475 lines
35 KiB
XML
475 lines
35 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.190.79185" ID-GBIF-Dataset="8786810a-a881-4ac9-82f8-15dacd003597" ID-PMC="PMC8891240" ID-Pensoft-Pub="1314-2003-190-87" ID-Pensoft-UUID="BCDE82FC3BA7563187E511566C7F68E1" ID-PubMed="35437378" ModsDocID="1314-2003-190-87" checkinTime="1645627299738" checkinUser="pensoft" docAuthor="Choo, Le Min, Loo, Adrian Hock Beng, Ang, Wee Foong & Er, Kenneth Boon Hwee" docDate="2022" docId="B00B217B24D95AAE8BC332F3797DC8B4" docLanguage="en" docName="PhytoKeys 190: 87-102" docOrigin="PhytoKeys 190" docPubDate="2022-02-23" docSource="http://dx.doi.org/10.3897/phytokeys.190.79185" docTitle="Sindora changiensis L. M. Choo, Loo, W. F. Ang & K. Er 2022, nothosp. nov." docType="treatment" docVersion="4" id="BCDE82FC3BA7563187E511566C7F68E1" lastPageNumber="87" masterDocId="BCDE82FC3BA7563187E511566C7F68E1" masterDocTitle="A natural hybrid of Sindora (Fabaceae, Detarioideae) from Singapore" masterLastPageNumber="102" masterPageNumber="87" pageNumber="87" updateTime="1668140645696" 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>A natural hybrid of Sindora (Fabaceae, Detarioideae) from Singapore</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>Choo, Le Min</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-1609-8343</mods:nameIdentifier>
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<mods:affiliation>National Parks Board, 1 Cluny Road, 259569, Singapore, Singapore</mods:affiliation>
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<mods:nameIdentifier type="email">choolemin@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>Loo, Adrian Hock Beng</mods:namePart>
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<mods:affiliation>National Parks Board, 1 Cluny Road, 259569, Singapore, Singapore</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>Ang, Wee Foong</mods:namePart>
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<mods:affiliation>National Parks Board, 1 Cluny Road, 259569, Singapore, Singapore</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>Er, Kenneth Boon Hwee</mods:namePart>
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<mods:affiliation>National Parks Board, 1 Cluny Road, 259569, Singapore, Singapore</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>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-02-23</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>190</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>87</mods:start>
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<mods:end>102</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.190.79185</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.190.79185</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-190-87</mods:identifier>
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<mods:identifier type="Pensoft-UUID">BCDE82FC3BA7563187E511566C7F68E1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="193585854" LSID="urn:lsid:plazi:treatment:B00B217B24D95AAE8BC332F3797DC8B4" httpUri="http://treatment.plazi.org/id/B00B217B24D95AAE8BC332F3797DC8B4" lastPageNumber="87" pageId="0" pageNumber="87">
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<subSubSection pageId="0" pageNumber="87" type="nomenclature">
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<paragraph pageId="0" pageNumber="87">
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<taxonomicName LSID="B00B217B-24D9-5AAE-8BC3-32F3797DC8B4" authority="L. M. Choo, Loo, W. F. Ang & K. Er" authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis" status="nothosp. nov.">
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Sindora
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<normalizedToken originalValue="×">x</normalizedToken>
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changiensis L.M.Choo, Loo, W.F.Ang & K.Er
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</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="87">nothosp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="87" type="description">
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<paragraph pageId="0" pageNumber="87">
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. The hybrid tree Sindora x changiensis A overview of the 27 m tall tree B developing (green) and ripe (brown) pods on the tree C inflorescences of the tree. (Photos: A K. B. H. Er, B, C L. M. Choo)." figureDoi="10.3897/phytokeys.190.79185.figure3" httpUri="https://binary.pensoft.net/fig/649930" pageId="0" pageNumber="87">Figs 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Comparisons of leaf and flower characters between Sindora x changiensis and its parent species. A, B, C leaves of (A) S. coriacea, (B) S. x changiensis and (C) S. echinocalyx respectively D, E, F flowers of (D) S. coriacea, (E) S. x changiensis and (F) S. echinocalyx respectively, showing the unarmed calyces of S. coriacea, S. Sindora x changiensis, and the spiny calyx of S. echinocalyx G, H, I Ovaries of (G) S. coriacea, (H) S. x changiensis and (I) S. echinocalyx respectively, showing the glabrous patch in the centre for S. coriacea; the densely pubescent ovary for S. x changiensis except for the three stripes across the width; and the densely pubescent ovary for S. echinocalyx, with tiny protuberances visible on the surface, which will later on develop into the spines on the fruit pods. Scale bars: 1 cm (A, B, C); 1 mm (D, E, F, G, H, I). (Photos: L. M. Choo)." figureDoi="10.3897/phytokeys.190.79185.figure4" httpUri="https://binary.pensoft.net/fig/649931" pageId="0" pageNumber="87">, 4</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Comparisons of pod and seed characters between Sindora x changiensis and its parent species A, B, C pods of (A) S. coriacea, (B) S. x changiensis and (C) S. echinocalyx respectively, showing the unarmed pod of S. coriacea, the sparsely spiny pod of Sindora x changiensis, and the densely spiny pod of S. echinocalyx D, E, F seeds of (D) S. coriacea, (E) S. x changiensis and (F) S. echinocalyx respectively. Scale bars: 1 cm (A, B, C, D, E, F). (Photos: L. M. Choo)." figureDoi="10.3897/phytokeys.190.79185.figure5" httpUri="https://binary.pensoft.net/fig/649932" pageId="0" pageNumber="87">, 5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="87" type="reference_group">
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<paragraph pageId="0" pageNumber="87">
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<taxonomicName authority="Choo & Loo & Ang & Er, 2022" authorityName="Choo & Loo & Ang & Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sindora coriacea" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="coriacea" status="nothosp. nov.">Sindora coriacea</taxonomicName>
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=
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<taxonomicName authority="Choo & Loo & Ang & Er, 2022" authorityName="Choo & Loo & Ang & Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sindora coriacea" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="coriacea" status="nothosp. nov.">Sindora coriacea</taxonomicName>
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(Baker) Prain
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<normalizedToken originalValue="×">x</normalizedToken>
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<taxonomicName authority="Choo & Loo & Ang & Er, 2022" authorityName="Choo & Loo & Ang & Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sindora echinocalyx" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="echinocalyx" status="nothosp. nov.">Sindora echinocalyx</taxonomicName>
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Prain.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="87" type="diagnosis">
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<paragraph pageId="0" pageNumber="87">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="87">
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Pod intermediate in character between the two parents, with a smooth surface like that of
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<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
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<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
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</taxonomicName>
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coupled with sparsely-set and fine spines which are much less dense than in
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<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
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<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
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</taxonomicName>
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. Flower calyx entirely smooth and without prickles, resembling
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<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
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<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
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</taxonomicName>
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. Ovary lacking the hairless patch in the centre, which is the case for
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<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
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<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
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</taxonomicName>
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. Instead, it is entirely pubescent with fine adpressed hairs, but without the minute protuberances or prickles that are seen in
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<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
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<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="87" type="materials_examined">
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<paragraph pageId="0" pageNumber="87">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="87">
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<materialsCitation collectingDate="2021-05-06" country="Singapore" latitude="1.3889166" location="Changi" longLatPrecision="1" longitude="103.97697" municipality="Cranwell Road" specimenCount="1" typeStatus="holotype">
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<collectingCountry name="Singapore">Singapore</collectingCountry>
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:
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<location LSID="urn:lsid:plazi:treatment:B00B217B24D95AAE8BC332F3797DC8B4:19BFE88362710D143E6005987AAF6B15" country="Singapore" latitude="1.3889166" longLatPrecision="1" longitude="103.97697" municipality="Cranwell Road" name="Changi">Changi</location>
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: 503
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<collectingMunicipality>Cranwell Road</collectingMunicipality>
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,
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<geoCoordinate degrees="1" direction="north" minutes="23.335" orientation="latitude" precision="1" value="1.3889166">1°23.335'N</geoCoordinate>
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,
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<geoCoordinate degrees="103" direction="east" minutes="58.618" orientation="longitude" precision="1" value="103.97697">103°58.618'E</geoCoordinate>
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,
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<collectingDate value="2021-05-06">6 May 2021</collectingDate>
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, Choo et al., SING2021-265 (
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<typeStatus>holotype</typeStatus>
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SING, isotypes (BKF, K, KEP, L))
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</materialsCitation>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="87">
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Tree up to
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<quantity metricMagnitude="1" metricUnit="m" metricValue="2.7" unit="m" value="27.0">27 m</quantity>
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tall, dbh up to
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<quantity metricMagnitude="0" metricUnit="m" metricValue="1.5" unit="m" value="1.5">1.5 m</quantity>
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, bole columnar, with slightly raised rings around the girth, not buttressed, bark grey to blackish, slightly cracked or flaky. Stipules early caducous, only present in young parts, semicircular,
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" unit="cm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.2-1.4 cm</quantity>
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long. Leaves compound, paripinnate, 3-4 jugate, rachis puberulous,
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="4.55" metricValueMax="5.6" metricValueMin="3.5" unit="cm" value="4.55" valueMax="5.6" valueMin="3.5">3.5-5.6 cm</quantity>
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long; petiole
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" unit="cm" value="2.5" valueMax="3.0" valueMin="2.0">2-3 cm</quantity>
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long; petiolules
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">4-5 mm</quantity>
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long, puberulous, grooved, greenish brown when fresh but drying dark brown to black. Leaflets opposite, coriaceous, elliptic, slightly asymmetric with midrib slightly curved, 3.5-6.8
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.9" metricValueMax="3.5" metricValueMin="2.3" unit="cm" value="2.9" valueMax="3.5" valueMin="2.3">2.3-3.5 cm</quantity>
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, increasing in size up the rachis, base rounded to obtuse, apex acuminate to obtuse, with a very slight emarginate indent at the very tip; upper surface slightly glossy when fresh, but reticulations become conspicuous when dry, entirely glabrous, midrib flat to slightly sunken; lower surface glaucous, puberulous with tiny short golden hairs, midrib raised and also puberulous; thickened marginal vein either glabrous or minutely puberulous; reticulations clear and raised on both the upper and lower surfaces; one gland present on the tip of the midrib on the lower surface, another present on the thickened marginal vein close to the base of the leaflet. Inflorescence paniculate, both terminal and axillary, but mostly concentrated on the crown, growing from old stems where inflorescence branches from the previous year have been shed, flowering rachises long and stout, measuring 11.5-25
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" unit="cm" value="6.5" valueMax="8.0" valueMin="5.0">5-8 cm</quantity>
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, side branches straight but bearing scars where the flowers are attached, branches flexible but held erect in fresh specimens. Both flowering rachis and branches completely pubescent with short golden adpressed to upright hairs. Bracts not seen, caducous; bracteoles ovate, c. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.3" unit="mm" value="1.3">1.3 mm</quantity>
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, pubescent on both surfaces, caducous, only seen in inflorescences where the buds are still small and developing. Pedicels
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="6.0" metricValueMin="4.5" unit="mm" value="5.25" valueMax="6.0" valueMin="4.5">4.5-6 mm</quantity>
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long, pubescent, receptacle short,
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1-1.5 mm</quantity>
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long; buds obovoid to ellipsoid, suture lines of the sepals becoming evident as the bud matures, measuring 6-7.5
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.0" metricValueMax="5.5" metricValueMin="4.5" unit="mm" value="5.0" valueMax="5.5" valueMin="4.5">4.5-5.5 mm</quantity>
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when mature just before anthesis. Flowers strongly zygomorphic. Sepals 4, unequal, lanceolate to elliptic, 8.0-9.3
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<normalizedToken originalValue="×">x</normalizedToken>
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3.0-
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.2" unit="mm" value="5.2">5.2 mm</quantity>
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, outer surface pubescent with small golden hairs, unarmed, inner surface densely covered with long golden brown tightly adpressed hairs. Petal 1, not exserted but nestled within the largest sepal during anthesis, rolled up and containing a drop of sweet floral-scented nectar, c. 7.5
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.2" unit="mm" value="2.2">2.2 mm</quantity>
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when rolled up, top of petal with a well-defined hood fringed with long villous hairs which narrows off with the lower half of the petal with inrolled sides forming a closed tube; outer surface glabrous at the top and down the middle, densely pubescent at the sides and the lower half of the petal; inner surface glabrous; margins villous, colour pink tinged with green at the tip. Stamens 10, diadelphous, united basal portion of the stamens
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" unit="mm" value="2.75" valueMax="3.0" valueMin="2.5">2.5-3 mm</quantity>
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long; two largest filaments
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" unit="mm" value="13.5" valueMax="15.0" valueMin="12.0">12-15 mm</quantity>
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long, the seven in the middle of the bundle
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="7.0" metricValueMin="6.0" unit="mm" value="6.5" valueMax="7.0" valueMin="6.0">6-7 mm</quantity>
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long; two largest anthers elliptic, 2.5-2.7
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.7999999999999998" metricValueMax="1.9" metricValueMin="1.7" unit="mm" value="1.7999999999999998" valueMax="1.9" valueMin="1.7">1.7-1.9 mm</quantity>
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, the others smaller and heart shaped, 1.6-2
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" unit="mm" value="1.2" valueMax="1.4" valueMin="1.0">1-1.4 mm</quantity>
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, all nine mentioned here with visible pollen; final stamen on the other side of the flower is a staminode,
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="6.75" metricValueMax="7.5" metricValueMin="6.0" unit="mm" value="6.75" valueMax="7.5" valueMin="6.0">6-7.5 mm</quantity>
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long but without a fertile anther. Ovary rhomboidal, densely covered all over with long silky villous hairs, except in three strips on the surface where the hairs are less dense; 3.5-4.5
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.9" metricValueMax="3.0" metricValueMin="2.8" unit="mm" value="2.9" valueMax="3.0" valueMin="2.8">2.8-3 mm</quantity>
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, stipe
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="2.2" metricValueMin="1.8" unit="mm" value="2.0" valueMax="2.2" valueMin="1.8">1.8-2.2 mm</quantity>
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long, style glabrous except for the base where it has villous hairs like the rest of the ovary,
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.275" metricValueMax="1.35" metricValueMin="1.2" unit="mm" value="12.75" valueMax="13.5" valueMin="12.0">12-13.5 mm</quantity>
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long, pale yellow green tinged with pink at the base, stigma capitate with small sticky papillate protuberances, c.
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="6.0" unit="mm" value="0.6">0.6 mm</quantity>
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diameter. Pod a flattened, elliptic, rhomboidal or ovate two-valved dehiscent pod, surface sparsely armed with c. 20 or fewer slender spines that sometimes exude a clear resin; surface beneath the spines smooth and puberulous with short golden hairs, 7-8
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<normalizedToken originalValue="×">x</normalizedToken>
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="6.25" metricValueMax="6.5" metricValueMin="6.0" unit="cm" value="6.25" valueMax="6.5" valueMin="6.0">6-6.5 cm</quantity>
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, stipe
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.0" metricValueMin="8.0" unit="mm" value="8.5" valueMax="9.0" valueMin="8.0">8-9 mm</quantity>
|
||
, beak
|
||
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" unit="mm" value="9.5" valueMax="10.0" valueMin="9.0">9-10 mm</quantity>
|
||
. Seed 1, aril trapezoid, yellowish brown to chestnut brown, 2.2-2.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.5-1.7
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
<quantity metricMagnitude="-2" metricUnit="m" metricValue="5.9" metricValueMax="11.0" metricValueMin="0.8" unit="cm" value="5.9" valueMax="11.0" valueMin="0.8">0.8-11 cm</quantity>
|
||
; seed 2-2.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.7-1.9
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.0" metricValueMin="8.0" unit="cm" value="0.85" valueMax="0.9" valueMin="0.8">0.8-0.9 cm</quantity>
|
||
, surface smooth with fine horizontal cracks, black in colour.
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.190.79185.figure3" httpUri="https://binary.pensoft.net/fig/649930" pageId="0" pageNumber="87" start="Figure 3" startId="F3">
|
||
<paragraph pageId="0" pageNumber="87">
|
||
<emphasis bold="true" pageId="0" pageNumber="87">Figure 3.</emphasis>
|
||
The hybrid tree
|
||
<taxonomicName authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis">
|
||
Sindora
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A</emphasis>
|
||
overview of the
|
||
<quantity metricMagnitude="1" metricUnit="m" metricValue="2.7" unit="m" value="27.0">27 m</quantity>
|
||
tall tree
|
||
<emphasis bold="true" pageId="0" pageNumber="87">B</emphasis>
|
||
developing (green) and ripe (brown) pods on the tree
|
||
<emphasis bold="true" pageId="0" pageNumber="87">C</emphasis>
|
||
inflorescences of the tree. (Photos:
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A</emphasis>
|
||
K.B.H. Er,
|
||
<emphasis bold="true" pageId="0" pageNumber="87">B, C</emphasis>
|
||
L.M. Choo).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="distribution">
|
||
<paragraph pageId="0" pageNumber="87">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">The hybrid is likely endemic to Singapore. It is only known to occur naturally in Changi, which is at the north-east coast of Singapore, although the offspring of the tree has been propagated and planted elsewhere in Singapore as roadside trees.</paragraph>
|
||
<caption doi="10.3897/phytokeys.190.79185.figure4" httpUri="https://binary.pensoft.net/fig/649931" pageId="0" pageNumber="87" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="87">
|
||
<emphasis bold="true" pageId="0" pageNumber="87">Figure 4.</emphasis>
|
||
Comparisons of leaf and flower characters between
|
||
<taxonomicName authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis">
|
||
Sindora
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and its parent species.
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A, B, C</emphasis>
|
||
leaves of (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">B</emphasis>
|
||
)
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">C</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
respectively
|
||
<emphasis bold="true" pageId="0" pageNumber="87">D, E, F</emphasis>
|
||
flowers of (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">D</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">E</emphasis>
|
||
)
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">F</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
respectively, showing the unarmed calyces of
|
||
<emphasis italics="true" pageId="0" pageNumber="87">
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">S. coriacea</taxonomicName>
|
||
, S.
|
||
</emphasis>
|
||
<taxonomicName authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis">
|
||
Sindora
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
, and the spiny calyx of
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="0" pageNumber="87">G, H, I</emphasis>
|
||
Ovaries of (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">G</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">H</emphasis>
|
||
)
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">I</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
respectively, showing the glabrous patch in the centre for
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
; the densely pubescent ovary for
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
except for the three stripes across the width; and the densely pubescent ovary for
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
, with tiny protuberances visible on the surface, which will later on develop into the spines on the fruit pods. Scale bars: 1 cm (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A, B, C</emphasis>
|
||
); 1 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">D, E, F, G, H, I</emphasis>
|
||
). (Photos: L.M. Choo).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="etymology">
|
||
<paragraph pageId="0" pageNumber="87">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">
|
||
Latin, -
|
||
<emphasis italics="true" pageId="0" pageNumber="87">ensis</emphasis>
|
||
= from, meaning "from Changi".
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="habitat">
|
||
<paragraph pageId="0" pageNumber="87">Habitat and ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">The species is part of the remnant vegetation of tropical lowland forest that was once present in the area, before it was cleared.</paragraph>
|
||
<caption doi="10.3897/phytokeys.190.79185.figure5" httpUri="https://binary.pensoft.net/fig/649932" pageId="0" pageNumber="87" start="Figure 5" startId="F5">
|
||
<paragraph pageId="0" pageNumber="87">
|
||
<emphasis bold="true" pageId="0" pageNumber="87">Figure 5.</emphasis>
|
||
Comparisons of pod and seed characters between
|
||
<taxonomicName authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis">
|
||
Sindora
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and its parent species
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A, B, C</emphasis>
|
||
pods of (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">B</emphasis>
|
||
)
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">C</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
respectively, showing the unarmed pod of
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, the sparsely spiny pod of
|
||
<taxonomicName authorityName="L. M. Choo, Loo, W. F. Ang & K. Er" authorityYear="2022" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" isHybrid="true" kingdom="Plantae" lsidName="Sindora changiensis" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="species" species="changiensis">
|
||
Sindora
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
, and the densely spiny pod of
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="0" pageNumber="87">D, E, F</emphasis>
|
||
seeds of (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">D</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. coriacea" pageId="0" pageNumber="87" rank="species" species="coriacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. coriacea</emphasis>
|
||
</taxonomicName>
|
||
, (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">E</emphasis>
|
||
)
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
and (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">F</emphasis>
|
||
)
|
||
<taxonomicName lsidName="S. echinocalyx" pageId="0" pageNumber="87" rank="species" species="echinocalyx">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">S. echinocalyx</emphasis>
|
||
</taxonomicName>
|
||
respectively. Scale bars: 1 cm (
|
||
<emphasis bold="true" pageId="0" pageNumber="87">A, B, C, D, E, F</emphasis>
|
||
). (Photos: L.M. Choo).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="phenology">
|
||
<paragraph pageId="0" pageNumber="87">Phenology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">Flowers from April to May, and fruits in August.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="conservation">
|
||
<paragraph pageId="0" pageNumber="87">Conservation.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">
|
||
Only a single tree of
|
||
<taxonomicName isHybrid="true" lsidName="S. changiensis" pageId="0" pageNumber="87" rank="species" species="changiensis">
|
||
S.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
changiensis
|
||
</taxonomicName>
|
||
is known to occur from the wild in Singapore, although the offspring of this tree have been planted elsewhere in Singapore as roadside trees.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="87" type="taxonomic notes">
|
||
<paragraph pageId="0" pageNumber="87">Taxonomic notes.</paragraph>
|
||
<paragraph pageId="0" pageNumber="87">
|
||
In
|
||
<taxonomicName authorityName="Miquel" authorityYear="1861" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sindora" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">Sindora</emphasis>
|
||
</taxonomicName>
|
||
, the leaves of seedlings, saplings and water shoots of mature trees often have a morphology different from that of the mature leaves from the crown of the tree. The leaves of
|
||
<taxonomicName authorityName="Miquel" authorityYear="1861" class="Magnoliopsida" family="Fabaceae" genus="Sindora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sindora" order="Fabales" pageId="0" pageNumber="87" phylum="Tracheophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="87">Sindora</emphasis>
|
||
</taxonomicName>
|
||
seedlings, saplings and water shoots are usually larger in size and are pubescent on the underside and along the leaflet margins, and the shape of the leaf and the leaf apex may differ somewhat from the mature leaves (
|
||
<bibRefCitation author="De Wit, HCD" journalOrPublisher="Bulletin du Jardin botanique de Buitenzorg, ser" pageId="0" pageNumber="87" pagination="5 - 82" refId="B7" refString="De Wit, HCD, 1949. Revision of the genus Sindora Miquel (Legum.). Bulletin du Jardin botanique de Buitenzorg, ser 3 (18): 5 - 82" title="Revision of the genus Sindora Miquel (Legum.)." volume="3" year="1949">de Wit 1949</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.26492/gbs72(2).2020-08" author="Choo, LM" journalOrPublisher="Gardens' Bulletin (Singapore)" pageId="0" pageNumber="87" pagination="233 - 254" refId="B5" refString="Choo, LM, Ngo, KM, 2020. A revision of the genus Sindora (Fabaceae, Detarioideae) in Peninsular Malaysia and Singapore. Gardens' Bulletin (Singapore) 72 (2): 233 - 254, DOI: https://doi.org/10.26492/gbs72(2).2020-08" title="A revision of the genus Sindora (Fabaceae, Detarioideae) in Peninsular Malaysia and Singapore." url="https://doi.org/10.26492/gbs72(2).2020-08" volume="72" year="2020">Choo and Ngo 2020</bibRefCitation>
|
||
). For the identification of this hybrid, pod characters are the most diagnostic, followed by flower characters, although fallen mature leaflets picked from below the tree may be useful in supplementing the fruit and flower characters.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |