198 lines
16 KiB
XML
198 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.61.7590" ID-PMC="PMC4816981" ID-Pensoft-Pub="1314-2003-61-47" ID-Pensoft-UUID="8166F31259567442FF8EFF8D08373C4A" ID-PubMed="27081349" ID-Zenodo-Dep="576354" ModsDocID="1314-2003-61-47" checkinTime="1456479393676" checkinUser="pensoft" docAuthor="Juswara, Lina, Schuiteman, Andre & Droissart, Vincent" docDate="2016" docId="2E846DC332AC5E5D92AD2BA7C29FA180" docLanguage="en" docName="PhytoKeys 61: 47-59" docOrigin="PhytoKeys 61" docPubDate="2016-02-25" docSource="http://dx.doi.org/10.3897/phytokeys.61.7590" docTitle="Dendrobium (sect. Brevisaccata) taeniocaule Schuit., Juswara & Droissart 2016, sp. nov." docType="treatment" docVersion="3" id="8166F31259567442FF8EFF8D08373C4A" lastPageNumber="51" masterDocId="8166F31259567442FF8EFF8D08373C4A" masterDocTitle="Four new orchid species from the Lengguru fold belt, West Papua, Indonesia" masterLastPageNumber="59" masterPageNumber="47" pageNumber="51" updateTime="1668141653723" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Four new orchid species from the Lengguru fold belt, West Papua, Indonesia</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>Juswara, Lina</mods:namePart>
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<mods:affiliation>Herbarium Bogoriense, Botany Division, Research Center for Biology, Indonesian Institute of Sciences, Cibinong Science Centre, Jl. Raya Jakarta-Bogor Km 46, Cibinong-Bogor, 16911, Indonesia</mods:affiliation>
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<mods:nameIdentifier type="email">lina.juswara@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Schuiteman, Andre</mods:namePart>
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<mods:affiliation>Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AB, United Kingdom</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>Droissart, Vincent</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9798-5616</mods:nameIdentifier>
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<mods:affiliation>Institut de Recherche pour le Developpement (IRD), Unite Mixte de Recherche AMAP (Botanique et Bioinformatique de l'Architecture des Plantes), Boulevard de la Lironde, TA A- 51 / PS 2, F- 34398 Montpellier Cedex 5, France & Missouri Botanical Garden, Africa & Madagascar Department, P. O. Box 299, St. Louis, Missouri 63166 - 0299, U. S. A. & Herbarium et Bibliotheque de Botanique africaine, CP 265, Universite Libre de Bruxelles, Boulevard du Triomphe, B- 1050, Brussels, Belgium</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2016-02-25</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>61</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>47</mods:start>
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<mods:end>59</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.61.7590</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.61.7590</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-61-47</mods:identifier>
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<mods:identifier type="Pensoft-UUID">8166F31259567442FF8EFF8D08373C4A</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576354</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182227287" LSID="urn:lsid:plazi:treatment:2E846DC332AC5E5D92AD2BA7C29FA180" httpUri="http://treatment.plazi.org/id/2E846DC332AC5E5D92AD2BA7C29FA180" lastPageId="5" lastPageNumber="51" pageId="4" pageNumber="51">
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<subSubSection pageId="4" pageNumber="51" type="nomenclature">
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<paragraph pageId="4" pageNumber="51">
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<taxonomicName LSID="2E846DC3-32AC-5E5D-92AD-2BA7C29FA180" authority="Schuit., Juswara & Droissart" authorityName="Schuit., Juswara & Droissart" authorityYear="2016" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium taeniocaule" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="species" section="Brevisaccata" species="taeniocaule" status="sp. nov.">Dendrobium (section Brevisaccata Kraenzl.) taeniocaule Schuit., Juswara & Droissart</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="51">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. A Bulbophyllum leucoglossum: 1 flower 2 dorsal sepal 3 lateral sepal 4 petal; 5, lip, adaxial view 6 lip, abaxial view 7 detail of crest on lip 8 column and base of lip; all after Droissart & Juswara 1789; B Dendrobium centrosepalum: 1 flower 2 flower, lateral view 3 floral bract 4 dorsal sepal 5 lateral sepal 6 petal 7 lip 8 flower, cut open 9 column 10 anther 11 pollinia; all after Droissart & Juswara 1736; C Dendrobium taeniocaule: 1 flower 2 dorsal sepal 3 lateral sepal 4 petal 5 lip 6 mentum 7 column, lateral view 8 column, ventral view; all after Droissart & Juswara 1739; D Taeniophyllum pyriforme: 1 flower 2 dorsal sepal 3 lateral sepal 4 petal 5 lip 6 column 7 anther, dorsal view 8 anther, lateral view; all after Droissart & Juswara 1735. Single scale bar = 1 mm; double scale bar = 1 cm. Drawing: Judi Stone." figureDoi="10.3897/phytokeys.61.7590.figure2" httpUri="https://binary.pensoft.net/fig/79796" pageId="4" pageNumber="51">Figs 2C</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Photographs of living type specimens and habitats. Dendrobium taeniocaule: A habitat and habit B plant C flower and part of pseudobulb D flower, front view E flower, side view. Taeniophyllum pyriforme: F habitat and habit G plant and inflorescence H inflorescence and flowers close-up. Photos: Vincent Droissart." figureDoi="10.3897/phytokeys.61.7590.figure4" httpUri="https://binary.pensoft.net/fig/79798" pageId="4" pageNumber="51">, 4A-E</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="diagnosis">
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<paragraph pageId="4" pageNumber="51">Diagnosis.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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Similar to
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<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium viridiflorum" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="species" species="viridiflorum">
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<emphasis italics="true" pageId="4" pageNumber="51">Dendrobium viridiflorum</emphasis>
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</taxonomicName>
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F.M.Bailey in the flattened stems and the sympodially branching inflorescences with 1-flowered branches. The new species differs from
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<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium viridiflorum" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="species" species="viridiflorum">
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<emphasis italics="true" pageId="4" pageNumber="51">Dendrobium viridiflorum</emphasis>
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</taxonomicName>
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in the relatively much shorter mentum (3.6 mm versus 7 mm long, with the free part of the lip being of about equal length in the two species), the relatively much broader dorsal sepal, in the lip being wider than long (versus longer than wide), and especially in the much wider (8.5 versus 3.2 mm), bilobulate (versus entire) mid-lobe of the lip.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="type">
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<paragraph pageId="4" pageNumber="51">Type.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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Indonesia, West Papua Province, Kaimana Regency, Lobo village, Triton Bay,
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<geoCoordinate degrees="03" direction="south" minutes="43.7962" orientation="latitude" precision="1" value="-3.7299366">03°43.7962'S</geoCoordinate>
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,
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<geoCoordinate degrees="134" direction="east" minutes="3.5962" orientation="longitude" precision="1" value="134.05994">134°3.5962'E</geoCoordinate>
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, 28/10/2014,
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<emphasis italics="true" pageId="4" pageNumber="51">Droissart & Juswara 1739</emphasis>
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(holotype: BO!, spirit material).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="description">
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<paragraph pageId="4" pageNumber="51">Description.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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Epiphytic
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<emphasis italics="true" pageId="4" pageNumber="51">herb</emphasis>
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.
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<emphasis italics="true" pageId="4" pageNumber="51">Rhizome</emphasis>
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short, creeping;
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<emphasis italics="true" pageId="4" pageNumber="51">roots</emphasis>
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1 mm diam., minutely verrucose.
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<emphasis italics="true" pageId="4" pageNumber="51">Pseudobulbs</emphasis>
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erect, yellowish green, elongate, bilaterally flattened, 16-21
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<normalizedToken originalValue="×">x</normalizedToken>
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0.4-0.5 cm; internodes 2.3-2.6 cm long, each internode narrowed towards the base; leafy throughout, except for two or three basal internodes; 6-8-leaved.
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<emphasis italics="true" pageId="4" pageNumber="51">Leaves</emphasis>
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deep green, long-lived, patent, oblong, 2.0-3.3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.6-0.9 cm; apex unequally bilobed; sheath much shorter than the internode.
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<emphasis italics="true" pageId="4" pageNumber="51">Inflorescence</emphasis>
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arising from the apex of the internodes in the upper part of the stem, sympodially branching with age, with up to 3 branches, each branch 3-8 mm long, 1-flowered; peduncle c. 6 mm long, covered with scales in the basal part.
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<emphasis italics="true" pageId="4" pageNumber="51">Floral bract</emphasis>
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triangular, closely appressed, 2.9 mm long, apex apiculate.
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<emphasis italics="true" pageId="4" pageNumber="51">Pedicel</emphasis>
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2.6 mm long ovary at right angles to the pedicel, 2.6 mm long, glabrous; at the base of the pedicel with an abortive rachis.
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<emphasis italics="true" pageId="4" pageNumber="51">Flower</emphasis>
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10.3 mm high, glabrous; sepals greenish white, tinged pale purple abaxially and on the mentum; petals pale green; lip white; column pale green suffused with purple; anther pale green.
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<emphasis italics="true" pageId="4" pageNumber="51">Dorsal sepal</emphasis>
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broadly ovate, 4.1
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<normalizedToken originalValue="×">x</normalizedToken>
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3.3 mm, 5-nerved, obtuse.
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<emphasis italics="true" pageId="4" pageNumber="51">Lateral sepals</emphasis>
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obliquely broadly ovate, the free part 5.3
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<normalizedToken originalValue="×">x</normalizedToken>
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4.3 mm, 5-nerved, obtuse; mentum cylindrical, 3.6 mm long, apex rounded, the closed apical part 2.8 mm long.
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<emphasis italics="true" pageId="4" pageNumber="51">Petals</emphasis>
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linear-oblong, 4.4
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<normalizedToken originalValue="×">x</normalizedToken>
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1.2 mm, acuminate, 3-nerved, margin in upper third finely papillose.
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<emphasis italics="true" pageId="4" pageNumber="51">Lip</emphasis>
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3-lobed, clawed, when flattened 6.7
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<normalizedToken originalValue="×">x</normalizedToken>
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8.5 mm excluding the c. 4 mm long, linear claw; lateral lobes subfalcate-oblong, patent, 2.7
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<normalizedToken originalValue="×">x</normalizedToken>
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1.0 mm; mid-lobe clawed, bilobulate (the whole lip appearing 4-lobulate), 5.7
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<normalizedToken originalValue="×">x</normalizedToken>
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8.5 mm; mid-lobe claw obtrapeziform, 1.7
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<normalizedToken originalValue="×">x</normalizedToken>
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4.4. mm; lobules of the mid-lobe rectangular-orbicular, 3.3
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<normalizedToken originalValue="×">x</normalizedToken>
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4.2 mm; the whole of the lip, except for the lateral lobes and the lobules of the mid-lobe, occupied by a sharply delimited swelling, which has two broad longitudinal crests with a narrow rib in between and which projects backwards over the claw of the lip for 0.3 mm.
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<emphasis italics="true" pageId="4" pageNumber="51">Column</emphasis>
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broadly conical in front view, 1.7 mm long, wings very short, truncate; foot 3.6 mm long;
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<emphasis italics="true" pageId="4" pageNumber="51">stigma</emphasis>
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large, 1.6 mm wide, rostellum a simple transverse ridge;
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<emphasis italics="true" pageId="4" pageNumber="51">anther</emphasis>
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cucullate-rectangular, 1.1 mm wide, glabrous;
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<emphasis italics="true" pageId="4" pageNumber="51">pollinia</emphasis>
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not seen.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="distribution and habitat">
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<paragraph pageId="4" pageNumber="51">Distribution and habitat.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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<taxonomicName authorityName="Schuit., Juswara & Droissart" authorityYear="2016" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium taeniocaule" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="species" species="taeniocaule">
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<emphasis italics="true" pageId="4" pageNumber="51">Dendrobium taeniocaule</emphasis>
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</taxonomicName>
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is only known from the Lengguru fold belt in West Papua. It is currently recorded from a single locality in the Triton Bay area, near the village of Lobo (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Main localities sampled during Lengguru 2014 expedition and distribution of the four new species in West Papua, Indonesia." figureDoi="10.3897/phytokeys.61.7590.figure1" httpUri="https://binary.pensoft.net/fig/79795" pageId="4" pageNumber="51">1</figureCitation>
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). The only population seen so far was found in submontane forest at 1114 m elevation, the plants growing epiphytically on a vertical, lichen-covered trunk of a tree.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="etymology">
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<paragraph pageId="4" pageNumber="51">Etymology.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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From the Greek
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<emphasis italics="true" pageId="4" pageNumber="51">taenia</emphasis>
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, a band or strap, and
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<emphasis italics="true" pageId="4" pageNumber="51">caulon</emphasis>
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, stem; referring to the flattened, band-shaped pseudobulbs.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="52" pageId="4" pageNumber="51" type="notes">
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<paragraph pageId="4" pageNumber="51">Notes.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="52" pageId="4" pageNumber="51">
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This species has only one obvious close relative, which is the widespread
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<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium viridiflorum" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="species" species="viridiflorum">
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<emphasis italics="true" pageId="4" pageNumber="51">Dendrobium viridiflorum</emphasis>
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</taxonomicName>
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. Uniquely in section
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<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asparagales" pageId="4" pageNumber="51" phylum="Tracheophyta" rank="section" section="Brevisaccata">
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<emphasis italics="true" pageId="4" pageNumber="51">Brevisaccata</emphasis>
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</taxonomicName>
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, these two species share flattened stems and abbreviated inflorescences that produce up to 3, 1-flowered branches in succession
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<pageBreakToken pageId="5" pageNumber="52" start="start">over</pageBreakToken>
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a longer period. The other species in the section have terete stems and flowers produced simultaneously on elongate racemes. In addition to clear morphological differences, as indicated in the diagnosis, the two first-mentioned species also have different ecologies. While
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<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium viridiflorum" order="Asparagales" pageId="5" pageNumber="52" phylum="Tracheophyta" rank="species" species="viridiflorum">
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<emphasis italics="true" pageId="5" pageNumber="52">Dendrobium viridiflorum</emphasis>
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</taxonomicName>
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is exclusively found in mangroves and coastal forest below 200 m,
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<taxonomicName authorityName="Schuit., Juswara & Droissart" authorityYear="2016" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium taeniocaule" order="Asparagales" pageId="5" pageNumber="52" phylum="Tracheophyta" rank="species" species="taeniocaule">
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<emphasis italics="true" pageId="5" pageNumber="52">Dendrobium taeniocaule</emphasis>
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</taxonomicName>
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occurs in submontane forest above 1000 m.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |