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<document ID-DOI="10.11646/phytotaxa.581.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7571550" approvalRequired="50" approvalRequired_for_taxonomicNames="15" approvalRequired_for_textStreams="30" approvalRequired_for_treatments="5" checkinTime="1674712547726" checkinUser="plazi" docAuthor="Dang, Van-Son &amp; Naiki, Akiyo" docDate="2023" docId="43284262FFF2FFB35AB6FD8F418CC95C" docLanguage="en" docName="phytotaxa.581.1.1.pdf" docOrigin="Phytotaxa 581 (1)" docSource="http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN" docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.1:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="1" docTitle="Lasianthus oblongilobus H. Zhu 2002" docType="treatment" docVersion="2" lastPageNumber="1935" masterDocId="BF113A1AFF9FFFDE5A3EFFA54026CC48" masterDocTitle="A revision of the genus Lasianthus Jack (Rubiaceae) from Vietnam" masterLastPageNumber="1935" masterPageNumber="1921" pageNumber="1921" updateTime="1674713874756" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A revision of the genus Lasianthus Jack (Rubiaceae) from Vietnam</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Dang, Van-Son</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-8681-4141</mods:nameIdentifier>
<mods:affiliation>Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. &amp; Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan Street, District 3, Ho Chi Minh City, Vietnam. &amp; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam. &amp; dvsonitb @ gmail. com; https: // orcid. org / 0000 - 0001 - 8681 - 4141</mods:affiliation>
<mods:nameIdentifier type="email">dvsonitb@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Naiki, Akiyo</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-3235-2823</mods:nameIdentifier>
<mods:affiliation>Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. &amp; Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. &amp; naiki @ lab. u-ryukyu. ac. jp; https: // orcid. org / 0000 - 0002 - 3235 - 2823 * Author for correspondence</mods:affiliation>
<mods:nameIdentifier type="email">naiki@lab.u-ryukyu.ac.jp</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-01-26</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>581</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1921</mods:start>
<mods:end>1935</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/phytotaxa.581.1.1</mods:identifier>
<mods:identifier type="ISSN">1179-3163</mods:identifier>
<mods:identifier type="Zenodo-Dep">7571550</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.7571840" ID-Zenodo-Dep="7571840" LSID="urn:lsid:plazi:treatment:43284262FFF2FFB35AB6FD8F418CC95C" httpUri="http://treatment.plazi.org/id/43284262FFF2FFB35AB6FD8F418CC95C" pageId="109">
<subSubSection box="[136,1036,554,581]" pageId="109" type="nomenclature">
<paragraph blockId="109.[136,1451,554,652]" box="[136,1036,554,581]" pageId="109">
<emphasis bold="true" box="[136,171,554,580]" pageId="109">54.</emphasis>
<taxonomicName ID-CoL="3SCQ5" authority="H. Zhu (2002: 400)" authorityName="H. Zhu" authorityPageNumber="400" authorityYear="2002" box="[178,682,554,581]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="109" phylum="Tracheophyta" rank="species" species="oblongilobus">
<emphasis bold="true" box="[178,463,554,581]" italics="true" pageId="109">Lasianthus oblongilobus</emphasis>
H.Zhu (2002: 400)
</taxonomicName>
<figureCitation box="[712,789,554,580]" captionStart="FIGURE 82" captionStartId="110.[136,229,1795,1817]" captionTargetBox="[168,1412,211,1765]" captionTargetId="figure-24@110.[164,1420,209,1770]" captionTargetPageId="110" captionText="FIGURE 82. Lasianthus oblongilobus H.Zhu (from N10109, VNM and the herbarium of Iriomote Station (Japan)): A. Branch, B. Closeup of expanding young leaves, C. Stipules, D.Abaxial leaf surfaces, EF. Inflorescence showing side view flower buds, GI. Young fruits, J. Mature fruits." figureDoi="http://doi.org/10.5281/zenodo.7571806" httpUri="https://zenodo.org/record/7571806/files/figure.png" pageId="109">Fig. 82</figureCitation>
(plate),
<figureCitation box="[883,962,554,580]" captionStart="FIGURE 78" captionStartId="104.[136,229,1799,1821]" captionTargetBox="[176,1405,209,1763]" captionTargetId="figure-25@104.[165,1418,193,1775]" captionTargetPageId="104" captionText="FIGURE 78. Distribution maps of Lasianthus nghiasonii, L. nhatrangensis, L. ngoclinhensis, L. nuichuaensis and L. oblongilobus." figureDoi="http://doi.org/10.5281/zenodo.7571792" httpUri="https://zenodo.org/record/7571792/files/figure.png" pageId="109">Fig. 78</figureCitation>
(map)
</paragraph>
</subSubSection>
<subSubSection pageId="109" type="materials_examined">
<paragraph blockId="109.[136,1451,554,652]" pageId="109">
<emphasis bold="true" box="[136,194,594,615]" pageId="109">Type:</emphasis>
<materialsCitation collectingDate="1997-04-22" collectionCode="AAU" collectorName="Averyanov L. &amp; Nguyen Q. B. &amp; Nguyen T. H." country="Vietnam" elevation="1550" location="Khanh Son District" pageId="109" specimenCount="1" stateProvince="Khanh Hoa" typeStatus="holotype">
<collectingCountry box="[219,332,594,615]" name="Vietnam" pageId="109">VIETNAM</collectingCountry>
.
<collectingRegion box="[342,547,594,616]" country="Vietnam" name="Khanh Hoa" pageId="109">Khanh Hoa Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:43284262FFF2FFB35AB6FD8F418CC95C:CE5EA5AFFFF2FFB35813FDF742CDCE20" box="[557,747,594,616]" country="Vietnam" name="Khanh Son District" pageId="109" stateProvince="Khanh Hoa">Khanh Son District</location>
,
<quantity box="[757,890,594,616]" metricMagnitude="3" metricUnit="m" metricValue="1.55" metricValueMax="1.6" metricValueMin="1.5" pageId="109" unit="m" value="1550.0" valueMax="1600.0" valueMin="1500.0">
<elevation box="[757,890,594,616]" metricMagnitude="3" metricUnit="m" metricValue="1.55" metricValueMax="1.6" metricValueMin="1.5" pageId="109" unit="m" value="1550.0" valueMax="1600.0" valueMin="1500.0">15001600 m</elevation>
</quantity>
elev.,
<date box="[954,1091,594,616]" pageId="109" value="1997-04-22">
<collectingDate box="[954,1091,594,616]" pageId="109" value="1997-04-22">22 April 1997</collectingDate>
</date>
,
<emphasis italics="true" pageId="109">
<collectorName box="[1101,1231,594,615]" pageId="109">Averyanov L.</collectorName>
,
<collectorName box="[1241,1368,594,615]" pageId="109">Nguyen Q.B.</collectorName>
,
<collectorName pageId="109">Nguyen T.H.</collectorName>
VH 4153
</emphasis>
(
<typeStatus box="[335,421,630,652]" pageId="109">holotype</typeStatus>
<collectionCode box="[425,486,630,651]" country="Ethiopia" name="Addis Ababa University, Department of Biology" pageId="109">AAU</collectionCode>
!)
</materialsCitation>
.
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" pageId="109">
<emphasis bold="true" box="[136,391,698,724]" pageId="109">
<collectingRegion box="[136,262,698,724]" pageId="109">Specimens</collectingRegion>
examined:
</emphasis>
<materialsCitation collectingDate="1923-05" collectingDateMax="2014-11-19" collectingDateMin="1923-05" collectionCode="FU, VNM" collectorName="Toyama H. &amp; Tagane S. &amp; Dang V. S. &amp; Nagamasu H. &amp; Naiki A. &amp; Tran H. &amp; Yang C. J." country="Vietnam" elevation="1655" location="Bidoup National Park" pageId="109" specimenCount="1" stateProvince="Lam Dong">
<collectingCountry box="[420,552,698,724]" name="Vietnam" pageId="109">VIETNAM</collectingCountry>
.
<emphasis bold="true" box="[560,661,698,724]" pageId="109">Central:</emphasis>
<collectingRegion box="[665,890,698,725]" country="Vietnam" name="Lam Dong" pageId="109">Lam Dong Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:43284262FFF2FFB35AB6FD8F418CC95C:CE5EA5AFFFF2FFB359BDFD1F4453CE9C" box="[899,1141,698,724]" country="Vietnam" name="Bidoup National Park" pageId="109" stateProvince="Lam Dong">Bidoup National Park</location>
,
<quantity box="[1150,1233,698,725]" metricMagnitude="3" metricUnit="m" metricValue="1.655" pageId="109" unit="m" value="1655.0">
<elevation box="[1150,1233,698,725]" metricMagnitude="3" metricUnit="m" metricValue="1.655" pageId="109" unit="m" value="1655.0">1655 m</elevation>
</quantity>
elev.,
<date pageId="109" value="2014-11-19">
<collectingDate pageId="109" value="2014-11-19">19 November 2014</collectingDate>
</date>
,
<emphasis box="[207,1164,734,761]" italics="true" pageId="109">
<collectorName box="[207,332,735,760]" pageId="109">Toyama H.</collectorName>
,
<collectorName box="[344,456,735,761]" pageId="109">Tagane S.</collectorName>
,
<collectorName box="[470,584,735,761]" pageId="109">Dang V.S.</collectorName>
,
<collectorName box="[596,754,735,760]" pageId="109">Nagamasu H.</collectorName>
,
<collectorName box="[766,860,734,761]" pageId="109">Naiki A.</collectorName>
,
<collectorName box="[873,963,735,760]" pageId="109">Tran H.</collectorName>
,
<collectorName box="[976,1084,735,761]" pageId="109">Yang C.J.</collectorName>
<date box="[1091,1164,734,760]" pageId="109" value="1923-05">
<collectingDate box="[1091,1164,734,760]" pageId="109" value="1923-05">V1923</collectingDate>
</date>
</emphasis>
(
<collectionCode box="[1180,1220,734,760]" country="China" name="Fudan University, Department of Biology" pageId="109">FU</collectionCode>
,
<collectionCode box="[1232,1302,734,760]" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" pageId="109" type="Herbarium">VNM</collectionCode>
)
</materialsCitation>
;
<materialsCitation accessionNumber="N10109" collectingDate="2017-11-26" collectingDateMax="2014-11-19" collectingDateMin="1923-05" collectionCode="VNM" collectorName="Dang V. S. &amp; Naiki A. &amp; Japan" country="Vietnam" elevation="1658" location="Iriomote Station" pageId="109" specimenCount="1" stateProvince="Central">
in the same location,
<quantity box="[241,327,770,797]" metricMagnitude="3" metricUnit="m" metricValue="1.658" pageId="109" unit="m" value="1658.0">
<elevation box="[241,327,770,797]" metricMagnitude="3" metricUnit="m" metricValue="1.658" pageId="109" unit="m" value="1658.0">1658 m</elevation>
</quantity>
elev.,
<date box="[402,623,770,796]" pageId="109" value="2017-11-26">
<collectingDate box="[402,623,770,796]" pageId="109" value="2017-11-26">26 November 2017</collectingDate>
</date>
,
<emphasis box="[635,973,770,797]" italics="true" pageId="109">
<collectorName box="[635,747,771,797]" pageId="109">Dang V.S.</collectorName>
&amp;
<collectorName box="[784,877,770,797]" pageId="109">Naiki A.</collectorName>
<accessionNumber box="[885,973,770,796]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/N10109" pageId="109">N10109</accessionNumber>
</emphasis>
(
<collectionCode box="[989,1059,770,796]" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" pageId="109" type="Herbarium">VNM</collectionCode>
, the herbarium of
<location LSID="urn:lsid:plazi:treatment:43284262FFF2FFB35AB6FD8F418CC95C:CE5EA5AFFFF2FFB35ECAFCA7458DCF54" box="[1268,1451,770,796]" country="Vietnam" name="Iriomote Station" pageId="109" stateProvince="Central">Iriomote Station</location>
(
<collectorName box="[144,213,806,832]" pageId="109">Japan</collectorName>
))
</materialsCitation>
;
<materialsCitation collectingDate="2018-07-24" collectionCode="VNM" collectorName="Dang V. S. &amp; Hoang N. T. B. N. &amp; Dang" country="Vietnam" elevation="1518" location="Nha Trang City" municipality="Hon Ba Nature Reserve" pageId="109" specimenCount="1" stateProvince="Khanh Hoa">
<collectingRegion box="[243,482,806,833]" country="Vietnam" name="Khanh Hoa" pageId="109">Khanh Hoa Province</collectingRegion>
,
<collectingMunicipality box="[495,767,807,833]" pageId="109">Hon Ba Nature Reserve</collectingMunicipality>
,
<quantity box="[779,851,806,832]" metricMagnitude="4" metricUnit="m" metricValue="3.0" pageId="109" unit="km" value="30.0">30 km</quantity>
west of
<location LSID="urn:lsid:plazi:treatment:43284262FFF2FFB35AB6FD8F418CC95C:CE5EA5AFFFF2FFB3598BFC834443CF08" box="[949,1125,806,833]" country="Vietnam" municipality="Hon Ba Nature Reserve" name="Nha Trang City" pageId="109" stateProvince="Khanh Hoa">Nha Trang City</location>
,
<quantity box="[1138,1224,806,833]" metricMagnitude="3" metricUnit="m" metricValue="1.518" pageId="109" unit="m" value="1518.0">
<elevation box="[1138,1224,806,833]" metricMagnitude="3" metricUnit="m" metricValue="1.518" pageId="109" unit="m" value="1518.0">1518 m</elevation>
</quantity>
elev.,
<date box="[1298,1447,806,832]" pageId="109" value="2018-07-24">
<collectingDate box="[1298,1447,806,832]" pageId="109" value="2018-07-24">24 July 2018</collectingDate>
</date>
,
<emphasis box="[136,587,842,869]" italics="true" pageId="109">
<collectorName box="[136,247,843,869]" pageId="109">Dang V.S.</collectorName>
&amp;
<collectorName box="[283,465,843,868]" pageId="109">Hoang N.T.B.N.</collectorName>
,
<collectorName box="[476,538,843,868]" pageId="109">Dang</collectorName>
194
</emphasis>
(
<collectionCode box="[602,673,842,868]" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" pageId="109" type="Herbarium">VNM</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="109" type="distribution">
<paragraph blockId="109.[136,1452,698,1300]" pageId="109">
<emphasis bold="true" box="[189,345,878,904]" pageId="109">Distribution:</emphasis>
—Endemic to
<collectingCountry box="[514,609,878,904]" name="Vietnam" pageId="109">Vietnam</collectingCountry>
(currently known as Khanh Son District and Hon Ba Nature Reserve of
<collectingRegion box="[136,371,914,941]" country="Vietnam" name="Khanh Hoa" pageId="109">Khanh Hoa Province</collectingRegion>
and Biduoup Nui Ba National Park of
<collectingRegion box="[808,1041,914,941]" country="Vietnam" name="Lam Dong" pageId="109">Lam Dong Province</collectingRegion>
).
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" pageId="109">
<emphasis bold="true" box="[189,422,950,976]" pageId="109">Habitat &amp; Ecology:</emphasis>
—Growing under the canopy of an evergreen forest or the edge of a montane forest at
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.45" metricValueMax="1.7" metricValueMin="1.2" pageId="109" unit="m" value="1450.0" valueMax="1700.0" valueMin="1200.0">1200 1700 m</quantity>
elev.
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" box="[189,877,1022,1049]" pageId="109">
<emphasis bold="true" box="[189,323,1022,1048]" pageId="109">Phenology:</emphasis>
—Flowering and fruiting from July to December.
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" box="[189,666,1058,1087]" pageId="109">
<emphasis bold="true" box="[189,405,1058,1084]" pageId="109">Vernacular name:</emphasis>
—Xú hưƠng đài thuôn.
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" pageId="109">
<emphasis bold="true" box="[189,265,1094,1120]" pageId="109">Notes:</emphasis>
<taxonomicName box="[294,573,1094,1120]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="109" phylum="Tracheophyta" rank="species" species="oblongilobus">
<emphasis box="[294,573,1094,1120]" italics="true" pageId="109">Lasianthus oblongilobus</emphasis>
</taxonomicName>
was described as new from a Vietnamese specimen by Zhu (2002). This is characterized by having elliptic-lanceolate leaves, secondary veins 56 on each side of midrib, calyx lobes oblong and
<quantity box="[136,250,1166,1193]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="109" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.52 mm</quantity>
long.
</paragraph>
<paragraph blockId="109.[136,1452,698,1300]" pageId="109">
Additional fruit morphology for
<taxonomicName box="[562,739,1202,1228]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="109" phylum="Tracheophyta" rank="species" species="oblongilobus">
<emphasis box="[562,739,1202,1228]" italics="true" pageId="109">L. oblongilobus</emphasis>
</taxonomicName>
: fruits globose,
<quantity box="[926,1021,1202,1229]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="109" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">45 mm</quantity>
diam., smooth, glabrous, crowned by calyx lobes, yellowish-orange when ripe; pyrenes 4. Seed ovoid,
<quantity box="[874,968,1238,1265]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="109" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">23 mm</quantity>
long, irregular sulcate on the abaxial face, blackish brown when dry.
</paragraph>
</subSubSection>
</treatment>
</document>