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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.98.23903" ID-PMC="PMC5958174" ID-Pensoft-Pub="1314-2003-98-99" ID-Pensoft-UUID="FF968C752E7D003BFFECF22BAF53FFF7" ID-PubMed="29780269" ID-Zenodo-Dep="1249084" ModsDocID="1314-2003-98-99" checkinTime="1526014498123" checkinUser="pensoft" docAuthor="Ummul-Nazrah, Abdul Rahman, Mohd Hairul, Mohd Amin, Kamin, Imin, Kiew, Ruth &amp; Ong, Poh Teck" docDate="2018" docId="38D4D98FE2B2BD2C080633900A4B435B" docLanguage="en" docName="PhytoKeys 98: 99-106" docOrigin="PhytoKeys 98" docPubDate="2018-05-10" docSource="http://dx.doi.org/10.3897/phytokeys.98.23903" docTitle="Vatica najibiana Ummul-Nazrah 2018, sp. nov." docType="treatment" docVersion="7" id="FF968C752E7D003BFFECF22BAF53FFF7" lastPageNumber="99" masterDocId="FF968C752E7D003BFFECF22BAF53FFF7" masterDocTitle="Vatica najibiana (Dipterocarpaceae), a new species from limestone in Peninsular Malaysia" masterLastPageNumber="106" masterPageNumber="99" pageNumber="99" updateTime="1668142296320" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Vatica najibiana (Dipterocarpaceae), a new species from limestone in Peninsular Malaysia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ummul-Nazrah, Abdul Rahman</mods:namePart>
<mods:affiliation>Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia</mods:affiliation>
<mods:nameIdentifier type="email">ummul@frim.gov.my</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Mohd Hairul, Mohd Amin</mods:namePart>
<mods:affiliation>Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kamin, Imin</mods:namePart>
<mods:affiliation>Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kiew, Ruth</mods:namePart>
<mods:affiliation>Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ong, Poh Teck</mods:namePart>
<mods:affiliation>Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="pubDate">
<mods:number>2018-05-10</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>98</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>99</mods:start>
<mods:end>106</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.98.23903</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.98.23903</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-98-99</mods:identifier>
<mods:identifier type="Pensoft-UUID">FF968C752E7D003BFFECF22BAF53FFF7</mods:identifier>
<mods:identifier type="Zenodo-Dep">1249084</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="143935128" LSID="urn:lsid:plazi:treatment:38D4D98FE2B2BD2C080633900A4B435B" httpUri="http://treatment.plazi.org/id/38D4D98FE2B2BD2C080633900A4B435B" lastPageNumber="99" pageId="0" pageNumber="99">
<subSubSection pageId="0" pageNumber="99" type="nomenclature">
<paragraph pageId="0" pageNumber="99">
<taxonomicName LSID="38D4D98F-E2B2-BD2C-0806-33900A4B435B" authority="Ummul-Nazrah" authorityName="Ummul-Nazrah" authorityYear="2018" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica najibiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="najibiana" status="sp. nov.">Vatica najibiana Ummul-Nazrah</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="99">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Vatica najibiana. A Plant in its natural habitat B Bole C Inner bark D-E Leafy shoots with infructescences F Fruit. (Photographs by K. Imin &amp; A. R. Ummul-Nazrah)." figureDoi="10.3897/phytokeys..23903.figure1" httpUri="https://binary.pensoft.net/fig/202516" pageId="0" pageNumber="99">Figures 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Vatica najibiana. A Leafy shoot with fruits B Calyx C Petal D-E Fruit F Long &amp; short calyx lobes of fruit G Stellate hair H Fruit nut. (Drawn by N. Mohamad-Aidil from Ummul-Nazrah et al. FRI 86369)." figureDoi="10.3897/phytokeys..23903.figure2" httpUri="https://binary.pensoft.net/fig/202517" pageId="0" pageNumber="99">, 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="diagnosis">
<paragraph pageId="0" pageNumber="99">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="99">
Amongst the Vaticas with a half inferior ovary, it groups with
<taxonomicName class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica harmandiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="harmandiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica harmandiana</emphasis>
</taxonomicName>
and
<taxonomicName authority="(Griff.) Symington subsp. odorata" lsidName="V. odorata subsp. odorata" pageId="0" pageNumber="99" rank="subSpecies" species="odorata" subSpecies="odorata">V. odorata (Griff.) Symington subsp. odorata</taxonomicName>
.
<taxonomicName class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica harmandiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="harmandiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica harmandiana</emphasis>
</taxonomicName>
occurs on limestone hills and rocks but is different in having leaves that are elliptic-lanceolate, leaf base cuneate and nut diameter 7-10 mm as oppose to the obovate-elliptic leaf, leaf base cordate-subcordate and nut diameter of 5-6 mm in
<taxonomicName lsidName="V. najibiana" pageId="0" pageNumber="99" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">V. najibiana</emphasis>
</taxonomicName>
.
<taxonomicName authority="subsp. odorata" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica odorata subsp. odorata" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="subSpecies" species="odorata" subSpecies="odorata">Vatica odorata subsp. odorata</taxonomicName>
is closely similar to the new species but can be separated by its elliptic-oblong leaf, leaf base obtuse, leaf apex acuminate, nut diameter 8-9 mm and occurrence in lowland and hill forest (Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Differences between Vatica najibiana, V. odorata subsp. odorata and V. harmandiana." httpUri="http://table.plazi.org/id/D7BAB04A26D225294B71975506D88C1E" pageId="0" pageNumber="99" tableUuid="D7BAB04A26D225294B71975506D88C1E">1</tableCitation>
).
</paragraph>
<caption ID-Table-UUID="D7BAB04A26D225294B71975506D88C1E" httpUri="http://table.plazi.org/id/D7BAB04A26D225294B71975506D88C1E" pageId="0" pageNumber="99" start="Table 1" startId="T1">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Table 1.</emphasis>
Differences between
<taxonomicName authorityName="Ummul-Nazrah" authorityYear="2018" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica najibiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica najibiana</emphasis>
</taxonomicName>
,
<taxonomicName authority="subsp. odorata" lsidName="V. odorata subsp. odorata" pageId="0" pageNumber="99" rank="subSpecies" species="odorata" subSpecies="odorata">V. odorata subsp. odorata</taxonomicName>
and
<taxonomicName lsidName="V. harmandiana" pageId="0" pageNumber="99" rank="species" species="harmandiana">
<emphasis italics="true" pageId="0" pageNumber="99">V. harmandiana</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="99">
<table pageId="0" pageNumber="99">
<tr pageId="0" pageNumber="99">
<th colspan="1" pageId="0" pageNumber="99" rowspan="1">Character</th>
<th colspan="1" pageId="0" pageNumber="99" rowspan="1">
<taxonomicName lsidName="V. najibiana" pageId="0" pageNumber="99" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">V. najibiana</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="99" rowspan="1">
<taxonomicName authority="subsp. odorata" lsidName="V. odorata subsp. odorata" pageId="0" pageNumber="99" rank="subSpecies" species="odorata" subSpecies="odorata">V. odorata subsp. odorata</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="99" rowspan="1">
<taxonomicName lsidName="V. harmandiana" pageId="0" pageNumber="99" rank="species" species="harmandiana">
<emphasis italics="true" pageId="0" pageNumber="99">V. harmandiana</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Habit</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Small tree to 5-7 m</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Tall tree to 24 m</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Tree, 15-24 m</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="4" pageId="0" pageNumber="99" rowspan="1">Leaves</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Petiole indumentum</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Dark brown</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Mid brown (reddish-brown)</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Pale brown</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lamina shape</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Obovate to elliptic</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Elliptic to oblong</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Elliptic to lanceolate</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lamina size (cm)</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
(3-)5-10.2
<normalizedToken originalValue="×">x</normalizedToken>
1.5-5
</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
8-16
<normalizedToken originalValue="×">x</normalizedToken>
2.7-6
</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
5.2-12
<normalizedToken originalValue="×">x</normalizedToken>
(1.8-)2-5
</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lamina base</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Cordate to subcordate</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Obtuse</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Cuneate</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lamina margin</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Recurved</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Not recurved</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Not recurved</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lamina apex</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Acute</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Acuminate</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Blunt to acute</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">No. of lateral veins (pairs)</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">(6-)7-10</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">9-15</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">7-8</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="4" pageId="0" pageNumber="99" rowspan="1">Fruits</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Calyx lobes length (cm)</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
2.3-3.3
<normalizedToken originalValue="×">x</normalizedToken>
0.5-0.8
</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
4-5.5
<normalizedToken originalValue="×">x</normalizedToken>
1-1.5
</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">
2.6-7
<normalizedToken originalValue="×">x</normalizedToken>
1-1.8
</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Nut Diameter (mm)</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">5-6</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">8-9</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">7-10</td>
</tr>
<tr pageId="0" pageNumber="99">
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Habitat</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Limestone only</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Lowland and hill forest</td>
<td colspan="1" pageId="0" pageNumber="99" rowspan="1">Limestone only</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="materials_examined">
<paragraph pageId="0" pageNumber="99">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="99">
<materialsCitation accessionNumber="FRI 86369" collectingDate="2016-10-19" country="Malaysia" county="Peninsular" latitude="5.0466113" location="Relai Forest Reserve" longLatPrecision="1" longitude="102.19544" municipality="Gua Musang District" specimenCount="1" stateProvince="Kelantan" typeStatus="holotype">
<collectingCounty>Peninsular</collectingCounty>
<collectingCountry name="Malaysia">Malaysia</collectingCountry>
.
<collectingRegion country="Malaysia" name="Kelantan">Kelantan</collectingRegion>
,
<collectingMunicipality>Gua Musang District</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:38D4D98FE2B2BD2C080633900A4B435B:E1044062D2CF3114847522D93BE4626F" country="Malaysia" county="Peninsular" latitude="5.0466113" longLatPrecision="1" longitude="102.19544" municipality="Gua Musang District" name="Relai Forest Reserve" stateProvince="Kelantan">Relai Forest Reserve</location>
(Ktn 50),
<geoCoordinate degrees="05" direction="north" minutes="02" orientation="latitude" precision="1" seconds="47.8" value="5.0466113">05°02'47.8&quot;N</geoCoordinate>
,
<geoCoordinate degrees="102" direction="east" minutes="11" orientation="longitude" precision="1" seconds="43.6" value="102.19544">102°11'43.6&quot;E</geoCoordinate>
,
<collectingDate value="2016-10-19">19 October 2016</collectingDate>
, Ummul-Nazrah et al.
<accessionNumber httpUri="http://www.ncbi.nlm.nih.gov/protein/FRI86369">FRI 86369</accessionNumber>
(
<typeStatus>holotype</typeStatus>
KEP!; isotypes K!, SAN!, SING!)
</materialsCitation>
.
</paragraph>
<caption ID-Zenodo-Dep="1249096" doi="10.3897/phytokeys..23903.figure1" httpUri="https://binary.pensoft.net/fig/202516" pageId="0" pageNumber="99" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Figure 1.</emphasis>
<taxonomicName authorityName="Ummul-Nazrah" authorityYear="2018" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica najibiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica najibiana</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="99">A</emphasis>
Plant in its natural habitat
<emphasis bold="true" pageId="0" pageNumber="99">B</emphasis>
Bole
<emphasis bold="true" pageId="0" pageNumber="99">C</emphasis>
Inner bark
<emphasis bold="true" pageId="0" pageNumber="99">D-E</emphasis>
Leafy shoots with infructescences
<emphasis bold="true" pageId="0" pageNumber="99">F</emphasis>
Fruit. (Photographs by K. Imin &amp; A.R. Ummul-Nazrah).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1249098" doi="10.3897/phytokeys..23903.figure2" httpUri="https://binary.pensoft.net/fig/202517" pageId="0" pageNumber="99" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Figure 2.</emphasis>
<taxonomicName authorityName="Ummul-Nazrah" authorityYear="2018" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica najibiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica najibiana</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="99">A</emphasis>
Leafy shoot with fruits
<emphasis bold="true" pageId="0" pageNumber="99">B</emphasis>
Calyx
<emphasis bold="true" pageId="0" pageNumber="99">C</emphasis>
Petal
<emphasis bold="true" pageId="0" pageNumber="99">D-E</emphasis>
Fruit
<emphasis bold="true" pageId="0" pageNumber="99">F</emphasis>
Long &amp; short calyx lobes of fruit
<emphasis bold="true" pageId="0" pageNumber="99">G</emphasis>
Stellate hair
<emphasis bold="true" pageId="0" pageNumber="99">H</emphasis>
Fruit nut. (Drawn by N. Mohamad-Aidil from Ummul-Nazrah et al.
<accessionNumber httpUri="http://www.ncbi.nlm.nih.gov/protein/FRI86369">FRI 86369</accessionNumber>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="description">
<paragraph pageId="0" pageNumber="99">Description.</paragraph>
<paragraph pageId="0" pageNumber="99">
Small tree, 5-7 m tall; bole to 15-17 cm diameter, without buttresses.
<emphasis bold="true" pageId="0" pageNumber="99">Bark</emphasis>
smooth with faint horizontal rings, dark brown with white lichen patches; inner bark pale yellow, exuding clear sap when cut.
<emphasis bold="true" pageId="0" pageNumber="99">Twigs</emphasis>
robust, 3-5 mm diameter, covered with 6-15-armed stellate hairs, 94-169
<normalizedToken originalValue="µm">µm</normalizedToken>
diameter, glabrous when mature, older twigs terete.
<emphasis bold="true" pageId="0" pageNumber="99">Leaves</emphasis>
when young brown rusty beneath, glabrous when mature; petioles 0.8-1.5 cm long, 0.1-0.2 cm wide, densely covered with stellate hairs, caducous when mature, drying dark brown; lamina obovate to elliptic, (3-)5-10.2
<normalizedToken originalValue="×">x</normalizedToken>
1.5-5 cm, thickly chartaceous, bullate, green on both surfaces when fresh, base cordate to subcordate, margin entire and recurved, apex acute; midrib prominent on both surfaces; lateral veins (6-)7-10 pairs, prominent below, slightly raised and visible above, ascending to margin; intercostal veins reticulate-scalariform and slightly conspicuous on both surfaces.
<emphasis bold="true" pageId="0" pageNumber="99">Flowers</emphasis>
: (dry) pedicels with velvety brown stellate hairs; calyx 5-lobed, elliptic, 4-7
<normalizedToken originalValue="×">x</normalizedToken>
ca. 1 mm, densely covered with stellate hairs on both surfaces, apex acute; petals narrowly elliptic, ca. 6
<normalizedToken originalValue="×">x</normalizedToken>
2 mm, glabrous outside, inside from base to tip completely covered with 6-10-armed stellate hairs, 77-120
<normalizedToken originalValue="µm">µm</normalizedToken>
diameter.
<emphasis bold="true" pageId="0" pageNumber="99">Infructescence</emphasis>
axillary, near apex of leafy shoot, ca. 4 cm long, densely covered with rusty stellate hairs, branching once or twice, densely covered with stellate hairs; first branches with 1-7 fruits along axis, nodes 4-5 mm apart.
<emphasis bold="true" pageId="0" pageNumber="99">Fruits</emphasis>
: stalks 1-2 mm long, ca. 1 mm thick at base, covered with caducous stellate hairs; in life mature calyx red-brown, chartaceous, lobes 5, 2-3 larger than rest, attached to half inferior ovary, above forming a cup, glabrous outside, inner part at base completely covered with stellate hairs, lobes elliptic, apex rounded with 5 longitudinal prominent veins on the adaxial surface, 2.3-3.3
<normalizedToken originalValue="×">x</normalizedToken>
0.5-0.8 cm; shorter lobes 0.8-1
<normalizedToken originalValue="×">x</normalizedToken>
ca. 0.2 cm; nut ovoid, 5-6 mm diameter, with persistent stigma, densely covered with stellate hairs, half hidden within calyx.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="distribution">
<paragraph pageId="0" pageNumber="99">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="99">Endemic in Peninsular Malaysia, known only from Kelantan (Relai Forest Reserve, Gua Musang) and Pahang (Gua Tanggang, Merapoh).</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="etymology">
<paragraph pageId="0" pageNumber="99">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="99">
This species is named in honour of the Prime Minister of Malaysia,
<normalizedToken originalValue="Dato’">Dato'</normalizedToken>
Sri Mohd Najib bin Tun Abdul Razak, for his strong interest in nature conservation and protection of the environment.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="provisional conservation status">
<paragraph pageId="0" pageNumber="99">Provisional conservation status.</paragraph>
<paragraph pageId="0" pageNumber="99">
Endangered B2ab(iii). This species is known from the summit of two isolated karst limestone hills in Relai Forest Reserve, Gua Musang District, Kelantan and Gua Tanggang, Merapoh, Pahang, about 40 km apart (
<bibRefCitation author="Liew, TS" journalOrPublisher="Tropical Conservation Science" pageId="0" pageNumber="99" pagination="903 - 920" publicationUrl="http://www.tropicalconservationscience.org" refId="B11" refString="Liew, TS, Price, L, Clements, GR, 2016. Using Google Earth to improve the management of threatened limestone karst ecosystems in Peninsular Malaysia. Tropical Conservation Science 9 (2): 903 - 920, DOI: https://doi.org/10.1177/194008291600900219" title="Using Google Earth to improve the management of threatened limestone karst ecosystems in Peninsular Malaysia." url="http://www.tropicalconservationscience.org" volume="9" year="2016">Liew et al. 2016</bibRefCitation>
). Together they have an area of occupancy of less than 10 km2 (Figure
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Distribution of Vatica najibiana in Peninsular Malaysia." figureDoi="10.3897/phytokeys..23903.figure3" httpUri="https://binary.pensoft.net/fig/202518" pageId="0" pageNumber="99">3</figureCitation>
). The Relai Forest Reserve is classified as a permanent forest reserve but is currently threatened by encroachment by oil palm plantations that pose a high risk of burning to the limestone vegetation, as well as disturbance from ongoing logging in the Sungai Relai Forest Reserve. Gua Tanggang in Merapoh, on the other hand, is situated outside of Taman Negara which means that it is not in a protected area.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="habitat">
<paragraph pageId="0" pageNumber="99">Habitat.</paragraph>
<paragraph pageId="0" pageNumber="99">It is an emergent tree on the rugged summit of karst limestone at 178-520 m altitude growing in rock fissures with a thick layer of leaf litter.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="phenology">
<paragraph pageId="0" pageNumber="99">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="99">Fruiting specimens were collected in Relai Forest Reserve in October and Gua Tanggang in early August; complete flowers not seen but in October, many calyces and a few petals were collected.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="additional specimen examined">
<paragraph pageId="0" pageNumber="99">Additional specimen examined.</paragraph>
<paragraph pageId="0" pageNumber="99">
Peninsular Malaysia. Pahang, Lipis District, Merapoh, Gua Tanggang,
<geoCoordinate degrees="4.410000" direction="north" orientation="latitude" precision="1" value="4.41">4.410000N</geoCoordinate>
,
<geoCoordinate degrees="102.055000" direction="east" orientation="longitude" precision="1" value="102.055">102.055000E</geoCoordinate>
, 520 m alt., 6 August 1996, Saw et al. FRI 44774 (KEP!)
</paragraph>
<caption ID-Zenodo-Dep="1249100" doi="10.3897/phytokeys..23903.figure3" httpUri="https://binary.pensoft.net/fig/202518" pageId="0" pageNumber="99" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Figure 3.</emphasis>
Distribution of
<taxonomicName authorityName="Ummul-Nazrah" authorityYear="2018" class="Magnoliopsida" family="Dipterocarpaceae" genus="Vatica" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vatica najibiana" order="Malvales" pageId="0" pageNumber="99" phylum="Tracheophyta" rank="species" species="najibiana">
<emphasis italics="true" pageId="0" pageNumber="99">Vatica najibiana</emphasis>
</taxonomicName>
in Peninsular Malaysia.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>
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