[136,919,620,647]" pageId="1" pageNumber="38" type="nomenclature">
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<paragraph id="8BDF3681FFB62E6BFF0AF86585D447D3" blockId="1.[136,919,620,647]" box="[136,919,620,647]" pageId="1" pageNumber="38">
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<heading id="D09781EDFFB62E6BFF0AF86585D447D3" box="[136,919,620,647]" fontSize="11" level="2" pageId="1" pageNumber="38" reason="3">
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<emphasis id="B914EA93FFB62E6BFF0AF865856747D3" bold="true" box="[136,804,620,647]" pageId="1" pageNumber="38">
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<taxonomicName id="4C604D02FFB62E6BFF0AF865855D47D3" authority="M.Hughes & W.N.Takeuchi" authorityName="M. Hughes & W. N. Takeuchi" authorityYear="2015" box="[136,798,620,647]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="section" section="Oligandrae" status="sect. nov.">
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<emphasis id="B914EA93FFB62E6BFF0AF86586AE47D2" bold="true" box="[136,237,620,646]" italics="true" pageId="1" pageNumber="38">Begonia</emphasis>
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sect.
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<emphasis id="B914EA93FFB62E6BFEB0F86587F847D3" bold="true" box="[306,443,620,647]" italics="true" pageId="1" pageNumber="38">Oligandrae</emphasis>
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M.Hughes & W.N.Takeuchi
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</taxonomicName>
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,
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</emphasis>
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<emphasis id="B914EA93FFB62E6BFCA9F86485D447D3" box="[811,919,621,647]" italics="true" pageId="1" pageNumber="38">
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<taxonomicNameLabel id="A22757E8FFB62E6BFCA9F86485D447D3" box="[811,919,621,647]" pageId="1" pageNumber="38" rank="section">sect. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37A650AFFB62E6BFF0AF8B187424163" pageId="1" pageNumber="38" type="materials_examined">
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<paragraph id="8BDF3681FFB62E6BFF0AF8B187D94799" blockId="1.[136,410,694,719]" box="[136,410,694,719]" pageId="1" pageNumber="38">
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<emphasis id="B914EA93FFB62E6BFF0AF8B186814799" bold="true" box="[136,194,696,717]" pageId="1" pageNumber="38">
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<typeStatus id="54DB8823FFB62E6BFF0AF8B186FD4799" box="[136,190,696,717]" pageId="1" pageNumber="38">Type</typeStatus>
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:
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</emphasis>
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—
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<emphasis id="B914EA93FFB62E6BFF5CF8B187D94799" box="[222,410,696,717]" italics="true" pageId="1" pageNumber="38">
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<taxonomicName id="4C604D02FFB62E6BFF5CF8B187D54799" authorityName="Merrill & Perry" authorityYear="1943" box="[222,406,696,717]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="oligandra">Begonia oligandra</taxonomicName>
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.
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</emphasis>
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</paragraph>
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<paragraph id="8BDF3681FFB62E6BFF0AF8F7879D46BB" blockId="1.[136,1452,766,1547]" pageId="1" pageNumber="38">Low growing caulescent herbs, monoecious; stems repent or suberect and adventitiously rooting at the nodes. Leaves alternate, ovate to lanceolate, finely divided or entire. Inflorescences terminal or axillary, cymose, bracts conspicuous, usually persistent, white or pink. Male flowers basal, tepals 3–4, in unequal pairs or one tepal reduced, free, white, stamens 4–8, free, androecium symmetric. Female flowers solitary, terminal, tepals 3–4, in unequal pairs or one tepal reduced, free, white or pink, styles bifid and branched or capitate and cylindrical, not spirally twisted. Fruit 3-locular, placentae axillary, bifid; wings 3, unequal (1+2), fleshy and horn-like, the larger wing extended apically towards the tepals, smaller wings rounded.</paragraph>
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<paragraph id="8BDF3681FFB62E6BFF3FF9F387424163" blockId="1.[136,1452,766,1547]" pageId="1" pageNumber="38">
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<emphasis id="B914EA93FFB62E6BFF3FF9F3870C4147" bold="true" box="[189,335,1018,1043]" pageId="1" pageNumber="38">Species list:</emphasis>
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—Five species.
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<taxonomicName id="4C604D02FFB62E6BFD92F9F384844147" authorityName="Merrill & Perry" authorityYear="1943" box="[528,711,1018,1043]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="brassii">
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<emphasis id="B914EA93FFB62E6BFD92F9F384844147" box="[528,711,1018,1043]" italics="true" pageId="1" pageNumber="38">Begonia brassii</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C604D02FFB62E6BFD59F9F385D34147" authorityName="Takeuchi" authorityYear="2012" box="[731,912,1018,1043]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="chambersiae">
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<emphasis id="B914EA93FFB62E6BFD59F9F385D34147" box="[731,912,1018,1043]" italics="true" pageId="1" pageNumber="38">B. chambersiae</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C604D02FFB62E6BFC26F9F3827B4147" authorityName="Merrill & Perry" authorityYear="1943" box="[932,1080,1018,1043]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="oligandra">
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<emphasis id="B914EA93FFB62E6BFC26F9F3827B4147" box="[932,1080,1018,1043]" italics="true" pageId="1" pageNumber="38">B. oligandra</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C604D02FFB62E6BFBCFF9F382A54147" authorityName="Hughes & Takeuchi" authorityYear="2015" box="[1101,1254,1018,1043]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="pentandra" status="sp. nov.">
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<emphasis id="B914EA93FFB62E6BFBCFF9F382A54147" box="[1101,1254,1018,1043]" italics="true" pageId="1" pageNumber="38">B. pentandra</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22757E8FFB62E6BFB71F9F383134147" box="[1267,1360,1018,1043]" pageId="1" pageNumber="38" rank="species">sp. nov.</taxonomicNameLabel>
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and
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<taxonomicName id="4C604D02FFB62E6BFA11F9F386B94163" authorityName="Takeuchi" authorityYear="2013" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="sandsiana">
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<emphasis id="B914EA93FFB62E6BFA11F9F386B94163" italics="true" pageId="1" pageNumber="38">B. sandsiana</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="C37A650AFFB62E6BFF3FFE4B86BE412B" pageId="1" pageNumber="38" type="distribution">
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<paragraph id="8BDF3681FFB62E6BFF3FFE4B86BE412B" blockId="1.[136,1452,766,1547]" pageId="1" pageNumber="38">
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<emphasis id="B914EA93FFB62E6BFF3FFE4B871A410F" bold="true" box="[189,345,1090,1115]" pageId="1" pageNumber="38">Distribution:</emphasis>
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—In montane forests of the New
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<collectingCountry id="F3777611FFB62E6BFD74FE4B8504410F" box="[758,839,1090,1115]" name="Guinea-Bissau" pageId="1" pageNumber="38">Guinea</collectingCountry>
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Highlands, from
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<quantity id="4C989B64FFB62E6BFB9DFE4B82F7410F" box="[1055,1204,1090,1115]" metricMagnitude="3" metricUnit="m" metricValue="1.6" metricValueMax="2.3" metricValueMin="0.9" pageId="1" pageNumber="38" unit="m" value="1600.0" valueMax="2300.0" valueMin="900.0">900–2300 m</quantity>
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, sometimes on karst limestone.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37A650AFFB62E6BFF3FFE83821E435F" pageId="1" pageNumber="38" type="etymology">
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<paragraph id="8BDF3681FFB62E6BFF3FFE8386A94193" blockId="1.[136,1452,766,1547]" pageId="1" pageNumber="38">
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<emphasis id="B914EA93FFB62E6BFF3FFE83870B41F7" bold="true" box="[189,328,1162,1187]" pageId="1" pageNumber="38">Etymology:</emphasis>
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—The epithet is from the Greek
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<emphasis id="B914EA93FFB62E6BFD4EFE83854541F7" box="[716,774,1162,1187]" italics="true" pageId="1" pageNumber="38">oligo</emphasis>
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(few) and
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<emphasis id="B914EA93FFB62E6BFC09FE83858E41F7" box="[907,973,1162,1187]" italics="true" pageId="1" pageNumber="38">andro</emphasis>
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(male), referring to the small number of stamens.
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</paragraph>
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<paragraph id="8BDF3681FFB62E6BFF3FFEDB821E435F" blockId="1.[136,1452,766,1547]" pageId="1" pageNumber="38">
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<emphasis id="B914EA93FFB62E6BFF3FFEDB87D241BF" bold="true" box="[189,401,1234,1259]" pageId="1" pageNumber="38">Taxonomic notes:</emphasis>
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—The affinities of
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<taxonomicName id="4C604D02FFB62E6BFDEFFEDB85CC41BF" authorityName="M. Hughes & W. N. Takeuchi" authorityYear="2015" box="[621,911,1234,1259]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="section" section="Oligandrae">
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<emphasis id="B914EA93FFB62E6BFDEFFEDB848941BF" box="[621,714,1234,1259]" italics="true" pageId="1" pageNumber="38">Begonia</emphasis>
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sect.
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<emphasis id="B914EA93FFB62E6BFC8CFEDB85CC41BF" box="[782,911,1234,1259]" italics="true" pageId="1" pageNumber="38">Oligandrae</emphasis>
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</taxonomicName>
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are difficult to ascertain, primarily because the reproductive structures are unusual and highly modified. Reduced stamen number and showy bracts are similarly found in
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<taxonomicName id="4C604D02FFB62E6BFF27FF1382254067" authority="(Warburg 1894: 149) Forrest & Hollingsworth (2003: 208)" authorityName="Forrest & Hollingsworth" authorityPageNumber="208" authorityYear="2003" baseAuthorityName="Warburg" baseAuthorityPageNumber="149" baseAuthorityYear="1894" box="[165,1126,1306,1331]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="section" section="Symbegonia">
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<emphasis id="B914EA93FFB62E6BFF27FF1387414067" box="[165,258,1306,1331]" italics="true" pageId="1" pageNumber="38">Begonia</emphasis>
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sect.
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<emphasis id="B914EA93FFB62E6BFEC1FF13878F4067" box="[323,460,1306,1331]" italics="true" pageId="1" pageNumber="38">Symbegonia</emphasis>
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(
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<bibRefCitation id="EFF14B70FFB62E6BFE58FF1384F54067" author="Warburg, O." box="[474,694,1306,1331]" pageId="1" pageNumber="38" pagination="121 - 150" refId="ref4151" refString="Warburg, O. (1894) Begoniaceae. In: Engler, A. & Prantl, K. (Eds.) Die Naturlichen Pflanzenfamilien 3, 6 A. Engelmann, Leipzig, pp. 121 - 150." type="book chapter" year="1894">Warburg 1894: 149</bibRefCitation>
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)
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<bibRefCitation id="EFF14B70FFB62E6BFD47FF1382254067" author="Forrest, L. L. & Hollingsworth, P. M." box="[709,1126,1306,1331]" pageId="1" pageNumber="38" pagination="193 - 211" refId="ref3606" refString="Forrest, L. L. & Hollingsworth, P. M. (2003) A recircumscription of Begonia based on nuclear ribosomal sequences. Plant Systematics and Evolution 241: 193 - 211. http: // dx. doi. org / 10.1007 / s 00606 - 002 - 0033 - y" type="journal article" year="2003">Forrest & Hollingsworth (2003: 208)</bibRefCitation>
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</taxonomicName>
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endemic to New
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<collectingCountry id="F3777611FFB62E6BFAA9FF13833F4067" box="[1323,1404,1306,1331]" name="Guinea-Bissau" pageId="1" pageNumber="38">Guinea</collectingCountry>
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and possibly the closest relative to the new section. However sect.
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<emphasis id="B914EA93FFB62E6BFCC5FF3785934003" box="[839,976,1342,1367]" italics="true" pageId="1" pageNumber="38">Symbegonia</emphasis>
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differs (corresponding characters for sect.
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<emphasis id="B914EA93FFB62E6BFF0AFF6B874A402F" box="[136,265,1378,1403]" italics="true" pageId="1" pageNumber="38">Oligandrae</emphasis>
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in parentheses) in usually having solitary-axillary female flowers (female flowers inserted at the apex of a male cymose inflorescence in
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<taxonomicName id="4C604D02FFB62E6BFE5FFF8F842C40CB" authorityName="Hughes & Takeuchi" authorityYear="2015" box="[477,623,1414,1439]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="pentandra">
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<emphasis id="B914EA93FFB62E6BFE5FFF8F842C40CB" box="[477,623,1414,1439]" italics="true" pageId="1" pageNumber="38">B. pentandra</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C604D02FFB62E6BFD25FF8F851640CB" authorityName="Takeuchi" authorityYear="2012" box="[679,853,1414,1439]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="chambersiae">
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<emphasis id="B914EA93FFB62E6BFD25FF8F851640CB" box="[679,853,1414,1439]" italics="true" pageId="1" pageNumber="38">B. chambersiae</emphasis>
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</taxonomicName>
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), fused female tepals (free female tepals), noticeably enlarged receptacles (planate or slightly rounded receptacles), and elongated stigmas (stigmas inconspicuous or capitate). Repeated attempts at DNA-sequencing from silica dried leaves of
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<taxonomicName id="4C604D02FFB62E6BFB80FFC782D440B3" authorityName="Takeuchi" authorityYear="2013" box="[1026,1175,1486,1511]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="sandsiana">
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<emphasis id="B914EA93FFB62E6BFB80FFC782D440B3" box="[1026,1175,1486,1511]" italics="true" pageId="1" pageNumber="38">B. sandsiana</emphasis>
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</taxonomicName>
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and
|
||
<taxonomicName id="4C604D02FFB62E6BFB56FFC7832940B3" authorityName="Hughes & Takeuchi" authorityYear="2015" box="[1236,1386,1486,1511]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="38" phylum="Tracheophyta" rank="species" species="pentandra">
|
||
<emphasis id="B914EA93FFB62E6BFB56FFC7832940B3" box="[1236,1386,1486,1511]" italics="true" pageId="1" pageNumber="38">B. pentandra</emphasis>
|
||
</taxonomicName>
|
||
were unsuccessful, hence the phylogenetic relationship of the new section remains unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |