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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.11.2955" ID-PMC="PMC3332033" ID-Pensoft-Pub="1314-2003-11-1" ID-Pensoft-UUID="FF95FFAEFF935852FFBAFFADFF974E61" ID-PubMed="22577332" ID-Zenodo-Dep="576117" ModsDocID="1314-2003-11-1" checkinTime="1451252028344" checkinUser="pensoft" docAuthor="Hovenkamp, Peter H. &amp; Ho, Boon-Chuan" docDate="2012" docId="4FEF43C47614EB29316D32E79439D956" docLanguage="en" docName="PhytoKeys 11: 1-37" docOrigin="PhytoKeys 11" docPubDate="2012-04-06" docSource="http://dx.doi.org/10.3897/phytokeys.11.2955" docTitle="Oleandra sibbaldii Grev 1848" docType="treatment" docVersion="6" id="FF95FFAEFF935852FFBAFFADFF974E61" lastPageNumber="17" masterDocId="FF95FFAEFF935852FFBAFFADFF974E61" masterDocTitle="A revision of the fern genus Oleandra (Oleandraceae) in Asia" masterLastPageNumber="37" masterPageNumber="1" pageNumber="16" updateTime="1668139084214" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>A revision of the fern genus Oleandra (Oleandraceae) in Asia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Hovenkamp, Peter H.</mods:namePart>
<mods:affiliation>Netherlands Centre for Biodiversity Naturalis (section NHN), Leiden University, PO Box 9517, 2300 RA Leiden, The Netherlands</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ho, Boon-Chuan</mods:namePart>
<mods:affiliation>Nees-Institut fuer Biodiversitaet der Pflanzen, Rheinische Friedrich-Wilhelms-Universitaet Bonn, Meckenheimer Allee 170, D- 53115 Bonn, Germany</mods:affiliation>
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<mods:title>PhytoKeys</mods:title>
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<mods:date>2012</mods:date>
<mods:detail type="pubDate">
<mods:number>2012-04-06</mods:number>
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<mods:detail type="volume">
<mods:number>11</mods:number>
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<mods:start>1</mods:start>
<mods:end>37</mods:end>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.11.2955</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.11.2955</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-11-1</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576117</mods:identifier>
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<treatment ID-GBIF-Taxon="152024198" LSID="urn:lsid:plazi:treatment:4FEF43C47614EB29316D32E79439D956" httpUri="http://treatment.plazi.org/id/4FEF43C47614EB29316D32E79439D956" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
<subSubSection pageId="15" pageNumber="16" type="nomenclature">
<paragraph pageId="15" pageNumber="16">
5.
<taxonomicName LSID="4FEF43C4-7614-EB29-316D-32E79439D956" authorityName="Grev" authorityYear="1848" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Oleandra sibbaldii" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="sibbaldii">Oleandra sibbaldii</taxonomicName>
<figureCitation captionStart="Map 4" captionStartId="F9" captionText="Map 4. Distribution of Oleandra sibbaldii." httpUri="https://binary.pensoft.net/fig/10056" pageId="15" pageNumber="16">Map 4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="15" pageNumber="16" type="reference_group">
<paragraph pageId="15" pageNumber="16">
<taxonomicName authorityName="Grev" authorityYear="1848" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="sibbaldii">Oleandra sibbaldii</taxonomicName>
Grev., Ann.and Mag.Nat.Hist.Ser.2 1: 327. 1848. Copel., Bull. Bernice P. Bishop Mus. 93: 61. 1932. Philipp. J. Sci. 73: 346. 1940. C.Chr., Bull. Bernice P. Bishop Mus. 177 47. 1943. Copel., Fern Flora of the Philippines: 183. 1958. Brownlie, The Pteridophyte Flora of Fiji: 157. 1977. M.Kato, J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 14: 239. 1989. R.M.Tryon, Rhodora 102: 436, fig. 7. 2001.
<taxonomicName class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="cumingii">
<emphasis italics="true" pageId="15" pageNumber="16">Oleandra cumingii</emphasis>
</taxonomicName>
var.
<emphasis italics="true" pageId="15" pageNumber="16">sibbaldii</emphasis>
Baker, Syn. Fil. (Hooker &amp; Baker): 303. 1868. Type: FRENCH POLYNESIA. Tahiti: Sibbald s.n. (holotype: E, barcode E00417634, not seen).
</paragraph>
<paragraph pageId="15" pageNumber="16">
<taxonomicName authorityName="Kunze" authorityYear="1851" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="tricholepis">Oleandra tricholepis</taxonomicName>
Kunze, Kunze, Bot. Zeitung (Berlin) 9: 349. 1851. Type. INDONESIA. Bornea: Hupe s.n. (holotype: LZ, probably destroyed).
</paragraph>
<paragraph pageId="15" pageNumber="16">
<taxonomicName authorityName="Bak" authorityYear="1876" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="whitmeei">Oleandra whitmeei</taxonomicName>
Baker, J. Bot. 5: 11. 1876. (&quot;
<emphasis italics="true" pageId="15" pageNumber="16">whitmei</emphasis>
&quot;).
<taxonomicName authorityName="Bak" authorityYear="1876" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="whitmeei">
<emphasis italics="true" pageId="15" pageNumber="16">Oleandra whitmeei</emphasis>
</taxonomicName>
Copel., Polypod. Phil. Isl.: 49. 1905. Copel., Bull. Bernice P. Bishop Mus. 59 87. 1929. Type. SAMOA.
<normalizedToken originalValue="Savaii">Savai'i</normalizedToken>
: Whitmee &amp; Powell s.n. (holotype: K).
</paragraph>
<paragraph pageId="15" pageNumber="16">
<taxonomicName authorityName="Copel" authorityYear="1931" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="gracilis">Oleandra gracilis</taxonomicName>
Copel., Univ. Calif. Publ. Bot. 12: 397, pl. 52b. 1931. Copel.Philipp. J. Sci. 73: 347. 1940. Type: PAPUA NEW GUINEA. New Guinea: Keysser 74 (holotype: UC).
</paragraph>
<paragraph pageId="15" pageNumber="16">
<taxonomicName authorityName="Copel" authorityYear="1940" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="15" pageNumber="16" phylum="Magnoliophyta" rank="species" species="crassipes">Oleandra crassipes</taxonomicName>
Copel., Philipp. J. Sci. 73: 347, Pl. 2. 1940. Type: INDONESIA. New Guinea: Bernhard camp, Brass 12109 (holotype: UC; isotypes: BO, L).
</paragraph>
</subSubSection>
<subSubSection pageId="15" pageNumber="16" type="description">
<paragraph pageId="15" pageNumber="16">Description.</paragraph>
<paragraph pageId="15" pageNumber="16">
<emphasis italics="true" pageId="15" pageNumber="16">Rhizome</emphasis>
long-creeping or pendulous, sparsely branching, 1.5-4.5 mm thick, very strongly white waxy, in cross-section without or with few scattered sclerified strands, phyllopodia scattered, (0.3-)0.8-4.0(-5.7) cm long, roots with distinct unbranched parts.
<emphasis italics="true" pageId="15" pageNumber="16">Scales</emphasis>
deciduous, exposing the rhizome in older parts, peltate, (3-)5-15(-18)
<normalizedToken originalValue="×">x</normalizedToken>
(0.3-)0.4-0.9(-1.2) mm, usually widest above the attachment, squarrose, reddish brown, margin entire or more or less densely set with sessile glands, acumen attenuated, long filiform apex.
<emphasis italics="true" pageId="15" pageNumber="16">Fronds</emphasis>
monomorphic; stipe (0.3-)0.5-3.5(-4.5) cm long, often with dark coloration on abaxial side; lamina to (4.5-)15-40(-58)
<normalizedToken originalValue="×">x</normalizedToken>
1-4(-6) cm, widest in middle part, base attenuate to cuneate, sometimes rounded, rarely truncate, sometimes asymmetric, apex acuminate or up to 3 cm caudate, texture membranous to coriaceous, both sides sparsely to densely set with catenate hairs to c. 0.5 mm long; costa on lower surface often with dark-coloration, on both surfaces with scales, scales on lower surface often abundant, to 6(-11)
<normalizedToken originalValue="×">x</normalizedToken>
1(-1.2) mm, pale to dark brown, on upper surface scarce, inconspicuous.
<emphasis italics="true" pageId="15" pageNumber="16">Sori</emphasis>
inframedial, leaving a distinct 1-4 mm wide sterile zone between costa and soral zone, sometimes as much as 12 mm from costa, indusium firm, to 1 mm wide, hairy. Sporangial stalk with glands below the sporangium. Spores with an irregular mesh-like network of up to 10
<normalizedToken originalValue="µm">µm</normalizedToken>
high folds, finely papillose with spinules up to ca. 4
<normalizedToken originalValue="×">x</normalizedToken>
1
<normalizedToken originalValue="μm">μm</normalizedToken>
, perispore baculate, outer layer much perforated.
</paragraph>
</subSubSection>
<subSubSection pageId="16" pageNumber="17" type="distribution">
<paragraph pageId="16" pageNumber="17">
<pageBreakToken pageId="16" pageNumber="17" start="start">Distribution</pageBreakToken>
.
</paragraph>
<paragraph pageId="16" pageNumber="17">Eastern Malesia to Pacific Islands. Malaysia: Sabah, Sarawak, Philippines: Mindanao; Indonesia: Sulawesi; Moluccas, Papua; Papua New Guinea; Solomon islands; Vanuatu; Tahiti and Marquesas: Hiva Oa, Nuku Hiva, Tahuata, Ua Huka and Ua Pou; Western Samoa: Savaii; Fiji.</paragraph>
<caption httpUri="https://binary.pensoft.net/fig/10056" pageId="16" pageNumber="17" start="Map 4" startId="F9">
<paragraph pageId="16" pageNumber="17">
<emphasis bold="true" pageId="16" pageNumber="17">Map 4.</emphasis>
Distribution of
<taxonomicName authorityName="Grev" authorityYear="1848" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="16" pageNumber="17" phylum="Magnoliophyta" rank="species" species="sibbaldii">
<emphasis italics="true" pageId="16" pageNumber="17">Oleandra sibbaldii</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="16" pageNumber="17" type="ecology">
<paragraph pageId="16" pageNumber="17">Ecology.</paragraph>
<paragraph pageId="16" pageNumber="17">Epiphytic, epilithic, or less commonly terrestrial (most often at elevations over 1500m), commonly collected from mossy forests, climbing or sprawling among bryophytes and other epiphytes, or pendulous from mossy tree branches, to 600 m (Marquesas and Tahiti); or from 1000 to 3000 m (elsewhere).</paragraph>
</subSubSection>
<subSubSection pageId="16" pageNumber="17" type="discussion">
<paragraph pageId="16" pageNumber="17">Discussion.</paragraph>
<paragraph pageId="16" pageNumber="17">
<taxonomicName authorityName="Grev" authorityYear="1848" class="Magnoliopsida" family="Oleandraceae" genus="Oleandra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Myrtales" pageId="16" pageNumber="17" phylum="Magnoliophyta" rank="species" species="sibbaldii">
<emphasis italics="true" pageId="16" pageNumber="17">Oleandra sibbaldii</emphasis>
</taxonomicName>
is common on New Guinea, but appears to be much sparser towards the periphery of the distribution area.
</paragraph>
<paragraph pageId="16" pageNumber="17">The dark colour on the abaxial surface of the costa is often very conspicuous, extending on the stipe, thus rendering the stipe conspicuously bicolorous.</paragraph>
</subSubSection>
</treatment>
</document>