240 lines
18 KiB
XML
240 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.94.23248" ID-PMC="PMC5799780" ID-Pensoft-Pub="1314-2003-94-65" ID-Pensoft-UUID="14368A46FFCB7B42EA54FFC6D974FFCF" ID-PubMed="29416422" ID-Zenodo-Dep="1166373" ModsDocID="1314-2003-94-65" checkinTime="1517263984060" checkinUser="pensoft" docAuthor="Chen, Wen-Hong, Radbouchoom, Sirilak, Nguyen, Hieu Quang, Nguyen, Hiep Tien, Nguyen 4, Khang Sinh & Shui, Yu-Min" docDate="2018" docId="C9C34BE67BDE57299606BFA492E11C8D" docLanguage="en" docName="PhytoKeys 94: 65-85" docOrigin="PhytoKeys 94" docPubDate="2018-01-29" docSource="http://dx.doi.org/10.3897/phytokeys.94.23248" docTitle="Begonia minissima H. Q. Nguyen, Y. M. Shui & W. H. Chen 2018, sp. nov." docType="treatment" docVersion="3" id="14368A46FFCB7B42EA54FFC6D974FFCF" lastPageNumber="73" masterDocId="14368A46FFCB7B42EA54FFC6D974FFCF" masterDocTitle="Seven new species of Begonia (Begoniaceae) in Northern Vietnam and Southern China" masterLastPageNumber="85" masterPageNumber="65" pageNumber="72" updateTime="1668142228494" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Seven new species of Begonia (Begoniaceae) in Northern Vietnam and Southern China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chen, Wen-Hong</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Radbouchoom, Sirilak</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & University of Chinese Academy of Sciences, Beijing 100049, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nguyen, Hieu Quang</mods:namePart>
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<mods:affiliation>Center for Plant Conservation of Vietnam (CPC), Vietnam Union of Science and Technology Associations, 25 / 32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nguyen, Hiep Tien</mods:namePart>
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<mods:affiliation>Center for Plant Conservation of Vietnam (CPC), Vietnam Union of Science and Technology Associations, 25 / 32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nguyen 4, Khang Sinh</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Shui, Yu-Min</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar</mods:affiliation>
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<mods:nameIdentifier type="email">ymshui@mail.kib.ac.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2018-01-29</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>94</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>65</mods:start>
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<mods:end>85</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.94.23248</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.94.23248</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-94-65</mods:identifier>
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||
<mods:identifier type="Pensoft-UUID">14368A46FFCB7B42EA54FFC6D974FFCF</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1166373</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182225426" LSID="urn:lsid:plazi:treatment:C9C34BE67BDE57299606BFA492E11C8D" httpUri="http://treatment.plazi.org/id/C9C34BE67BDE57299606BFA492E11C8D" lastPageId="8" lastPageNumber="73" pageId="7" pageNumber="72">
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<subSubSection pageId="7" pageNumber="72" type="nomenclature">
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<paragraph pageId="7" pageNumber="72">
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<taxonomicName LSID="C9C34BE6-7BDE-5729-9606-BFA492E11C8D" authority="H. Q. Nguyen, Y. M. Shui & W. H. Chen" authorityName="H. Q. Nguyen, Y. M. Shui & W. H. Chen" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia minissima" order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="species" species="minissima" status="sp. nov.">Begonia minissima H.Q.Nguyen, Y.M.Shui & W.H.Chen</taxonomicName>
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<taxonomicNameLabel pageId="7" pageNumber="72">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Begonia minissima H. Q. Nguyen, Y. M. Shui & W. H. Chen A Habitat B Plant with rhizome C View of adaxial leaf D View of abaxial leaf E Inflorescence F Staminate flower, face view, side view and dorsal view G Pistillate flower, side views and dorsal view H Capsule I Serial cross sections of ovary. (A-D photographs by Y. M. Shui; E-I by S. Radbouchoom)." figureDoi="10.3897/phytokeys.94.23248.figure6" httpUri="https://binary.pensoft.net/fig/182238" pageId="7" pageNumber="72">Fig. 6</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="reference_group">
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<paragraph pageId="7" pageNumber="72">
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<taxonomicName authority="Chen & Radbouchoom & Nguyen & Nguyen & Nguyen 4 & Shui, 2018" authorityName="Chen & Radbouchoom & Nguyen & Nguyen & Nguyen 4 & Shui" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia subsp. sect." order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="section" section="Coelocentrum" status="sp. nov.">Begonia sect. Coelocentrum</taxonomicName>
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Irmsch.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="remarks">
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<paragraph pageId="7" pageNumber="72">Remarks.</paragraph>
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<paragraph pageId="7" pageNumber="72">
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The new species is similar to
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<taxonomicName authorityName="Aver" authorityYear="2012" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia rugosula" order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="species" species="rugosula">
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<emphasis italics="true" pageId="7" pageNumber="72">Begonia rugosula</emphasis>
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</taxonomicName>
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Aver. in the small leaves and climbing habit, but different from it in the round leaf top (vs. acute leaf top), flat surface on the adaxial surface of the leaves (vs. uneven surface in
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<taxonomicName lsidName="B. rugosula" pageId="7" pageNumber="72" rank="species" species="rugosula">
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<emphasis italics="true" pageId="7" pageNumber="72">B. rugosula</emphasis>
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</taxonomicName>
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), ovate interior petals (vs. narrowly obovate or narrowly obovate), 2-branching stigma (vs. slightly spherical).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="materials_examined">
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<paragraph pageId="7" pageNumber="72">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="7" pageNumber="72">
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<materialsCitation collectingDate="2016-04-18" collectorName="Y. M. Shui, W. H. Chen, C. Liu, H. Q. Nguyen, H. T. Nguyen, N. Q. Chuong" country="VIETNAM" elevation="504" latitude="22.272778" location="Kim Hy National reserve" longLatPrecision="21" longitude="106.05639" municipality="Nari county" specimenCount="1" stateProvince="Bac Kan Province" typeStatus="holotype">
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<collectingCountry name="Vietnam">VIETNAM</collectingCountry>
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.
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<collectingRegion country="Vietnam" name="Bac Kan">Bac Kan Province</collectingRegion>
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,
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<collectingMunicipality>Nari county</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:C9C34BE67BDE57299606BFA492E11C8D:02C9E530BBC7999B79CF76226A49364A" country="VIETNAM" latitude="22.272778" longLatPrecision="21" longitude="106.05639" municipality="Nari county" name="Kim Hy National reserve" stateProvince="Bac Kan Province">Kim Hy National reserve</location>
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,
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<geoCoordinate degrees="22" direction="north" minutes="16" orientation="latitude" precision="15" seconds="22" value="22.272778">22°16'22"N</geoCoordinate>
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,
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<geoCoordinate degrees="106" direction="east" minutes="03" orientation="longitude" precision="15" seconds="23" value="106.05639">106°03'23"E</geoCoordinate>
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,
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<elevation metricMagnitude="2" metricUnit="m" metricValue="5.04" unit="m" value="504.0">
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<quantity metricMagnitude="2" metricUnit="m" metricValue="5.04" unit="m" value="504.0">504 m</quantity>
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a.s.l.
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</elevation>
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,
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<collectingDate value="2016-04-18">18 April 2016</collectingDate>
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, in flowers,
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<emphasis italics="true" pageId="7" pageNumber="72">
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<collectorName>Y.M. Shui</collectorName>
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,
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<collectorName>W.H. Chen</collectorName>
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,
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<collectorName>C. Liu</collectorName>
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,
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<collectorName>H.Q. Nguyen</collectorName>
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,
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<collectorName>H.T. Nguyen</collectorName>
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,
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<collectorName>N.Q. Chuong</collectorName>
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CK1210
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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, KUN!; isotype, CPC!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="73" pageId="7" pageNumber="72" type="small herb, rhizomatous">
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<paragraph pageId="7" pageNumber="72">Small herb, rhizomatous.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="73" pageId="7" pageNumber="72">
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Rhizome: slender, 2.5-7 mm long, 1.5-2 mm in diam. Stipule reddish, triangular, subglabrous, 1-1.8
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<normalizedToken originalValue="×">x</normalizedToken>
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8-1.2 mm wide. Leaves: petiole reddish, erect, villous, 1.5-3.5 cm long, 0.5-1 mm in diam.; blade asymmetric, widely ovate or rotund, 2.2-2.6
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<normalizedToken originalValue="×">x</normalizedToken>
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1.6-1.8 cm, base cordate, apex obtuse to acute, margin slightly serrulate, ciliate; adaxially dark green with white line or stripes along veins, strigose; abaxially slightly greenish striated and short strigose along primary and sec
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<pageBreakToken pageId="8" pageNumber="73" start="start">ondary</pageBreakToken>
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veins; venation palmate, 4-5 primary veins, 2 or 3 secondary veins brunching dichotomous, tertiary veins reticulate. Inflorescence: dichasial cyme; peduncle 2-3.5 cm long, glabrous; bracts caducous, greenish, triangular, glabrous, apex acute, margin entire. Staminate flower: pedicel ca. 1 cm long; tepals 4, widely ovate, white inside, pinkish outside, both sides glabrous; outer tepals 2, broadly ovate, glabrous, base cuneate, apex obtuse or rounded, margin entire; inner tepals 2, ovate, base cuneate, apex acute to obtuse, margin entire; androecium actinomorphic, stamens numerous, filaments longer than anthers, fused at base; anthers yellow, obovoid, apex emarginate, with longitudinal slits. Pistillate flower: pedicel ca. 1 cm long; tepals 3, white, both sides glabrous; outer tepals 2, broadly ovate, ca. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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6 mm, abaxially slightly pinkish with red spots, base rounded, apex obtuse or rounded, margin entire; inner tepal 1, elliptic to oblong, ca. 6
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<normalizedToken originalValue="×">x</normalizedToken>
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4 mm, base cuneate to rounded, apex obtuse, margin entire; styles 3, free, stigmas bifid with twisted bands; ovary slightly pinkish with red minute spots, ca. 5 mm long, ca. 3 mm in diam. (wings excluded), glabrous, 1-loculed; placentation parietal, 2-branched each placenta; Capsule nodding, trigonous-ellipsoid, subequally 3-winged; abaxial wing lunate, ca. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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3 mm, slightly larger than lateral wings; lateral wings narrowly lunate, ca. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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2 mm. Seeds ca. 0.15 mm long, oblong.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="73" type="phenology">
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<paragraph pageId="8" pageNumber="73">Phenology.</paragraph>
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<paragraph pageId="8" pageNumber="73">Flowering in April-May, fruiting in May-June.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="73" type="etymology">
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<paragraph pageId="8" pageNumber="73">Etymology.</paragraph>
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<paragraph pageId="8" pageNumber="73">The epithet refers to the small size of leaves.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="73" type="habitat">
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<paragraph pageId="8" pageNumber="73">Habitat.</paragraph>
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<paragraph pageId="8" pageNumber="73">The species just grows in limestone crevices of cliffs.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="73" type="distribution">
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<paragraph pageId="8" pageNumber="73">Distribution.</paragraph>
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<paragraph pageId="8" pageNumber="73">The species occurs exclusively in Nari county of Bac Kan Province in Vietnam.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="73" type="notes">
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<paragraph pageId="8" pageNumber="73">Note.</paragraph>
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<paragraph pageId="8" pageNumber="73">
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In
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<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia subsp. sect." order="Cucurbitales" pageId="8" pageNumber="73" phylum="Tracheophyta" rank="section" section="Coelocentrum">Begonia sect. Coelocentrum</taxonomicName>
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, the new species is one of the smallest species in morphology. Its closest species with limited morphology is
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<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia regosula" order="Cucurbitales" pageId="8" pageNumber="73" phylum="Tracheophyta" rank="species" species="regosula">
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<emphasis italics="true" pageId="8" pageNumber="73">Begonia regosula</emphasis>
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</taxonomicName>
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Aver. also from Bac Kan Province (
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<bibRefCitation author="Averyanov, LV" journalOrPublisher="Turczaninowia" pageId="12" pageNumber="77" pagination="5 - 32" refId="B2" refString="Averyanov, LV, Nguyen, HQ, 2012. Eleven new species of Begonia L. (Begoniaceae) from Laos and Vietnam. Turczaninowia 15 (2): 5 - 32" title="Eleven new species of Begonia L. (Begoniaceae) from Laos and Vietnam." volume="15" year="2012">Averyanov and Nguyen 2012</bibRefCitation>
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). In the new species, however, the wider interior petals and the obvious bifid stigma can separate it from
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<taxonomicName lsidName="B. regosula" pageId="8" pageNumber="73" rank="species" species="regosula">
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<emphasis italics="true" pageId="8" pageNumber="73">B. regosula</emphasis>
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</taxonomicName>
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(Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Begonia minissima H. Q. Nguyen, Y. M. Shui & W. H. Chen A Habitat B Plant with rhizome C View of adaxial leaf D View of abaxial leaf E Inflorescence F Staminate flower, face view, side view and dorsal view G Pistillate flower, side views and dorsal view H Capsule I Serial cross sections of ovary. (A-D photographs by Y. M. Shui; E-I by S. Radbouchoom)." figureDoi="10.3897/phytokeys.94.23248.figure6" httpUri="https://binary.pensoft.net/fig/182238" pageId="8" pageNumber="73">6</figureCitation>
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).
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</paragraph>
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<caption ID-Zenodo-Dep="1166742" doi="10.3897/phytokeys.94.23248.figure6" httpUri="https://binary.pensoft.net/fig/182238" pageId="8" pageNumber="73" start="Figure 6" startId="F6">
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<paragraph pageId="8" pageNumber="73">
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<emphasis bold="true" pageId="8" pageNumber="73">Figure 6.</emphasis>
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<taxonomicName authorityName="H. Q. Nguyen, Y. M. Shui & W. H. Chen" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia minissima" order="Cucurbitales" pageId="8" pageNumber="73" phylum="Tracheophyta" rank="species" species="minissima">
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<emphasis italics="true" pageId="8" pageNumber="73">Begonia minissima</emphasis>
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</taxonomicName>
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H.Q. Nguyen, Y.M. Shui & W.H. Chen
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<emphasis bold="true" pageId="8" pageNumber="73">A</emphasis>
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Habitat
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<emphasis bold="true" pageId="8" pageNumber="73">B</emphasis>
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Plant with rhizome
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<emphasis bold="true" pageId="8" pageNumber="73">C</emphasis>
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View of adaxial leaf
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<emphasis bold="true" pageId="8" pageNumber="73">D</emphasis>
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View of abaxial leaf
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<emphasis bold="true" pageId="8" pageNumber="73">E</emphasis>
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Inflorescence
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<emphasis bold="true" pageId="8" pageNumber="73">F</emphasis>
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Staminate flower, face view, side view and dorsal view
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<emphasis bold="true" pageId="8" pageNumber="73">G</emphasis>
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Pistillate flower, side views and dorsal view
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<emphasis bold="true" pageId="8" pageNumber="73">H</emphasis>
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Capsule
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<emphasis bold="true" pageId="8" pageNumber="73">I</emphasis>
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Serial cross sections of ovary. (
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<emphasis bold="true" pageId="8" pageNumber="73">A-D</emphasis>
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photographs by Y.M. Shui;
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<emphasis bold="true" pageId="8" pageNumber="73">E-I</emphasis>
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by S. Radbouchoom).
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |