546 lines
51 KiB
XML
546 lines
51 KiB
XML
<document ID-DOI="10.11646/phytotaxa.583.1.7" ID-ISSN="1179-3163" ID-Zenodo-Dep="7609199" checkinTime="1675671578996" checkinUser="plazi" docAuthor="Chen, Juan, Nguyen, Van Canh, Nguyen, Van Khuong, Nguyen, Khang Sinh, Nuraliev, Maxim S. & Xia, Nianhe" docDate="2023" docId="0392AA35FFE1B213A5FBF9D4FDC3FEC6" docLanguage="en" docName="phytotaxa.583.1.7.pdf" docOrigin="Phytotaxa 583 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.583.1.7" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.5:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="5" docTitle="Parahellenia trongduyii Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="79" masterDocId="FFABD24DFFE0B214A573FFB0FFB8FFAA" masterDocTitle="Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida" masterLastPageNumber="80" masterPageNumber="72" pageNumber="73" updateTime="1675882060500" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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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>Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chen, Juan</mods:namePart>
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<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization / Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People’s Republic of China & South China National Botanical Garden, 510650, Guangzhou, People’s Republic of China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nguyen, Van Canh</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-9853-5510</mods:nameIdentifier>
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<mods:affiliation>Institute of Applied Technology, Thu Dau Mot University, No. 6 Tran Van On Street, Phu Hoa Ward, Thu Dau Mot City, Binh Duong Province, Vietnam & nguyenvancanh @ tdmu. edu. vn; https: // orcid. org / 0000 - 0001 - 9853 - 5510</mods:affiliation>
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<mods:nameIdentifier type="email">nguyenvancanh@tdmu.edu.vn</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>Nguyen, Van Khuong</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-1264-5178</mods:nameIdentifier>
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<mods:affiliation>Institute of Applied Technology, Thu Dau Mot University, No. 6 Tran Van On Street, Phu Hoa Ward, Thu Dau Mot City, Binh Duong Province, Vietnam & nvkhuong @ ttn. edu. vn; https: // orcid. org / 0000 - 0002 - 1264 - 5178</mods:affiliation>
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<mods:nameIdentifier type="email">nvkhuong@ttn.edu.vn</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>Nguyen, Khang Sinh</mods:namePart>
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<mods:affiliation>Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Hanoi, Vietnam & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Hanoi, Vietnam</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nuraliev, Maxim S.</mods:namePart>
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<mods:affiliation>Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen Street, Cau Giay, Hanoi, Vietnam Department of Higher Plants, Biological Faculty, M. V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Xia, Nianhe</mods:namePart>
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<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization / Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People’s Republic of China & South China National Botanical Garden, 510650, Guangzhou, People’s Republic of China</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>Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-01-31</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>583</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>72</mods:start>
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<mods:end>80</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/10.11646/phytotaxa.583.1.7</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">10.11646/phytotaxa.583.1.7</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7609199</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:0392AA35FFE1B213A5FBF9D4FDC3FEC6" httpUri="http://treatment.plazi.org/id/0392AA35FFE1B213A5FBF9D4FDC3FEC6" lastPageId="7" lastPageNumber="79" pageId="1" pageNumber="73">
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<subSubSection box="[136,1070,1636,1663]" pageId="1" pageNumber="73" type="nomenclature">
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<paragraph blockId="1.[136,1070,1636,1663]" box="[136,1070,1636,1663]" pageId="1" pageNumber="73">
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<heading box="[136,1070,1636,1663]" fontSize="11" level="2" pageId="1" pageNumber="73" reason="3">
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<taxonomicName authority="Juan Chen, V.C.Nguyen, K.S.Nguyen & N.H.Xia" authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[136,974,1636,1663]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="1" pageNumber="73" phylum="Tracheophyta" rank="species" species="trongduyii" status="sp. nov.">
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<emphasis bold="true" box="[136,412,1636,1663]" italics="true" pageId="1" pageNumber="73">Parahellenia trongduyii</emphasis>
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Juan Chen, V.C.Nguyen, K.S.Nguyen & N.H.Xia
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</taxonomicName>
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||
,
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||
<emphasis box="[985,1070,1637,1662]" italics="true" pageId="1" pageNumber="73">
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<taxonomicNameLabel box="[985,1070,1637,1662]" pageId="1" pageNumber="73" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="1" pageNumber="73" type="diagnosis">
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<paragraph blockId="1.[136,1452,1711,2022]" pageId="1" pageNumber="73">
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<emphasis bold="true" box="[136,235,1711,1733]" pageId="1" pageNumber="73">Diagnosis</emphasis>
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:—It is similar to
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<taxonomicName authorityName="Gagnepain" authorityYear="1903" box="[402,533,1712,1733]" class="Liliopsida" family="Costaceae" genus="Costus" kingdom="Plantae" order="Zingiberales" pageId="1" pageNumber="73" phylum="Tracheophyta" rank="species" species="tonkinensis">
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<emphasis box="[402,533,1712,1733]" italics="true" pageId="1" pageNumber="73">P. tonkinensis</emphasis>
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</taxonomicName>
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, but differs in unbranched or barely branched (vs. densely branched) stems, narrowly triangularlanceolate (vs. broadly triangular) and glabrous (vs. densely pubescent) axillary buds, softly mucronate (vs. pungent, making a finger bleeding if touched) bract apex, yellow to whitish yellow labellum with longitudinal orange to red lines at center (vs. yellow labellum with longitudinal red lines at center), anther crest
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<quantity box="[769,861,1820,1841]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" metricValueMax="1.2" metricValueMin="0.9" pageId="1" pageNumber="73" unit="mm" value="10.5" valueMax="12.0" valueMin="9.0">9‒12 mm</quantity>
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(vs.
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||
<quantity box="[911,993,1820,1842]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="1" pageNumber="73" unit="mm" value="4.0" valueMax="5.0" valueMin="3.0">3‒5 mm</quantity>
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) long and slightly bilobed (vs. deeply bilobed) dorsal appendage of stigma.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="1" pageNumber="73" type="materials_examined">
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||
<paragraph blockId="1.[136,1452,1711,2022]" pageId="1" pageNumber="73">
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<emphasis bold="true" box="[136,186,1892,1913]" pageId="1" pageNumber="73">Type</emphasis>
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||
:—
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<materialsCitation collectingDate="2019-07" collectingDateMax="2021-08-25" collectingDateMin="2019-07" collectionCode="V, C, K, HN, IBSC, T" collectorName="Nguyen & Nguyen" country="Vietnam" county="Originally" elevation="800" location="Chu Yang Sin National Park" municipality="Krong Bong District" pageId="1" pageNumber="73" specimenCount="1" stateProvince="Dak Lak" typeStatus="holotype">
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Collected from the material cultivated at
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<collectionCode box="[617,636,1892,1913]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="1" pageNumber="73" type="Museum">V</collectionCode>
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||
.
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||
<collectionCode box="[639,656,1892,1913]" country="Denmark" name="University of Copenhagen" pageId="1" pageNumber="73" type="Herbarium">C</collectionCode>
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||
.
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<collectorName box="[666,758,1892,1913]" pageId="1" pageNumber="73">Nguyen’s</collectorName>
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private garden on
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<date box="[941,1097,1892,1914]" pageId="1" pageNumber="73" value="2021-08-25">
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||
<collectingDate box="[941,1097,1892,1914]" pageId="1" pageNumber="73" value="2021-08-25">25 August 2021</collectingDate>
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</date>
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||
,
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||
<emphasis box="[1108,1451,1892,1913]" italics="true" pageId="1" pageNumber="73">
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||
<collectionCode box="[1108,1125,1892,1913]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="1" pageNumber="73" type="Museum">V</collectionCode>
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||
.
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||
<collectionCode box="[1128,1145,1892,1913]" country="Denmark" name="University of Copenhagen" pageId="1" pageNumber="73" type="Herbarium">C</collectionCode>
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||
.
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||
<collectorName box="[1155,1228,1892,1913]" pageId="1" pageNumber="73">Nguyen</collectorName>
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||
&
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||
<collectionCode box="[1260,1276,1892,1913]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="1" pageNumber="73" type="Museum">V</collectionCode>
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||
.
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||
<collectionCode box="[1279,1297,1892,1913]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15867" name="Royal Botanic Gardens" pageId="1" pageNumber="73" type="Herbarium">K</collectionCode>
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||
.
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||
<collectorName box="[1307,1420,1892,1913]" pageId="1" pageNumber="73">Nguyen CD</collectorName>
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||
01
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||
</emphasis>
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||
(
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||
<typeStatus box="[196,282,1928,1950]" pageId="1" pageNumber="73">holotype</typeStatus>
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||
<collectionCode box="[289,327,1928,1949]" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" pageId="1" pageNumber="73" type="Herbarium">HN</collectionCode>
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||
; isotypes
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||
<collectionCode box="[426,463,1928,1949]" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" pageId="1" pageNumber="73" type="Herbarium">HN</collectionCode>
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||
,
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<collectionCode box="[474,531,1928,1949]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15606" lsid="urn:lsid:biocol.org:col:15606" name="South China Botanical Garden" pageId="1" pageNumber="73" type="Herbarium">IBSC</collectionCode>
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||
).
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||
<collectingCounty box="[550,649,1928,1950]" pageId="1" pageNumber="73">Originally</collectingCounty>
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||
collected by
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<collectionCode box="[783,800,1928,1949]" name="Tavera, Department of Geology and Geophysics" pageId="1" pageNumber="73">T</collectionCode>
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||
.
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||
<collectorName box="[802,909,1928,1949]" pageId="1" pageNumber="73">D. Nguyen</collectorName>
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||
in
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||
<date box="[944,1040,1928,1950]" pageId="1" pageNumber="73" value="2019-07">
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||
<collectingDate box="[944,1040,1928,1950]" pageId="1" pageNumber="73" value="2019-07">July 2019</collectingDate>
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||
</date>
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||
from
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||
<collectingCountry box="[1102,1186,1928,1950]" name="Vietnam" pageId="1" pageNumber="73">Vietnam</collectingCountry>
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||
,
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<collectingRegion box="[1197,1379,1928,1950]" country="Vietnam" name="Dak Lak" pageId="1" pageNumber="73">Dak Lak Province</collectingRegion>
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||
,
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||
<collectingMunicipality pageId="1" pageNumber="73">Krong Bong District</collectingMunicipality>
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||
,
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||
<location LSID="urn:lsid:plazi:treatment:0392AA35FFE1B213A5FBF9D4FDC3FEC6:8EE44DF8FFE1B215A43DF81CFDDCF868" box="[334,612,1964,1986]" country="Vietnam" county="Originally" municipality="Krong Bong District" name="Chu Yang Sin National Park" pageId="1" pageNumber="73" stateProvince="Dak Lak">Chu Yang Sin National Park</location>
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||
,
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<location LSID="urn:lsid:plazi:treatment:0392AA35FFE1B213A5FBF9D4FDC3FEC6:8EE44DF8FFE1B215A71DF81CFCF9F86B" box="[622,833,1964,1985]" country="Vietnam" county="Originally" municipality="Krong Bong District" name="Yang Mao Commune" pageId="1" pageNumber="73" stateProvince="Dak Lak">Yang Mao Commune</location>
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, along banks of small streams at elevations of
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<elevation box="[1290,1451,1964,1986]" metricMagnitude="2" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="1" pageNumber="73" unit="m" value="800.0" valueMax="900.0" valueMin="700.0">
|
||
<quantity box="[1290,1400,1964,1985]" metricMagnitude="2" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="1" pageNumber="73" unit="m" value="800.0" valueMax="900.0" valueMin="700.0">700‒900 m</quantity>
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||
a.s.l.
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||
</elevation>
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||
(
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<figureCitation box="[196,289,2000,2022]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="3.[136,229,1907,1929]" captionStartId-1="4.[136,229,2028,2050]" captionStartId-2="5.[136,229,1919,1941]" captionTargetBox-0="[206,1370,222,1855]" captionTargetBox-1="[162,1425,190,2004]" captionTargetBox-2="[191,1395,190,1895]" captionTargetId-0="figure-25@3.[151,1436,184,1883]" captionTargetId-1="figure-18@4.[162,1425,190,2004]" captionTargetId-2="figure-25@5.[191,1395,190,1895]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURE 1. Parahellenia trongduyii. A. Rhizome with a terminal bud. B. Leafy shoot. C. Nodes with leaf bases. D. Node with an axillary bud. E. Inflorescence with flowers. F. Bract, bracteole, ovary and calyx. G. Flower. H. Flower (calyx, corolla lobes and labellum removed). I. Longitudinal section of a flower. J. Corolla lobes (abaxial and adaxial views). K. Stamen and labellum. L. Longitudinal sections of a fruit. M. Stamen (abaxial and adaxial views). N. Stamen (lateral view). O. Stigma (from left to right: lateral view, abaxial view and adaxial view). Drawn by Mr. D.H. Cui from the type V.C. Nguyen & V.K. Nguyen CD 01." captionText-1="FIGURE 2. Parahellenia trongduyii: vegetative morphology. A, B. Habit. C. Rhizome and leafy shoot. D, E. Nodes with leaf sheaths and petioles. F. Node with bud. G. Rhizome and a terminal bud. Photos by V.C. Nguyen from the type V.C. Nguyen & V.K. Nguyen CD 01." captionText-2="FIGURE 3. Parahellenia trongduyii: floral morphology. A. Inflorescences with flowers. B. Inflorescence (lateral view). C. Flower dissection. D. Flower (longitudinal section) showing floral tube fused more than halfway with the style base. E. Stamen (from left to right: abaxial view, adaxial view and lateral view). F. Stigma (from left to right: lateral view, abaxial view and adaxial view). G. From left to right: a fruit with bract, bracteole and calyx, and a fruit (longitudinally dissected) showing seeds. Photos by V.C. Nguyen from the type V.C. Nguyen & V.K. Nguyen CD 01." figureDoi-0="http://doi.org/10.5281/zenodo.7609201" figureDoi-1="http://doi.org/10.5281/zenodo.7609203" figureDoi-2="http://doi.org/10.5281/zenodo.7609205" httpUri-0="https://zenodo.org/record/7609201/files/figure.png" httpUri-1="https://zenodo.org/record/7609203/files/figure.png" httpUri-2="https://zenodo.org/record/7609205/files/figure.png" pageId="1" pageNumber="73">Figs. 1‒3</figureCitation>
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||
)
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</materialsCitation>
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||
.
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</paragraph>
|
||
</subSubSection>
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||
<subSubSection pageId="2" pageNumber="74" type="description">
|
||
<paragraph blockId="2.[136,1452,158,1948]" pageId="2" pageNumber="74">
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Terrestrial evergreen perennial
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||
<emphasis box="[476,527,158,184]" italics="true" pageId="2" pageNumber="74">herb</emphasis>
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||
.
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||
<emphasis box="[539,635,158,184]" italics="true" pageId="2" pageNumber="74">Rhizome</emphasis>
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||
plagiotropic, tuberous,
|
||
<quantity box="[893,973,158,185]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="2" pageNumber="74" unit="cm" value="3.0" valueMax="4.0" valueMin="2.0">2‒4 cm</quantity>
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||
in diam., brown externally, white internally, glabrous.
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||
<emphasis box="[247,377,194,220]" italics="true" pageId="2" pageNumber="74">Leafy shoot</emphasis>
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||
75‒140(‒250) cm tall, up to
|
||
<quantity box="[704,760,194,221]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="2" pageNumber="74" unit="cm" value="3.0">3 cm</quantity>
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||
in diam. at base.
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||
<emphasis box="[957,1011,195,221]" italics="true" pageId="2" pageNumber="74">Stem</emphasis>
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more or less straight, erect to suberect, unbranched or barely branched at higher nodes.
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<emphasis box="[690,832,230,256]" italics="true" pageId="2" pageNumber="74">Axillary bud</emphasis>
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||
1 at each node, narrowly triangular-lanceolate, 12‒15 ×
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<quantity box="[160,256,266,293]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="2" pageNumber="74" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5‒6 mm</quantity>
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, green with red tip, glabrous.
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<emphasis box="[597,797,266,292]" italics="true" pageId="2" pageNumber="74">Bladeless sheaths</emphasis>
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closed, reddish brown, membranous, caducous, glabrous.
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||
<emphasis box="[136,214,303,328]" italics="true" pageId="2" pageNumber="74">Leaves</emphasis>
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||
10‒20, consistently clustered toward the shoot apex;
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||
<emphasis box="[825,909,302,328]" italics="true" pageId="2" pageNumber="74">sheaths</emphasis>
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closed, pale green when young, later becoming reddish brown, glabrous;
|
||
<emphasis box="[420,484,338,364]" italics="true" pageId="2" pageNumber="74">ligule</emphasis>
|
||
<quantity box="[490,625,338,365]" metricMagnitude="-3" metricUnit="m" metricValue="2.15" metricValueMax="2.5" metricValueMin="1.8" pageId="2" pageNumber="74" unit="mm" value="2.15" valueMax="2.5" valueMin="1.8">1.8‒2.5 mm</quantity>
|
||
long, glabrous, upper margin minutely fimbriate;
|
||
<emphasis box="[1181,1257,338,364]" italics="true" pageId="2" pageNumber="74">petiole</emphasis>
|
||
<quantity box="[1264,1388,338,365]" metricMagnitude="-2" metricUnit="m" metricValue="1.55" metricValueMax="2.2" metricValueMin="0.9" pageId="2" pageNumber="74" unit="cm" value="1.55" valueMax="2.2" valueMin="0.9">0.9‒2.2 cm</quantity>
|
||
long,
|
||
<quantity box="[136,241,374,401]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="10.0" metricValueMin="8.0" pageId="2" pageNumber="74" unit="cm" value="0.9" valueMax="1.0" valueMin="0.8">0.8‒1 cm</quantity>
|
||
in diam., adaxially grooved, yellowish green, reddish brown at base, glabrous;
|
||
<emphasis box="[1137,1210,374,400]" italics="true" pageId="2" pageNumber="74">blades</emphasis>
|
||
20‒35 ×
|
||
<quantity box="[1319,1405,374,401]" metricMagnitude="-2" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="2" pageNumber="74" unit="cm" value="6.5" valueMax="8.0" valueMin="5.0">5‒8 cm</quantity>
|
||
, the lowest ones obovate to oblanceolate, the upper ones oblanceolate to elliptic, base narrowly attenuate, apex acuminate, adaxial surface deep green, abaxial surface pale green, glabrous on both sides, midvein slight sunken adaxially and conspicuously raised abaxially.
|
||
<emphasis box="[497,647,482,508]" italics="true" pageId="2" pageNumber="74">Inflorescence</emphasis>
|
||
arising directly from the rhizome,
|
||
<quantity box="[1047,1159,482,509]" metricMagnitude="-1" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="2" pageNumber="74" unit="cm" value="22.5" valueMax="25.0" valueMin="20.0">20‒25 cm</quantity>
|
||
long (including peduncle and bracts only), lax;
|
||
<emphasis box="[377,478,518,544]" italics="true" pageId="2" pageNumber="74">peduncle</emphasis>
|
||
horizontal to ascending, terete,
|
||
<quantity box="[834,917,518,545]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="2" pageNumber="74" unit="cm" value="5.0" valueMax="6.0" valueMin="4.0">4‒6 cm</quantity>
|
||
long,
|
||
<quantity box="[987,1111,518,545]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="1.6" metricValueMin="1.4" pageId="2" pageNumber="74" unit="cm" value="1.5" valueMax="1.6" valueMin="1.4">1.4‒1.6 cm</quantity>
|
||
in diam., bearing 4‒6 sheaths, sheaths tubular, coriaceous, reddish brown, glabrous;
|
||
<emphasis box="[740,798,554,580]" italics="true" pageId="2" pageNumber="74">spike</emphasis>
|
||
16‒20 ×
|
||
<quantity box="[905,992,554,581]" metricMagnitude="-2" metricUnit="m" metricValue="7.5" metricValueMax="9.0" metricValueMin="6.0" pageId="2" pageNumber="74" unit="cm" value="7.5" valueMax="9.0" valueMin="6.0">6‒9 cm</quantity>
|
||
, narrowly ellipsoid or nearly cylindrical;
|
||
<emphasis box="[136,361,590,616]" italics="true" pageId="2" pageNumber="74">secondary peduncle</emphasis>
|
||
very short, glabrous;
|
||
<emphasis box="[615,685,590,616]" italics="true" pageId="2" pageNumber="74">bracts</emphasis>
|
||
4‒5 ×
|
||
<quantity box="[771,880,590,617]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="2" pageNumber="74" unit="cm" value="2.25" valueMax="2.5" valueMin="2.0">2‒2.5 cm</quantity>
|
||
, the lowest bracts broadly elliptic, the upper ones elliptic, cucullate, apex softly mucronate (not pungent), coriaceous, pale brown to reddish brown, glabrous, each subtending 1 flower with 1 bracteole;
|
||
<emphasis box="[564,681,662,688]" italics="true" pageId="2" pageNumber="74">bracteoles</emphasis>
|
||
2.5‒2.8 ×
|
||
<quantity box="[803,931,662,689]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="2" pageNumber="74" unit="cm" value="0.8" valueMax="0.9" valueMin="0.7">0.7‒0.9 cm</quantity>
|
||
, narrowly lanceolate, apex acuminate to spiny (but not pungent), coriaceous, pale brown to reddish brown, glabrous.
|
||
<emphasis box="[927,1019,698,724]" italics="true" pageId="2" pageNumber="74">Flowers</emphasis>
|
||
<quantity box="[1026,1144,698,725]" metricMagnitude="-2" metricUnit="m" metricValue="9.25" metricValueMax="10.0" metricValueMin="8.5" pageId="2" pageNumber="74" unit="cm" value="9.25" valueMax="10.0" valueMin="8.5">8.5‒10 cm</quantity>
|
||
long;
|
||
<emphasis box="[1217,1276,698,724]" italics="true" pageId="2" pageNumber="74">calyx</emphasis>
|
||
<quantity box="[1283,1387,698,725]" metricMagnitude="-2" metricUnit="m" metricValue="3.6" metricValueMax="4.0" metricValueMin="3.2" pageId="2" pageNumber="74" unit="cm" value="3.6" valueMax="4.0" valueMin="3.2">3.2‒4 cm</quantity>
|
||
long, coriaceous, pale green when young, becoming reddish brown when old, glabrous, tube
|
||
<quantity box="[1128,1254,734,761]" metricMagnitude="-2" metricUnit="m" metricValue="2.9" metricValueMax="3.3" metricValueMin="2.5" pageId="2" pageNumber="74" unit="cm" value="2.9" valueMax="3.3" valueMin="2.5">2.5‒3.3 cm</quantity>
|
||
long,
|
||
<quantity box="[1327,1422,734,761]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="2" pageNumber="74" unit="mm" value="8.0" valueMax="9.0" valueMin="7.0">7‒9 mm</quantity>
|
||
in diam., lobes 3, 0.7‒1 ×
|
||
<quantity box="[407,536,770,797]" metricMagnitude="-3" metricUnit="m" metricValue="6.499999999999999" metricValueMax="7.0" metricValueMin="6.0" pageId="2" pageNumber="74" unit="cm" value="0.6499999999999999" valueMax="0.7" valueMin="0.6">0.6‒0.7 cm</quantity>
|
||
, broadly ovate, slightly involute, apex softly mucronate, pale green with reddish brown apex when young, becoming reddish brown when old;
|
||
<emphasis box="[843,962,806,832]" italics="true" pageId="2" pageNumber="74">floral tube</emphasis>
|
||
(from apex of ovary to base of divergence of corolla lobes)
|
||
<quantity box="[330,457,842,869]" metricMagnitude="-2" metricUnit="m" metricValue="2.35" metricValueMax="2.5" metricValueMin="2.2" pageId="2" pageNumber="74" unit="cm" value="2.35" valueMax="2.5" valueMin="2.2">2.2‒2.5 cm</quantity>
|
||
long,
|
||
<quantity box="[530,656,842,869]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="2" pageNumber="74" unit="cm" value="0.4" valueMax="0.5" valueMin="0.3">0.3‒0.5 cm</quantity>
|
||
in diam., fused with style in basal
|
||
<quantity box="[1057,1137,842,869]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="2" pageNumber="74" unit="cm" value="1.6">1.6 cm</quantity>
|
||
, white, glabrous externally;
|
||
<emphasis box="[136,280,878,904]" italics="true" pageId="2" pageNumber="74">corolla lobes</emphasis>
|
||
4.3‒5 ×
|
||
<quantity box="[375,502,878,905]" metricMagnitude="-2" metricUnit="m" metricValue="2.05" metricValueMax="2.2" metricValueMin="1.9" pageId="2" pageNumber="74" unit="cm" value="2.05" valueMax="2.2" valueMin="1.9">1.9‒2.2 cm</quantity>
|
||
, obovate, white, glabrous;
|
||
<emphasis box="[797,947,878,904]" italics="true" pageId="2" pageNumber="74">staminal tube</emphasis>
|
||
(from the point of divergence of corolla lobes to base of divergence of labellum and stamen)
|
||
<quantity box="[661,787,914,941]" metricMagnitude="-2" metricUnit="m" metricValue="1.5499999999999998" metricValueMax="1.7" metricValueMin="1.4" pageId="2" pageNumber="74" unit="cm" value="1.5499999999999998" valueMax="1.7" valueMin="1.4">1.4‒1.7 cm</quantity>
|
||
long, yellow, with dense yellow hairs internally, pubescent externally;
|
||
<emphasis box="[264,362,950,976]" italics="true" pageId="2" pageNumber="74">labellum</emphasis>
|
||
6.5‒7.5 ×
|
||
<quantity box="[484,613,950,977]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" metricValueMax="6.5" metricValueMin="5.5" pageId="2" pageNumber="74" unit="cm" value="6.0" valueMax="6.5" valueMin="5.5">5.5‒6.5 cm</quantity>
|
||
, flabellate after full expansion, yellow to whitish yellow with longitudinal orange to red lines at center, covered with glutinous papillae at center and base, margin rugose and pubescent;
|
||
<emphasis box="[1372,1451,987,1012]" italics="true" pageId="2" pageNumber="74">stamen</emphasis>
|
||
<quantity box="[136,259,1022,1049]" metricMagnitude="-2" metricUnit="m" metricValue="3.4" metricValueMax="3.6" metricValueMin="3.2" pageId="2" pageNumber="74" unit="cm" value="3.4" valueMax="3.6" valueMin="3.2">3.2‒3.6 cm</quantity>
|
||
long (when crest flattened),
|
||
<quantity box="[573,676,1022,1049]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="2" pageNumber="74" unit="cm" value="0.8" valueMax="1.0" valueMin="0.6">0.6‒1 cm</quantity>
|
||
wide, petaloid, oblong, yellow, adaxially concave, glabrous, abaxially slightly convex and thickened, with sparse long glandular hair;
|
||
<emphasis box="[833,964,1058,1084]" italics="true" pageId="2" pageNumber="74">anther crest</emphasis>
|
||
<quantity box="[970,1093,1058,1085]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" metricValueMax="1.2" metricValueMin="0.9" pageId="2" pageNumber="74" unit="cm" value="1.05" valueMax="1.2" valueMin="0.9">0.9‒1.2 cm</quantity>
|
||
long,
|
||
<quantity box="[1161,1295,1058,1085]" metricMagnitude="-3" metricUnit="m" metricValue="5.85" metricValueMax="6.2" metricValueMin="5.5" pageId="2" pageNumber="74" unit="mm" value="5.85" valueMax="6.2" valueMin="5.5">5.5‒6.2 mm</quantity>
|
||
wide, oblong, strongly recurved to revolute on abaxial side, yellow with longitudinal red lines at adaxial side, broadly acute to obtuse at apex, margin pubescent;
|
||
<emphasis box="[445,518,1130,1156]" italics="true" pageId="2" pageNumber="74">thecae</emphasis>
|
||
<quantity box="[526,631,1130,1157]" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" pageId="2" pageNumber="74" unit="cm" value="0.95" valueMax="1.0" valueMin="0.9">0.9‒1 cm</quantity>
|
||
long,
|
||
<quantity box="[703,839,1130,1157]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" metricValueMax="2.4" metricValueMin="1.8" pageId="2" pageNumber="74" unit="mm" value="2.1" valueMax="2.4" valueMin="1.8">1.8‒2.4 mm</quantity>
|
||
wide in the middle, slightly broadening towards ends.
|
||
<emphasis box="[136,206,1167,1193]" italics="true" pageId="2" pageNumber="74">Ovary</emphasis>
|
||
inferior,
|
||
<quantity box="[310,435,1166,1193]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.4" metricValueMin="1.1" pageId="2" pageNumber="74" unit="cm" value="1.25" valueMax="1.4" valueMin="1.1">1.1‒1.4 cm</quantity>
|
||
long,
|
||
<quantity box="[506,599,1166,1193]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="2" pageNumber="74" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5‒6 mm</quantity>
|
||
in diam., glabrous, trilocular with axile placentation and apically embedded beige-coloured gynopleural nectaries, each locule with numerous ovules;
|
||
<emphasis box="[968,1019,1202,1228]" italics="true" pageId="2" pageNumber="74">style</emphasis>
|
||
<quantity box="[1027,1153,1202,1229]" metricMagnitude="-2" metricUnit="m" metricValue="4.65" metricValueMax="4.8" metricValueMin="4.5" pageId="2" pageNumber="74" unit="cm" value="4.65" valueMax="4.8" valueMin="4.5">4.5‒4.8 cm</quantity>
|
||
long (free part), glabrous;
|
||
<emphasis box="[136,211,1239,1264]" italics="true" pageId="2" pageNumber="74">stigma</emphasis>
|
||
<quantity box="[217,352,1238,1265]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="2" pageNumber="74" unit="mm" value="1.75" valueMax="1.8" valueMin="1.7">1.7‒1.8 mm</quantity>
|
||
long,
|
||
<quantity box="[422,556,1238,1265]" metricMagnitude="-3" metricUnit="m" metricValue="3.05" metricValueMax="3.3" metricValueMin="2.8" pageId="2" pageNumber="74" unit="mm" value="3.05" valueMax="3.3" valueMin="2.8">2.8‒3.3 mm</quantity>
|
||
wide, semi-circular, flattened, 2-lobed, lobes overlapping, white, margin ciliate, dorsal appendage slightly bilobed, white.
|
||
<emphasis box="[606,769,1274,1300]" italics="true" pageId="2" pageNumber="74">Infructescence</emphasis>
|
||
of almost the same size as inflorescence, often continuously formed (with fruits at base when flowers still anthetic at apex), with persistent bracts and bracteoles.
|
||
<emphasis box="[1252,1320,1311,1336]" italics="true" pageId="2" pageNumber="74">Fruits</emphasis>
|
||
<quantity box="[1327,1451,1310,1337]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" metricValueMax="2.2" metricValueMin="1.8" pageId="2" pageNumber="74" unit="cm" value="2.0" valueMax="2.2" valueMin="1.8">1.8‒2.2 cm</quantity>
|
||
long,
|
||
<quantity box="[200,326,1346,1373]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.2" metricValueMin="1.1" pageId="2" pageNumber="74" unit="cm" value="1.15" valueMax="1.2" valueMin="1.1">1.1‒1.2 cm</quantity>
|
||
in diam., nearly ellipsoid, reddish brown, glabrous, with persistent calyces.
|
||
<emphasis box="[1186,1250,1346,1372]" italics="true" pageId="2" pageNumber="74">Seeds</emphasis>
|
||
3‒4 ×
|
||
<quantity box="[1330,1447,1346,1373]" metricMagnitude="-3" metricUnit="m" metricValue="2.15" metricValueMax="2.3" metricValueMin="2.0" pageId="2" pageNumber="74" unit="mm" value="2.15" valueMax="2.3" valueMin="2.0">2‒2.3 mm</quantity>
|
||
, irregularly barrel-shaped, black, aril basal and not enclosing the seed, white.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,1300,1418,1445]" pageId="2" pageNumber="74" type="biology_ecology">
|
||
<paragraph blockId="2.[136,1452,158,1948]" box="[189,1300,1418,1445]" pageId="2" pageNumber="74">
|
||
<emphasis bold="true" box="[189,313,1418,1444]" pageId="2" pageNumber="74">Phenology</emphasis>
|
||
:—Flowering from June to August; fruiting from July and likely continuing till October.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="74" type="etymology">
|
||
<paragraph blockId="2.[136,1452,158,1948]" pageId="2" pageNumber="74">
|
||
<emphasis bold="true" box="[189,318,1454,1480]" pageId="2" pageNumber="74">Etymology</emphasis>
|
||
:—The specific epithet is named after Mr. Nguyen Trong Duy, who collected the living material of the species in its
|
||
<typeStatus box="[286,334,1491,1517]" pageId="2" pageNumber="74">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="74" type="vernacular_names">
|
||
<paragraph blockId="2.[136,1452,158,1948]" pageId="2" pageNumber="74">
|
||
<emphasis bold="true" box="[189,518,1526,1552]" pageId="2" pageNumber="74">Suggested common names</emphasis>
|
||
:—Mía dò Trọng Duy (Vietnamese),
|
||
<emphasis bold="true" box="[975,1143,1527,1550]" italics="true" pageId="2" pageNumber="74">Øṃṁƛąae</emphasis>
|
||
(duō lè dì wō sŭn huā) (Chinese).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="74" type="distribution">
|
||
<paragraph blockId="2.[136,1452,158,1948]" pageId="2" pageNumber="74">
|
||
<emphasis bold="true" box="[189,653,1598,1624]" pageId="2" pageNumber="74">Distribution, habitat and conservation</emphasis>
|
||
:—This species is currently known from Chu Yang Sin National Park in
|
||
<collectingRegion box="[167,376,1634,1660]" country="Vietnam" name="Dak Lak" pageId="2" pageNumber="74">Dak Lak Province</collectingRegion>
|
||
and Thach Nham protected forest in
|
||
<collectingRegion box="[810,1029,1634,1661]" country="Vietnam" name="Kon Tum" pageId="2" pageNumber="74">Kon Tum Province</collectingRegion>
|
||
in
|
||
<collectingCountry box="[1069,1168,1634,1660]" name="Vietnam" pageId="2" pageNumber="74">Vietnam</collectingCountry>
|
||
.
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[1180,1452,1634,1660]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="2" pageNumber="74" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[1180,1452,1634,1660]" italics="true" pageId="2" pageNumber="74">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
grows in shady, moist places along small streams, in evergreen broad-leaved forests at elevations of
|
||
<quantity box="[1265,1392,1670,1697]" metricMagnitude="2" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="2" pageNumber="74" unit="m" value="800.0" valueMax="900.0" valueMin="700.0">700–900 m</quantity>
|
||
a.s.l. We observed five clumps of the species in Chu Yang Sin National Park, a protected area where agricultural activities and exploitation of non-timber forest products are prohibited. Due to lack of information on the distribution (extent of occurrence (EOO) or areas of occupancy (AOO)) and population size of
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[1010,1155,1778,1804]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="2" pageNumber="74" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[1010,1155,1778,1804]" italics="true" pageId="2" pageNumber="74">P. trongduyii</emphasis>
|
||
</taxonomicName>
|
||
, its conservation status is assessed here as Data Deficient (DD), following the IUCN Red List Categories and Criteria (
|
||
<bibRefCitation author="IUCN & Cambridge, UK" box="[1177,1315,1814,1840]" pageId="2" pageNumber="74" refId="ref3982" refString="IUCN (2012) IUCN Red List Categories and Criteria: Version 3. 1. Second edition. Gland, Switzerland and Cambridge, UK, 32 pp." type="book" year="2012">IUCN 2012</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="7" lastPageNumber="79" pageId="2" pageNumber="74" type="discussion">
|
||
<paragraph blockId="2.[136,1452,158,1948]" pageId="2" pageNumber="74">
|
||
<emphasis bold="true" box="[189,256,1850,1876]" pageId="2" pageNumber="74">Notes</emphasis>
|
||
:—As elaborated in the diagnosis,
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[651,922,1850,1876]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="2" pageNumber="74" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[651,922,1850,1876]" italics="true" pageId="2" pageNumber="74">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
closely resembles
|
||
<taxonomicName authorityName="Gagnepain" authorityYear="1903" box="[1138,1294,1850,1876]" class="Liliopsida" family="Costaceae" genus="Costus" kingdom="Plantae" order="Zingiberales" pageId="2" pageNumber="74" phylum="Tracheophyta" rank="species" species="tonkinensis">
|
||
<emphasis box="[1138,1294,1850,1876]" italics="true" pageId="2" pageNumber="74">P. tonkinensis</emphasis>
|
||
</taxonomicName>
|
||
but is readily distinguished from it in the field even by vegetative characters, e.g., barely branched leafy shoots and narrowly triangular-lanceolate glabrous buds.
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7609201" ID-Zenodo-Dep="7609201" httpUri="https://zenodo.org/record/7609201/files/figure.png" pageId="3" pageNumber="75" startId="3.[136,229,1907,1929]" targetBox="[206,1370,222,1855]" targetPageId="3">
|
||
<paragraph blockId="3.[136,1452,1907,2073]" pageId="3" pageNumber="75">
|
||
<emphasis bold="true" box="[136,257,1907,1929]" pageId="3" pageNumber="75">FIGURE 1.</emphasis>
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[266,499,1907,1928]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="3" pageNumber="75" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[266,499,1907,1928]" italics="true" pageId="3" pageNumber="75">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" box="[514,538,1907,1928]" pageId="3" pageNumber="75">A.</emphasis>
|
||
Rhizome with a terminal bud.
|
||
<emphasis bold="true" box="[854,876,1908,1929]" pageId="3" pageNumber="75">B.</emphasis>
|
||
Leafy shoot.
|
||
<emphasis bold="true" box="[1017,1034,1907,1929]" pageId="3" pageNumber="75">C</emphasis>
|
||
. Nodes with leaf bases.
|
||
<emphasis bold="true" box="[1284,1307,1908,1929]" pageId="3" pageNumber="75">D.</emphasis>
|
||
Node with an axillary bud.
|
||
<emphasis bold="true" box="[263,286,1944,1965]" pageId="3" pageNumber="75">E.</emphasis>
|
||
Inflorescence with flowers.
|
||
<emphasis bold="true" box="[559,577,1944,1965]" pageId="3" pageNumber="75">F.</emphasis>
|
||
Bract, bracteole, ovary and calyx.
|
||
<emphasis bold="true" box="[912,937,1943,1965]" pageId="3" pageNumber="75">G.</emphasis>
|
||
Flower.
|
||
<emphasis bold="true" box="[1021,1040,1944,1965]" pageId="3" pageNumber="75">H</emphasis>
|
||
. Flower (calyx, corolla lobes and labellum removed).
|
||
<emphasis bold="true" box="[242,257,1980,2001]" pageId="3" pageNumber="75">I.</emphasis>
|
||
Longitudinal section of a flower.
|
||
<emphasis bold="true" box="[596,614,1980,2001]" pageId="3" pageNumber="75">J.</emphasis>
|
||
Corolla lobes (abaxial and adaxial views).
|
||
<emphasis bold="true" box="[1044,1069,1980,2001]" pageId="3" pageNumber="75">K.</emphasis>
|
||
Stamen and labellum.
|
||
<emphasis bold="true" box="[1297,1320,1980,2001]" pageId="3" pageNumber="75">L.</emphasis>
|
||
Longitudinal sections of a fruit.
|
||
<emphasis bold="true" box="[319,347,2016,2037]" pageId="3" pageNumber="75">M.</emphasis>
|
||
Stamen (abaxial and adaxial views
|
||
<emphasis bold="true" box="[692,737,2015,2037]" pageId="3" pageNumber="75">). N.</emphasis>
|
||
Stamen (lateral view).
|
||
<emphasis bold="true" box="[965,990,2015,2037]" pageId="3" pageNumber="75">O.</emphasis>
|
||
Stigma (from left to right: lateral view, abaxial view and adaxial view). Drawn by Mr. D.H. Cui from the type
|
||
<emphasis box="[741,1079,2052,2073]" italics="true" pageId="3" pageNumber="75">V.C. Nguyen & V.K. Nguyen CD 01</emphasis>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7609203" ID-Zenodo-Dep="7609203" httpUri="https://zenodo.org/record/7609203/files/figure.png" pageId="4" pageNumber="76" startId="4.[136,229,2028,2050]" targetBox="[162,1425,190,2004]" targetPageId="4">
|
||
<paragraph blockId="4.[136,1452,2028,2086]" pageId="4" pageNumber="76">
|
||
<emphasis bold="true" box="[136,253,2028,2050]" pageId="4" pageNumber="76">FIGURE 2.</emphasis>
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[258,488,2028,2049]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="4" pageNumber="76" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[258,488,2028,2049]" italics="true" pageId="4" pageNumber="76">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
: vegetative morphology.
|
||
<emphasis bold="true" box="[731,782,2028,2050]" pageId="4" pageNumber="76">A, B.</emphasis>
|
||
Habit.
|
||
<emphasis bold="true" box="[851,875,2028,2050]" pageId="4" pageNumber="76">C.</emphasis>
|
||
Rhizome and leafy shoot.
|
||
<emphasis bold="true" box="[1129,1180,2029,2050]" pageId="4" pageNumber="76">D, E.</emphasis>
|
||
Nodes with leaf sheaths and petioles.
|
||
<emphasis bold="true" box="[223,241,2065,2086]" pageId="4" pageNumber="76">F.</emphasis>
|
||
Node with bud.
|
||
<emphasis bold="true" box="[402,427,2064,2086]" pageId="4" pageNumber="76">G.</emphasis>
|
||
Rhizome and a terminal bud. Photos by V.C. Nguyen from the type
|
||
<emphasis box="[1083,1421,2065,2086]" italics="true" pageId="4" pageNumber="76">V.C. Nguyen & V.K. Nguyen CD 01</emphasis>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7609205" ID-Zenodo-Dep="7609205" httpUri="https://zenodo.org/record/7609205/files/figure.png" pageId="5" pageNumber="77" startId="5.[136,229,1919,1941]" targetBox="[191,1395,190,1895]" targetPageId="5">
|
||
<paragraph blockId="5.[136,1452,1919,2085]" pageId="5" pageNumber="77">
|
||
<emphasis bold="true" box="[136,257,1919,1941]" pageId="5" pageNumber="77">FIGURE 3.</emphasis>
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[267,501,1920,1941]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="5" pageNumber="77" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[267,501,1920,1941]" italics="true" pageId="5" pageNumber="77">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
: floral morphology.
|
||
<emphasis bold="true" box="[710,734,1919,1940]" pageId="5" pageNumber="77">A.</emphasis>
|
||
Inflorescences with flowers.
|
||
<emphasis bold="true" box="[1032,1054,1920,1941]" pageId="5" pageNumber="77">B.</emphasis>
|
||
Inflorescence (lateral view).
|
||
<emphasis bold="true" box="[1350,1374,1919,1941]" pageId="5" pageNumber="77">C.</emphasis>
|
||
Flower dissection.
|
||
<emphasis bold="true" box="[243,267,1956,1977]" pageId="5" pageNumber="77">D.</emphasis>
|
||
Flower (longitudinal section) showing floral tube fused more than halfway with the style base.
|
||
<emphasis bold="true" box="[1174,1196,1956,1977]" pageId="5" pageNumber="77">E.</emphasis>
|
||
Stamen (from left to right: abaxial view, adaxial view and lateral view).
|
||
<emphasis bold="true" box="[577,595,1992,2013]" pageId="5" pageNumber="77">F.</emphasis>
|
||
Stigma (from left to right: lateral view, abaxial view and adaxial view).
|
||
<emphasis bold="true" box="[1303,1328,1991,2013]" pageId="5" pageNumber="77">G.</emphasis>
|
||
From left to right: a fruit with bract, bracteole and calyx, and a fruit (longitudinally dissected) showing seeds. Photos by V.C. Nguyen from the type
|
||
<emphasis box="[136,474,2064,2085]" italics="true" pageId="5" pageNumber="77">V.C. Nguyen & V.K. Nguyen CD 01</emphasis>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7609209" ID-Zenodo-Dep="7609209" httpUri="https://zenodo.org/record/7609209/files/figure.png" pageId="6" pageNumber="78" startId="6.[136,229,1869,1891]" targetBox="[164,1423,190,1845]" targetPageId="6">
|
||
<paragraph blockId="6.[136,1452,1869,1928]" pageId="6" pageNumber="78">
|
||
<emphasis bold="true" box="[136,255,1869,1891]" pageId="6" pageNumber="78">FIGURE 4.</emphasis>
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[263,495,1870,1891]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="6" pageNumber="78" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[263,495,1870,1891]" italics="true" pageId="6" pageNumber="78">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" box="[510,533,1869,1890]" pageId="6" pageNumber="78">A.</emphasis>
|
||
Habit.
|
||
<emphasis bold="true" box="[608,661,1869,1891]" pageId="6" pageNumber="78">B, C.</emphasis>
|
||
Inflorescences.
|
||
<emphasis bold="true" box="[822,845,1870,1891]" pageId="6" pageNumber="78">D.</emphasis>
|
||
Flower (top view).
|
||
<emphasis bold="true" box="[1044,1066,1870,1891]" pageId="6" pageNumber="78">E.</emphasis>
|
||
Flower (front view).
|
||
<emphasis bold="true" box="[1281,1299,1870,1891]" pageId="6" pageNumber="78">F.</emphasis>
|
||
Flower (lateral view).
|
||
<emphasis bold="true" box="[203,228,1905,1927]" pageId="6" pageNumber="78">G.</emphasis>
|
||
Stamen and style (lateral view). Photos by M.S. Nuraliev from Nuraliev 1673.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="7.[136,1452,158,365]" pageId="7" pageNumber="79">
|
||
<taxonomicName authorityName="Juan Chen, V. C. Nguyen, K. S. Nguyen & N. H. Xia" authorityYear="2023" box="[189,463,158,184]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="7" pageNumber="79" phylum="Tracheophyta" rank="species" species="trongduyii">
|
||
<emphasis box="[189,463,158,184]" italics="true" pageId="7" pageNumber="79">Parahellenia trongduyii</emphasis>
|
||
</taxonomicName>
|
||
is also similar to
|
||
<taxonomicName box="[681,802,158,184]" class="Liliopsida" family="Costaceae" genus="Parahellenia" kingdom="Plantae" order="Zingiberales" pageId="7" pageNumber="79" phylum="Tracheophyta" rank="species" species="candida">
|
||
<emphasis box="[681,802,158,184]" italics="true" pageId="7" pageNumber="79">P. candida</emphasis>
|
||
</taxonomicName>
|
||
, but differs in reddish brown (vs. brown) and glabrous (vs. densely puberulent) bladeless sheaths, glabrous (vs. puberulous) abaxial side of leaf blade, softly (vs. sharply) mucronate bract apex and yellow (vs. white) flowers. A detailed comparison is provided in
|
||
<tableCitation box="[1157,1241,230,256]" captionStart="TABLE 1" captionStartId="7.[137,229,412,436]" captionTargetBox="[144,1442,493,1596]" captionTargetPageId="7" captionText="TABLE 1. Comparison of Parahellenia trongduyii, P. tonkinensis (based on Chen et al. 2022) and P. candida (based on Leong-Škorničková et al. 2022). ‘-’ denotes lack of data." httpUri="http://table.plazi.org/id/DF444BABFFE7B213A5FAFE2CFD5DFE72" pageId="7" pageNumber="79" tableUuid="DF444BABFFE7B213A5FAFE2CFD5DFE72">Table 1</tableCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="79" type="materials_examined">
|
||
<paragraph blockId="7.[136,1452,158,365]" pageId="7" pageNumber="79">
|
||
<emphasis bold="true" box="[189,708,266,292]" pageId="7" pageNumber="79">
|
||
Additional specimen examined (
|
||
<typeStatus box="[589,700,266,292]" pageId="7" pageNumber="79">paratype</typeStatus>
|
||
)
|
||
</emphasis>
|
||
:—
|
||
<materialsCitation collectingDate="2016-06-08" collectionCode="N, M, S, MW" country="Vietnam" county="Kon Plong District" elevation="900" latitude="14.757222" location="Mang Den Town" longLatPrecision="21" longitude="108.30972" municipality="Thach Nham" pageId="7" pageNumber="79" specimenCode="MW0753815" specimenCount="1" stateProvince="Kon Tum">
|
||
<collectingCountry box="[741,876,266,292]" name="Vietnam" pageId="7" pageNumber="79">VIETNAM</collectingCountry>
|
||
.
|
||
<collectingRegion box="[892,1122,266,293]" country="Vietnam" name="Kon Tum" pageId="7" pageNumber="79">Kon Tum Province</collectingRegion>
|
||
:
|
||
<collectingCounty box="[1138,1365,266,293]" pageId="7" pageNumber="79">Kon Plong District</collectingCounty>
|
||
,
|
||
<collectingMunicipality pageId="7" pageNumber="79">Thach Nham</collectingMunicipality>
|
||
protected forest,
|
||
<quantity box="[399,470,302,328]" metricMagnitude="4" metricUnit="m" metricValue="1.7" pageId="7" pageNumber="79" unit="km" value="17.0">17 km</quantity>
|
||
<collectionCode box="[476,496,303,329]" country="China" lsid="urn:lsid:biocol.org:col:13092" name="Nanjing University" pageId="7" pageNumber="79" type="Herbarium">N</collectionCode>
|
||
of
|
||
<location LSID="urn:lsid:plazi:treatment:0392AA35FFE1B213A5FBF9D4FDC3FEC6:8EE44DF8FFE7B213A766FE9FFD6BFEE3" box="[533,723,303,329]" country="Vietnam" county="Kon Plong District" latitude="14.757222" longLatPrecision="21" longitude="108.30972" municipality="Thach Nham" name="Mang Den Town" pageId="7" pageNumber="79" stateProvince="Kon Tum">Mang Den Town</location>
|
||
, near river,
|
||
<geoCoordinate box="[854,995,302,329]" degrees="14" direction="north" minutes="45" orientation="latitude" pageId="7" pageNumber="79" precision="15" seconds="26" value="14.757222">14°45’26’’N</geoCoordinate>
|
||
<geoCoordinate box="[1002,1156,302,329]" degrees="108" direction="east" minutes="18" orientation="longitude" pageId="7" pageNumber="79" precision="15" seconds="35" value="108.30972">108°18’35’’E</geoCoordinate>
|
||
,
|
||
<quantity box="[1168,1241,302,329]" metricMagnitude="2" metricUnit="m" metricValue="9.0" pageId="7" pageNumber="79" unit="m" value="900.0">
|
||
<elevation box="[1168,1241,302,329]" metricMagnitude="2" metricUnit="m" metricValue="9.0" pageId="7" pageNumber="79" unit="m" value="900.0">900 m</elevation>
|
||
</quantity>
|
||
,
|
||
<date box="[1252,1390,302,329]" pageId="7" pageNumber="79" value="2016-06-08">
|
||
<collectingDate box="[1252,1390,302,329]" pageId="7" pageNumber="79" value="2016-06-08">8 June 2016</collectingDate>
|
||
</date>
|
||
,
|
||
<emphasis italics="true" pageId="7" pageNumber="79">
|
||
<collectionCode box="[1400,1429,303,329]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="7" pageNumber="79" type="Herbarium">M</collectionCode>
|
||
.
|
||
<collectionCode box="[1432,1448,303,329]" country="Sweden" lsid="urn:lsid:biocol.org:col:15668" name="Department of Botany, Swedish Museum of Natural History" pageId="7" pageNumber="79" type="Herbarium">S</collectionCode>
|
||
. Nuraliev 1673
|
||
</emphasis>
|
||
(
|
||
<collectionCode box="[312,368,338,364]" country="Netherlands" name="Museum Wasmann" pageId="7" pageNumber="79">MW</collectionCode>
|
||
:
|
||
<specimenCode box="[378,530,338,365]" collectionCode="MW" country="Netherlands" name="Museum Wasmann" pageId="7" pageNumber="79">MW0753815</specimenCode>
|
||
) (
|
||
<figureCitation box="[552,622,338,364]" captionStart="FIGURE 4" captionStartId="6.[136,229,1869,1891]" captionTargetBox="[164,1423,190,1845]" captionTargetId="figure-18@6.[164,1423,190,1845]" captionTargetPageId="6" captionText="FIGURE 4. Parahellenia trongduyii. A. Habit. B, C. Inflorescences. D. Flower (top view). E. Flower (front view). F. Flower (lateral view). G. Stamen and style (lateral view). Photos by M.S. Nuraliev from Nuraliev 1673." figureDoi="http://doi.org/10.5281/zenodo.7609209" httpUri="https://zenodo.org/record/7609209/files/figure.png" pageId="7" pageNumber="79">Fig. 4</figureCitation>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |