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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="43284262FFBBFFFA5AB6FBE3456DCB1C" 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 capitatus subsp. vietnamensis H. Zhu 2000" 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 LSID="urn:lsid:plazi:treatment:43284262FFBBFFFA5AB6FBE3456DCB1C" httpUri="http://treatment.plazi.org/id/43284262FFBBFFFA5AB6FBE3456DCB1C" pageId="36">
<subSubSection pageId="36" type="nomenclature">
<paragraph blockId="36.[136,1451,1094,1264]" pageId="36">
<emphasis bold="true" box="[136,171,1094,1120]" pageId="36">10.</emphasis>
<taxonomicName ID-CoL="5J9LF" authority="H. Zhu (2000: 397)" authorityName="H. Zhu" authorityPageNumber="397" authorityYear="2000" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="36" phylum="Tracheophyta" rank="subSpecies" species="capitatus" subSpecies="vietnamensis">
<emphasis bold="true" box="[178,418,1094,1121]" italics="true" pageId="36">Lasianthus capitatus</emphasis>
<materialsCitation collectingDate="1995-04-04" collectorName="Averyanov L. &amp; Nguyen T. B" country="Vietnam" elevation="1750" location="Ngoc Linh Nature Reserve" pageId="36" specimenCount="1" stateProvince="Kon Tum">
Blume (1826: 996) subsp.
<emphasis bold="true" box="[203,331,1134,1155]" italics="true" pageId="36">vietnamensis</emphasis>
H.
<bibRefCitation author="Zhu, H." box="[357,517,1134,1156]" pageId="36" pagination="395 - 398" refId="ref55414" refString="Zhu, H. (2000) New plants of genus Lasianthus (Rubiaceae) from Vietnam. Acta Botanica Yunnanica 22 (4): 395 - 398." type="journal article" year="2000">Zhu (2000: 397)</bibRefCitation>
</materialsCitation>
</taxonomicName>
<figureCitation box="[543,609,1134,1156]" captionStart="FIGURE 27" captionStartId="38.[136,229,1725,1747]" captionTargetBox="[190,1393,194,1696]" captionTargetId="figure-24@38.[188,1396,193,1701]" captionTargetPageId="38" captionText="FIGURE 27. Lasianthus capitatus subsp. vietnamensis H.Zhu (from V6638, VNM and the herbarium of Iriomote Station (Japan)): A. Fruiting branch, B. Close-up of young branch and leaves, C. Stipules, D. Abaxial leaf surfaces, EF. Inflorescence showing side view flower buds and bracts, GH. Mature fruits showing side view calyx lobes (A &amp; GH: photos by Shuichiro Tagane)." figureDoi="http://doi.org/10.5281/zenodo.7571632" httpUri="https://zenodo.org/record/7571632/files/figure.png" pageId="36">Fig. 27</figureCitation>
(plate),
<figureCitation box="[690,758,1134,1156]" captionStart="FIGURE 25" captionStartId="35.[136,229,1786,1808]" captionTargetBox="[180,1401,208,1749]" captionTargetId="figure-17@35.[165,1418,193,1762]" captionTargetPageId="35" captionText="FIGURE 25. Distribution maps of Lasianthus candidus subsp. candidus, L. candidus subsp. hoanglienensis, L. capitatus subsp. vietnamensis, L. chevalieri subsp. chevalieri, L. chevalieri subsp. gianglyensis and L. chii." figureDoi="http://doi.org/10.5281/zenodo.7571624" httpUri="https://zenodo.org/record/7571624/files/figure.png" pageId="36">Fig. 25</figureCitation>
(map)
<emphasis bold="true" box="[136,194,1170,1191]" pageId="36">
<typeStatus box="[136,190,1170,1191]" pageId="36">Type</typeStatus>
:
</emphasis>
<collectingCountry box="[219,332,1170,1191]" name="Vietnam" pageId="36">VIETNAM</collectingCountry>
.
<collectingRegion box="[344,536,1170,1192]" country="Vietnam" name="Kon Tum" pageId="36">Kon Tum Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:43284262FFBBFFFA5AB6FBE3456DCB1C:CE5EA5AFFFBBFFFA581BFB374315C8EF" box="[549,819,1170,1192]" country="Vietnam" name="Ngoc Linh Nature Reserve" pageId="36" stateProvince="Kon Tum">Ngoc Linh Nature Reserve</location>
,
<quantity box="[832,968,1170,1191]" metricMagnitude="3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="36" unit="m" value="1750.0" valueMax="1800.0" valueMin="1700.0">
<elevation box="[832,968,1170,1191]" metricMagnitude="3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="36" unit="m" value="1750.0" valueMax="1800.0" valueMin="1700.0">17001800 m</elevation>
</quantity>
elev.,
<date box="[1036,1166,1170,1192]" pageId="36" value="1995-04-04">
<collectingDate box="[1036,1166,1170,1192]" pageId="36" value="1995-04-04">4 April 1995</collectingDate>
</date>
,
<emphasis box="[1179,1451,1170,1191]" italics="true" pageId="36">
<collectorName box="[1179,1312,1170,1191]" pageId="36">Averyanov L.</collectorName>
,
<collectorName box="[1325,1444,1170,1191]" pageId="36">Nguyen T.B</collectorName>
.,
</emphasis>
</paragraph>
</subSubSection>
<subSubSection pageId="36" type="description">
<paragraph blockId="36.[136,1451,1094,1264]" box="[189,1451,1206,1228]" pageId="36">
<emphasis box="[189,1284,1206,1227]" italics="true" pageId="36">Nguyen Q.B., Budantzev A., Budantzev L., Nguyen T.H., Duong D.H., Phan K.L., Nguyen X.T., Yakovlev G. VH1129</emphasis>
(
<materialsCitation box="[1295,1451,1206,1228]" collectionCode="AAU" pageId="36" specimenCount="1" typeStatus="holotype">
<typeStatus box="[1295,1381,1206,1228]" pageId="36">holotype</typeStatus>
<collectionCode box="[1385,1445,1206,1227]" country="Ethiopia" name="Addis Ababa University, Department of Biology" pageId="36">AAU</collectionCode>
!;
</materialsCitation>
</paragraph>
<paragraph blockId="36.[136,1451,1094,1264]" box="[189,322,1242,1264]" pageId="36">isotype HN!).</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" pageId="36">
<emphasis bold="true" box="[136,397,1310,1336]" pageId="36">
<collectingRegion box="[136,262,1310,1336]" pageId="36">Specimens</collectingRegion>
examined:
</emphasis>
<materialsCitation collectingDate="2017-02-14" collectorName="Tagane S. &amp; Nagamasu H. &amp; Nguyen" country="Vietnam" elevation="1365" location="Ngoc Linh Nature Reserve" pageId="36" specimenCount="1" stateProvince="Kon Tum">
<collectingCountry box="[426,558,1310,1336]" name="Vietnam" pageId="36">VIETNAM</collectingCountry>
.
<emphasis bold="true" box="[572,673,1310,1336]" pageId="36">Central:</emphasis>
<collectingRegion box="[684,908,1310,1337]" country="Vietnam" name="Kon Tum" pageId="36">Kon Tum Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:43284262FFBBFFFA5AB6FBE3456DCB1C:CE5EA5AFFFBBFFFA59A5FABA44F1C971" box="[923,1239,1310,1337]" country="Vietnam" name="Ngoc Linh Nature Reserve" pageId="36" stateProvince="Kon Tum">Ngoc Linh Nature Reserve</location>
,
<quantity box="[1254,1343,1310,1337]" metricMagnitude="3" metricUnit="m" metricValue="1.365" pageId="36" unit="m" value="1365.0">
<elevation box="[1254,1343,1310,1337]" metricMagnitude="3" metricUnit="m" metricValue="1.365" pageId="36" unit="m" value="1365.0">1365 m</elevation>
</quantity>
elev.,
<date pageId="36" value="2017-02-14">
<collectingDate pageId="36" value="2017-02-14">14 February 2017</collectingDate>
</date>
,
<emphasis box="[322,714,1347,1373]" italics="true" pageId="36">
<collectorName box="[322,437,1347,1373]" pageId="36">Tagane S.</collectorName>
,
<collectorName box="[453,613,1347,1372]" pageId="36">Nagamasu H.</collectorName>
,
<collectorName box="[628,714,1347,1372]" pageId="36">Nguyen</collectorName>
</emphasis>
</materialsCitation>
<materialsCitation collectingDate="1995-04-04" collectionCode="DLU, FU, VNM, AAU, HN" collectorName="Hoang T. B. &amp; Hoang T. S. &amp; Yang C. J. &amp; Kawakubo A. V &amp; Averyanov L. &amp; Nguyen T. B. &amp; Nguyen Q. B. &amp; Budantzev A. &amp; Budantzev L. &amp; Duong D. H. &amp; Phan K. L. &amp; Nguyen X. T. &amp; Yakovlev G." country="Japan" elevation="1750" location="Iriomote Station" pageId="36" specimenCount="1" stateProvince="Central">
<emphasis box="[725,1452,1346,1373]" italics="true" pageId="36">
<taxonomicNameLabel box="[725,774,1347,1372]" pageId="36" rank="variety">V.N.</taxonomicNameLabel>
,
<collectorName box="[789,923,1347,1372]" pageId="36">Hoang T.B.</collectorName>
,
<collectorName box="[938,1069,1347,1373]" pageId="36">Hoang T.S.</collectorName>
,
<collectorName box="[1085,1198,1347,1373]" pageId="36">Yang C.J.</collectorName>
,
<collectorName box="[1213,1395,1346,1373]" pageId="36">Kawakubo A. V</collectorName>
6638
</emphasis>
(
<collectionCode box="[144,206,1382,1408]" pageId="36">DLU</collectionCode>
,
<collectionCode box="[217,256,1383,1409]" country="China" name="Fudan University, Department of Biology" pageId="36">FU</collectionCode>
,
<collectionCode box="[266,334,1383,1409]" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" pageId="36" type="Herbarium">VNM</collectionCode>
, the herbarium of
<location LSID="urn:lsid:plazi:treatment:43284262FFBBFFFA5AB6FBE3456DCB1C:CE5EA5AFFFBBFFFA5825FAC342F4C9C8" box="[539,722,1382,1408]" country="Japan" name="Iriomote Station" pageId="36" stateProvince="Central">Iriomote Station</location>
(
<collectingCountry box="[737,806,1382,1408]" name="Japan" pageId="36">Japan</collectingCountry>
)); in the same location,
<quantity box="[1075,1230,1382,1409]" metricMagnitude="3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="36" unit="m" value="1750.0" valueMax="1800.0" valueMin="1700.0">
<elevation box="[1075,1230,1382,1409]" metricMagnitude="3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="36" unit="m" value="1750.0" valueMax="1800.0" valueMin="1700.0">17001800 m</elevation>
</quantity>
elev.,
<date box="[1303,1447,1382,1409]" pageId="36" value="1995-04-04">
<collectingDate box="[1303,1447,1382,1409]" pageId="36" value="1995-04-04">4 April 1995</collectingDate>
</date>
,
<emphasis italics="true" pageId="36">
<collectorName box="[136,285,1419,1445]" pageId="36">Averyanov L.</collectorName>
,
<collectorName box="[297,436,1419,1444]" pageId="36">Nguyen T.B.</collectorName>
,
<collectorName box="[447,593,1419,1445]" pageId="36">Nguyen Q.B.</collectorName>
,
<collectorName box="[604,753,1418,1445]" pageId="36">Budantzev A.</collectorName>
,
<collectorName box="[765,912,1418,1444]" pageId="36">Budantzev L.</collectorName>
,
<collectorName box="[924,1064,1419,1444]" pageId="36">Duong D.H.</collectorName>
,
<collectorName box="[1075,1192,1418,1444]" pageId="36">Phan K.L.</collectorName>
,
<collectorName box="[1203,1342,1419,1444]" pageId="36">Nguyen X.T.</collectorName>
,
<collectorName pageId="36">Yakovlev G.</collectorName>
VH772
</emphasis>
(
<collectionCode box="[264,329,1454,1480]" country="Ethiopia" name="Addis Ababa University, Department of Biology" pageId="36">AAU</collectionCode>
,
<collectionCode box="[341,386,1454,1480]" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" pageId="36" type="Herbarium">HN</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="36" type="distribution">
<paragraph blockId="36.[136,1452,1310,1877]" pageId="36">
<emphasis bold="true" box="[189,345,1490,1516]" pageId="36">Distribution:</emphasis>
—Endemic to
<collectingCountry box="[520,615,1490,1516]" name="Vietnam" pageId="36">Vietnam</collectingCountry>
(currently known only from Ngoc Linh Nature Reserve in
<collectingRegion country="Vietnam" name="Kon Tum" pageId="36">Kon Tum Province</collectingRegion>
).
</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" pageId="36">
<emphasis bold="true" box="[189,419,1562,1588]" pageId="36">Habitat &amp; Ecology:</emphasis>
<materialsCitation elevation="1500" location="Ngoc Linh mountain" municipality="Growing" pageId="36" specimenCount="1" stateProvince="Kon Tum">
<collectingMunicipality box="[448,547,1562,1588]" pageId="36">Growing</collectingMunicipality>
in the evergreen dry primary forest on the northwest slope of
<location LSID="urn:lsid:plazi:treatment:43284262FFBBFFFA5AB6FBE3456DCB1C:CE5EA5AFFFBBFFFA5EFBF9BE458ACA7C" box="[1221,1452,1562,1589]" municipality="Growing" name="Ngoc Linh mountain" pageId="36" stateProvince="Kon Tum">Ngoc Linh mountain</location>
system in
<collectingRegion box="[250,463,1598,1625]" country="Vietnam" name="Kon Tum" pageId="36">Kon Tum Province</collectingRegion>
at
<quantity box="[497,652,1598,1625]" metricMagnitude="3" metricUnit="m" metricValue="1.5" metricValueMax="1.8" metricValueMin="1.2" pageId="36" unit="m" value="1500.0" valueMax="1800.0" valueMin="1200.0">
<elevation box="[497,652,1598,1625]" metricMagnitude="3" metricUnit="m" metricValue="1.5" metricValueMax="1.8" metricValueMin="1.2" pageId="36" unit="m" value="1500.0" valueMax="1800.0" valueMin="1200.0">12001800 m</elevation>
</quantity>
elev
</materialsCitation>
.
</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" box="[189,1066,1634,1661]" pageId="36">
<emphasis bold="true" box="[189,323,1634,1660]" pageId="36">Phenology:</emphasis>
—Flowering and fruiting from November to June of the next year.
</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" box="[189,651,1670,1699]" pageId="36">
<emphasis bold="true" box="[189,405,1670,1696]" pageId="36">Vernacular name:</emphasis>
—Xú hưƠng hoa hỢp.
</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" pageId="36">
<emphasis bold="true" box="[189,265,1706,1732]" pageId="36">Notes:</emphasis>
<taxonomicName box="[294,766,1706,1732]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="36" phylum="Tracheophyta" rank="subSpecies" species="capitatus" subSpecies="vietnamensis">
<emphasis box="[294,530,1706,1732]" italics="true" pageId="36">Lasianthus capitatus</emphasis>
subsp.
<emphasis box="[621,766,1707,1732]" italics="true" pageId="36">vietnamensis</emphasis>
</taxonomicName>
was first reported as new for the flora of
<collectingCountry box="[1263,1358,1706,1732]" name="Vietnam" pageId="36">Vietnam</collectingCountry>
by
<bibRefCitation author="Zhu, H." pageId="36" pagination="395 - 398" refId="ref55414" refString="Zhu, H. (2000) New plants of genus Lasianthus (Rubiaceae) from Vietnam. Acta Botanica Yunnanica 22 (4): 395 - 398." type="journal article" year="2000">Zhu (2000)</bibRefCitation>
. It can easily be identified in the field in having ovate to ovate-lanceolate leaves, peduncles
<quantity box="[1279,1385,1742,1769]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" metricValueMax="3.5" metricValueMin="1.0" pageId="36" unit="cm" value="2.25" valueMax="3.5" valueMin="1.0">13.5 cm</quantity>
long, flowers white, and fruits ellipsoid, blue when ripe.
</paragraph>
<paragraph blockId="36.[136,1452,1310,1877]" pageId="36">
This subspecies is different from other subspecies of
<taxonomicName authorityName="Blume" authorityYear="1827" box="[801,1036,1814,1840]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="36" phylum="Tracheophyta" rank="species" species="capitatus">
<emphasis box="[801,1036,1814,1840]" italics="true" pageId="36">Lasianthus capitatus</emphasis>
</taxonomicName>
by having ovate to ovate-lanceolate with apex caudate, petioles
<quantity box="[446,539,1850,1877]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="36" unit="mm" value="4.0" valueMax="5.0" valueMin="3.0">35 mm</quantity>
long, midrib and secondary veins inconspicuous, and the histute corolla.
</paragraph>
</subSubSection>
</treatment>
</document>