330 lines
26 KiB
XML
330 lines
26 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.204.86647" ID-GBIF-Dataset="a359b8b9-c65e-4db2-81a7-133d578ba7a2" ID-Pensoft-Pub="1314-2003-204-35" ID-Pensoft-UUID="B7D72DEC772158488E7F8C43A4D6850D" ModsDocID="1314-2003-204-35" checkinTime="1659663402925" checkinUser="pensoft" docAuthor="Julius, Avelinah & Utteridge, Timothy M. A." docDate="2022" docId="7A38F1AF338B5EAEBE177FE4DD689BD9" docLanguage="en" docName="PhytoKeys 204: 35-41" docOrigin="PhytoKeys 204" docPubDate="2022-08-04" docSource="http://dx.doi.org/10.3897/phytokeys.204.86647" docTitle="Ardisia whitmorei Julius & Utteridge, sp. nov. (§ Stylardisia)" docType="treatment" docVersion="2" id="B7D72DEC772158488E7F8C43A4D6850D" lastPageNumber="35" masterDocId="B7D72DEC772158488E7F8C43A4D6850D" masterDocTitle="Ardisia whitmorei (Primulaceae - Myrsinoideae), a new species from north east of Peninsular Malaysia" masterLastPageNumber="41" masterPageNumber="35" pageNumber="35" updateTime="1659664092145" 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>Ardisia whitmorei (Primulaceae - Myrsinoideae), a new species from north east of Peninsular Malaysia</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>Julius, Avelinah</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1991-1915</mods:nameIdentifier>
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<mods:affiliation>Forest Research Institute Malaysia, Kepong, Selangor, 52109, Malaysia</mods:affiliation>
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<mods:nameIdentifier type="email">plagiovel80@yahoo.com</mods:nameIdentifier>
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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>Utteridge, Timothy M. A.</mods:namePart>
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<mods:affiliation>Royal Botanic Gardens, Kew, Richmond, TW 9 3 AE, UK</mods:affiliation>
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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>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-08-04</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>204</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>35</mods:start>
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<mods:end>41</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.204.86647</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.204.86647</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-204-35</mods:identifier>
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<mods:identifier type="Pensoft-UUID">B7D72DEC772158488E7F8C43A4D6850D</mods:identifier>
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||
</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:7A38F1AF338B5EAEBE177FE4DD689BD9" httpUri="http://treatment.plazi.org/id/7A38F1AF338B5EAEBE177FE4DD689BD9" lastPageNumber="35" pageId="0" pageNumber="35">
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<subSubSection pageId="0" pageNumber="35" type="nomenclature">
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<paragraph pageId="0" pageNumber="35">
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<taxonomicName LSID="7A38F1AF-338B-5EAE-BE17-7FE4DD689BD9" authority="Julius & Utteridge, sp. nov. (§ Stylardisia)" authorityName="Julius & Utteridge, sp. nov. (§ Stylardisia)" class="Magnoliopsida" family="Primulaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia whitmorei" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="whitmorei">Ardisia whitmorei Julius & Utteridge, sp. nov. (§Stylardisia)</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="description">
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<paragraph pageId="0" pageNumber="35">
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Ardisia whitmorei Julius & Utteridge, sp. nov. A flowering leafy twig B mature flower C aerial view of opened flower D flower dissected to show the stamen arrangement E anther, lateral (left) and front view (right) F petals removed to show calyx and pistil G calyx, abaxial (left) and lateral view (right) H ovary dissected to show the ovules I flower prior to anthesis, showing one flower with exerted style J infructescence K fruit L fruit, cross-section. (Illustration by Mohd Aidil Nordin A-I from Mohd. Hairul et al., FRI 70884 J-L from T. C. Whitmore, FRI 12727: scale bar for C similar to D, F similar to B and K similar to L)." figureDoi="10.3897/phytokeys.204.86647.figure1" httpUri="https://binary.pensoft.net/fig/723471" pageId="0" pageNumber="35">Fig. 1</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="diagnosis">
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<paragraph pageId="0" pageNumber="35">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Amongst the Peninsular Malaysian members of subgenus (§)
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<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia (Stylardisia)" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="subGenus" subGenus="Stylardisia">
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<emphasis italics="true" pageId="0" pageNumber="35">Ardisia Stylardisia</emphasis>
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</taxonomicName>
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, the new species is easily recognised by the following combination characters: lateral veins brochidrodromous with double loops towards the margin and prominent on both surfaces, the relatively large leaves (15-23 cm long), the inflorescences with a slender rachis and branched to two orders and the glabrous corolla lobes with usually up to only two gland-dots near the apex abaxially (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Ardisia whitmorei Julius & Utteridge, sp. nov. A flowering leafy twig B mature flower C aerial view of opened flower D flower dissected to show the stamen arrangement E anther, lateral (left) and front view (right) F petals removed to show calyx and pistil G calyx, abaxial (left) and lateral view (right) H ovary dissected to show the ovules I flower prior to anthesis, showing one flower with exerted style J infructescence K fruit L fruit, cross-section. (Illustration by Mohd Aidil Nordin A-I from Mohd. Hairul et al., FRI 70884 J-L from T. C. Whitmore, FRI 12727: scale bar for C similar to D, F similar to B and K similar to L)." figureDoi="10.3897/phytokeys.204.86647.figure1" httpUri="https://binary.pensoft.net/fig/723471" pageId="0" pageNumber="35">1</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/phytokeys.204.86647.figure1" httpUri="https://binary.pensoft.net/fig/723471" pageId="0" pageNumber="35" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="35">
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<emphasis bold="true" pageId="0" pageNumber="35">Figure 1.</emphasis>
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<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia whitmorei" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="whitmorei">
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<emphasis italics="true" pageId="0" pageNumber="35">Ardisia whitmorei</emphasis>
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</taxonomicName>
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Julius & Utteridge, sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="35">A</emphasis>
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flowering leafy twig
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<emphasis bold="true" pageId="0" pageNumber="35">B</emphasis>
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mature flower
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<emphasis bold="true" pageId="0" pageNumber="35">C</emphasis>
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aerial view of opened flower
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<emphasis bold="true" pageId="0" pageNumber="35">D</emphasis>
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flower dissected to show the stamen arrangement
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<emphasis bold="true" pageId="0" pageNumber="35">E</emphasis>
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anther, lateral (left) and front view (right)
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<emphasis bold="true" pageId="0" pageNumber="35">F</emphasis>
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petals removed to show calyx and pistil
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<emphasis bold="true" pageId="0" pageNumber="35">G</emphasis>
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calyx, abaxial (left) and lateral view (right)
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<emphasis bold="true" pageId="0" pageNumber="35">H</emphasis>
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ovary dissected to show the ovules
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<emphasis bold="true" pageId="0" pageNumber="35">I</emphasis>
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flower prior to anthesis, showing one flower with exerted style
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<emphasis bold="true" pageId="0" pageNumber="35">J</emphasis>
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infructescence
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<emphasis bold="true" pageId="0" pageNumber="35">K</emphasis>
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fruit
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<emphasis bold="true" pageId="0" pageNumber="35">L</emphasis>
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fruit, cross-section. (Illustration by Mohd Aidil Nordin
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<emphasis bold="true" pageId="0" pageNumber="35">A-I</emphasis>
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from
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<emphasis italics="true" pageId="0" pageNumber="35">Mohd. Hairul et al</emphasis>
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.,
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<emphasis italics="true" pageId="0" pageNumber="35">FRI70884</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="35">J-L</emphasis>
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from
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<emphasis italics="true" pageId="0" pageNumber="35">T.C. Whitmore</emphasis>
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,
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<emphasis italics="true" pageId="0" pageNumber="35">FRI12727</emphasis>
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: scale bar for
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<emphasis bold="true" pageId="0" pageNumber="35">C</emphasis>
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similar to
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<emphasis bold="true" pageId="0" pageNumber="35">D, F</emphasis>
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similar to
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<emphasis bold="true" pageId="0" pageNumber="35">B</emphasis>
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and
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<emphasis bold="true" pageId="0" pageNumber="35">K</emphasis>
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similar to
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<emphasis bold="true" pageId="0" pageNumber="35">L</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="materials_examined">
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<paragraph pageId="0" pageNumber="35">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="35">
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<collectingCountry name="Malaysia">Malaysia</collectingCountry>
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. Peninsular
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<materialsCitation accessionNumber="FRI70884" collectingDate="2010-03-20" collectorName="Hulu, G. Padang" country="Malaysia" elevation="1236" latitude="4.851" location="Terengganu" longLatPrecision="13" longitude="102.887" specimenCount="1" stateProvince="Terengganu" typeStatus="holotype">
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<collectingCountry name="Malaysia">Malaysia</collectingCountry>
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:
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<collectingRegion country="Malaysia" name="Terengganu">Terengganu</collectingRegion>
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,
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<collectorName>Hulu</collectorName>
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<collectingRegion country="Malaysia" name="Terengganu">Terengganu</collectingRegion>
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,
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<collectorName>G. Padang</collectorName>
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, trail to summit of
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<collectorName>G. Padang</collectorName>
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,
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<geoCoordinate degrees="4" direction="north" minutes="51.06" orientation="latitude" precision="9" value="4.851">4°51.06'N</geoCoordinate>
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,
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<geoCoordinate degrees="102" direction="east" minutes="53.22" orientation="longitude" precision="9" value="102.887">102°53.22'E</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="1.236" unit="m" value="1236.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="1.236" unit="m" value="1236.0">1236 m</elevation>
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</quantity>
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alt.,
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<collectingDate value="2010-03-20">20 March 2010</collectingDate>
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(fl.),
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<emphasis italics="true" pageId="0" pageNumber="35">Mohd</emphasis>
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.
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<emphasis italics="true" pageId="0" pageNumber="35">Hairul et al.</emphasis>
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,
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<emphasis italics="true" pageId="0" pageNumber="35">
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<accessionNumber httpUri="http://www.ncbi.nlm.nih.gov/protein/FRI70884">FRI70884</accessionNumber>
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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KEP!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="description">
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<paragraph pageId="0" pageNumber="35">Description.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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A woody shrub with about 2 m high.
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<emphasis italics="true" pageId="0" pageNumber="35">Indumentum</emphasis>
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of scale or short, brown, simple or branched trichomes, with or without glands on vegetative and reproductive part.
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<emphasis italics="true" pageId="0" pageNumber="35">Leaves</emphasis>
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alternate; petiole stout, 1-2 cm long, covered with dense scale; lamina subcoriaceous, elliptic-oblong, 15-23
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<normalizedToken originalValue="×">x</normalizedToken>
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5.5-7.5 cm, base cuneate-attenuate, margin entire, apex acuminate, acumen 1-1.5 cm long, glabrous on both surfaces, except the dense, brown scale beneath; mid-rib flat above, raised below; lateral veins 21-28 pairs, closely spaced, brochidrodromous with double looping in the margin, distinct on upper surface, prominent beneath, intersecondary veins present within each pair; intercostal veins reticulate, distinct on both surfaces.
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<emphasis italics="true" pageId="0" pageNumber="35">Inflorescences</emphasis>
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axillary in the uppermost axils on lateral branches (see Notes), paniculate, ca. 12 cm long, 2 times branched, with flowers umbelliform at the ends of alternate branches, laxly to closely arranged on branchlets; peduncle and rachis 10 cm long, flexuous and winged, densely hairy; bracts lanceolate, ca. 1 mm long, glabrous on both surfaces, margin ciliate, deciduous.
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<emphasis italics="true" pageId="0" pageNumber="35">Flower</emphasis>
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5-merous; pedicels 4-10 mm long, slender and obconically flared towards calyx base, covered with simple brown hairs, sparsely to glabrescent; calyx lobes not overlapping, spreading, covered with 2-4 brown gland-dots abaxially, glabrous on both surfaces, triangular, 1-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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1 mm, margin ciliate, with laxly spaced, pale brown hairs, apex obtuse; corolla contorted, lobes pinkish, with up to two gland-dots near apex abaxially, ovate-acuminate, ca. 3.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5 mm, glabrous on both surfaces; stamens subsessile, anther lanceolate-mucronate, ca. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8 mm, glabrous, except densely covered with gland-dots near mid-rib abaxially, thecae not locellate, dehiscent by longitudinal slits; ovary globose, ca. 1
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<normalizedToken originalValue="×">x</normalizedToken>
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1 mm, glabrous, style and stigma slender, ca. 4 mm long, ovules ca. 12 in two series.
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<emphasis italics="true" pageId="0" pageNumber="35">Fruits</emphasis>
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with dense gland-dots, globose, ca. 4
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<normalizedToken originalValue="×">x</normalizedToken>
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4 mm, glabrous.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="distribution">
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<paragraph pageId="0" pageNumber="35">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="35">Endemic in Peninsular Malaysia, Terengganu (G. Padang).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="ecology">
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<paragraph pageId="0" pageNumber="35">Ecology.</paragraph>
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<paragraph pageId="0" pageNumber="35">Growing in primary lower montane forest.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="etymology">
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<paragraph pageId="0" pageNumber="35">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="35">The species is named after the late Dr Timothy C. Whitmore (1935-2002), a tropical botanist whose interests pertained to all aspects of tropical rain forests and who first collected this species from G. Padang.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="conservation status">
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<paragraph pageId="0" pageNumber="35">Conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Least Concern (LC). This species is found only in one locality and G. Padang is under Taman Negara, which is a protected area. In addition, the habitat is an intact mossy forest where a healthy population was observed along the steep slopes ridge towards the summit plateau (Mohd. Hairul Mohd. Amin, pers. com.). Therefore, it is assessed as Least Concern (LC) according to the Malaysia Red List (
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<bibRefCitation author="Chua, LSL" journalOrPublisher="Science Press, Beijing, and Missouri Botanical Garden Press, St Louis" pageId="0" pageNumber="35" refId="B2" refString="Chua, LSL, Saw, LG, 2006. Malaysia Plant Red List: Guide for Contributors. Forest Research Institute Malaysia, 28 pp." title="Malaysia Plant Red List: Guide for Contributors. Forest Research Institute Malaysia, 28 pp." year="2006">Chua and Saw 2006</bibRefCitation>
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) and IUCN Red List Categories and Criteria (
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<bibRefCitation author="Hu, CM" journalOrPublisher="Blumea" pageId="0" pageNumber="35" refId="B4" refString="IUCN (2012) IUCN Red List Categories and Criteria.Version 3.1. 2nd edn. IUCN Species Survival Commission, IUCN, Gland, Switzerland and Cambridge, UK." year="2002">IUCN 2012</bibRefCitation>
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) and guideline version 15 (
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<bibRefCitation author="Hu, CM" journalOrPublisher="Blumea" pageId="0" pageNumber="35" refId="B5" refString="IUCN Standards and Petitions Committee (2022) Guidelines for Using the IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Committee. [accessed 28 February 2022]" year="2002">IUCN Standards and Petitions Committee 2022</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="additional specimen examined">
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<paragraph pageId="0" pageNumber="35">Additional specimen examined.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Malaysia. Peninsular Malaysia: Terengganu, Gunong [Gunung] Padang Expedition, Summit plateau G. Padang, closed 40 ft. [14 m alt.] lower montane type forest on eastern side of plateau [
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<geoCoordinate degrees="4" direction="north" minutes="51" orientation="latitude" precision="925" value="4.85">4°51'N</geoCoordinate>
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,
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<geoCoordinate degrees="102" direction="east" minutes="52" orientation="longitude" precision="925" value="102.86667">102°52'E</geoCoordinate>
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], 4200 ft. [1280 m alt.], 20 Sept 1969 (fr.),
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<emphasis italics="true" pageId="0" pageNumber="35">T. C. Whitmore</emphasis>
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,
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<emphasis italics="true" pageId="0" pageNumber="35">FRI 12727</emphasis>
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(KEP!).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="notes">
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<paragraph pageId="0" pageNumber="35">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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This species was initially flagged as distinct by Stone who assumed it to be similar to
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<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia sessilis" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="sessilis">
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<emphasis italics="true" pageId="0" pageNumber="35">Ardisia sessilis</emphasis>
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</taxonomicName>
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Scheff., no doubt due to the leaf size and the venation, but to date, there is no valid name for this taxon. Although the new species shows some similarity to
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<taxonomicName genus="A." lsidName="A. sessilis" pageId="0" pageNumber="35" rank="species" species="sessilis">
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<emphasis italics="true" pageId="0" pageNumber="35">A. sessilis</emphasis>
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</taxonomicName>
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in the shape of the leaves (elliptic-oblong), which are in the same size range (15-25 cm long) and in the reticulation (intercostal veins
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<normalizedToken originalValue="±">+/-</normalizedToken>
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reticulate), it differs from the latter in several morphological characteristics, such as the marginal veins absent (but double marginal veins present in
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<taxonomicName genus="A." lsidName="A. sessilis" pageId="0" pageNumber="35" rank="species" species="sessilis">
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<emphasis italics="true" pageId="0" pageNumber="35">A. sessilis</emphasis>
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</taxonomicName>
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), the inflorescence rachis is slender (vs. stout) and the pedicel is longer and slender (vs. short or almost sessile and thick).
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</paragraph>
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<paragraph pageId="0" pageNumber="35">
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There are several members of §
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<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia (Stylardisia)" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="subGenus" subGenus="Stylardisia">
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<emphasis italics="true" pageId="0" pageNumber="35">Ardisia Stylardisia</emphasis>
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</taxonomicName>
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that have large leaves and slender inflorescences rachis, but the new species most resembles
|
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<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia nurii" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="nurii">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Ardisia nurii</emphasis>
|
||
</taxonomicName>
|
||
Furtado in having elliptic-oblong leaves and a brochidrodromous venation. However, the inflorescence in
|
||
<taxonomicName genus="A." lsidName="A. nurii" pageId="0" pageNumber="35" rank="species" species="nurii">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. nurii</emphasis>
|
||
</taxonomicName>
|
||
is usually branched to three and rarely two orders, whereas in
|
||
<taxonomicName genus="A." lsidName="A. whitmorei" pageId="0" pageNumber="35" rank="species" species="whitmorei">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. whitmorei</emphasis>
|
||
</taxonomicName>
|
||
, it is branched to two orders. In addition, the brochidrodromous venation is double looped in
|
||
<taxonomicName genus="A." lsidName="A. whitmorei" pageId="0" pageNumber="35" rank="species" species="whitmorei">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. whitmorei</emphasis>
|
||
</taxonomicName>
|
||
, but not in
|
||
<taxonomicName genus="A." lsidName="A. nurii" pageId="0" pageNumber="35" rank="species" species="nurii">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. nurii</emphasis>
|
||
</taxonomicName>
|
||
. The new species is also similar to
|
||
<taxonomicName genus="A." lsidName="A. pterocaulis" pageId="0" pageNumber="35" rank="species" species="pterocaulis">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. pterocaulis</emphasis>
|
||
</taxonomicName>
|
||
Miq. (
|
||
<taxonomicName genus="A." lsidName="A. platyclada" pageId="0" pageNumber="35" rank="species" species="platyclada">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. platyclada</emphasis>
|
||
</taxonomicName>
|
||
King & Gamble sensu
|
||
<bibRefCitation author="Stone, BC" journalOrPublisher="Academy of Natural Sciences of Philadelphia" pageId="0" pageNumber="35" pagination="263 - 306" refId="B16" refString="Stone, BC, 1989. New and noteworthy Malesian Myrsinaceae, III. On the genus Ardisia Sw. in Borneo. Proceedings. Academy of Natural Sciences of Philadelphia 141: 263 - 306" title="New and noteworthy Malesian Myrsinaceae, III. On the genus Ardisia Sw. in Borneo. Proceedings." volume="141" year="1989">Stone (1989)</bibRefCitation>
|
||
), also with the inflorescence rachis being slender, but
|
||
<taxonomicName genus="A." lsidName="A. whitmorei" pageId="0" pageNumber="35" rank="species" species="whitmorei">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. whitmorei</emphasis>
|
||
</taxonomicName>
|
||
has inflorescences branched to two orders (vs. to three orders in
|
||
<taxonomicName genus="A." lsidName="A. pterocaulis" pageId="0" pageNumber="35" rank="species" species="pterocaulis">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. pterocaulis</emphasis>
|
||
</taxonomicName>
|
||
), has longer leaves, 15-23 cm long (compared to the shorter leaves, 9.5-13 cm long) with a flat lamina surface (vs. bullate), the brochidrodromous lateral veins (vs. meet in prominent looped intramarginal veins) and the corolla lobes are pinkish (vs. waxy white), that are abaxially covered with only two gland-dots near the apex (vs. over the entire surface).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="35">
|
||
The material of
|
||
<taxonomicName genus="A." lsidName="A. whitmorei" pageId="0" pageNumber="35" rank="species" species="whitmorei">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">A. whitmorei</emphasis>
|
||
</taxonomicName>
|
||
currently available for study is rather poor and the inflorescences are found in axils of terminal leaves, but as these inflorescences are large, multi-flowered and paniculate, as well as the flowers having the style projecting from the bud, we are confident this species is best placed within §
|
||
<taxonomicName class="Magnoliopsida" family="Myrsinaceae" genus="Ardisia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ardisia (Stylardisia)" order="Ericales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="subGenus" subGenus="Stylardisia">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Ardisia Stylardisia</emphasis>
|
||
</taxonomicName>
|
||
. The material appears to be of plants that have had the terminal bud removed (they appear damaged at the apex) and we assume the inflorescences have had to appear from lower axils. Other subgenera with axillary inflorescences include §
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Pimelandra</emphasis>
|
||
and §
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Akosmos</emphasis>
|
||
, but the new species has none of the characters for those taxa, i.e. short axillary inflorescences or axillary and terminal inflorescences and both with no style extension prior to anthesis.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="35">
|
||
Excluding
|
||
<taxonomicName class="Liliopsida" family="Zingiberaceae" genus="Conamomum" higherTaxonomySource="IPNI" kingdom="Plantae" lsidName="Conamomum utriculosum" order="Zingiberales" pageId="0" pageNumber="35" phylum="Magnoliophyta" rank="species" species="utriculosum">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Conamomum utriculosum</emphasis>
|
||
</taxonomicName>
|
||
Ridl. (synonym:
|
||
<taxonomicName class="Liliopsida" family="Myrsinaceae" genus="Amomum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Amomum utriculosum" order="Zingiberales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="utriculosum">
|
||
<emphasis italics="true" pageId="0" pageNumber="35">Amomum utriculosum</emphasis>
|
||
</taxonomicName>
|
||
(Ridl.) Holttum), about ten taxa are listed as endemic to G. Padang (
|
||
<bibRefCitation author="Ummul-Nazrah, AR" journalOrPublisher="Malayan Nature Journal" pageId="0" pageNumber="35" pagination="625 - 641" refId="B20" refString="Ummul-Nazrah, AR, Rafidah, AR, Kiew, R, Imin, K, 2011. The botany of Gunung Padang, Terengganu. Malayan Nature Journal 63 (4): 625 - 641" title="The botany of Gunung Padang, Terengganu." volume="63" year="2011">Ummul-Nazrah et al. 2011</bibRefCitation>
|
||
; with more not yet named due to incomplete material, but known to be distinct from known species). The addition of the new species described here brings the total number of endemic species for G. Padang to 11, suggesting that there are very likely more taxa that may be endemic and waiting to be described.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |