162 lines
15 KiB
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162 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.49.9003" ID-PMC="PMC4432233" ID-Pensoft-Pub="1314-2003-49-59" ID-Pensoft-UUID="FF802B61FFBB3565FF8C33265003FF97" ID-PubMed="25987885" ID-Zenodo-Dep="576302" ModsDocID="1314-2003-49-59" checkinTime="1451251537290" checkinUser="pensoft" docAuthor="Snow, Neil, Callmander, Martin & Phillipson, Peter B." docDate="2015" docId="F51CC6FA6B75AD57BD83C6A9888BCC5C" docLanguage="en" docName="PhytoKeys 49: 59-121" docOrigin="PhytoKeys 49" docPubDate="2015-04-28" docSource="http://dx.doi.org/10.3897/phytokeys.49.9003" docTitle="Eugenia malcomberi N. Snow 2015, sp. nov." docType="treatment" docVersion="6" id="FF802B61FFBB3565FF8C33265003FF97" lastPageNumber="74" masterDocId="FF802B61FFBB3565FF8C33265003FF97" masterDocTitle="Studies of Malagasy Eugenia - IV: Seventeen new endemic species, a new combination, and three lectotypifications; with comments on distribution, ecological and evolutionary patterns" masterLastPageNumber="121" masterPageNumber="59" pageNumber="71" updateTime="1668141357631" 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>Studies of Malagasy Eugenia - IV: Seventeen new endemic species, a new combination, and three lectotypifications; with comments on distribution, ecological and evolutionary patterns</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>Snow, Neil</mods:namePart>
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<mods:affiliation>T. M. Sperry Herbarium, Department of Biology, Pittsburg State University, 1701 S. Broadway, Pittsburg, KS 66762 USA</mods:affiliation>
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<mods:nameIdentifier type="email">nsnow@pittstate.edu</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>Callmander, Martin</mods:namePart>
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<mods:affiliation>Missouri Botanical Garden, P. O. Box 299, St. Louis, MO 63166 - 0299, USA & Conservatoire et Jardin botaniques de la Ville de Geneve, case postale 60, 1292 Chambesy, Switzerland</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>Phillipson, Peter B.</mods:namePart>
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<mods:affiliation>Missouri Botanical Garden, P. O. Box 299, St. Louis, MO 63166 - 0299, USA & Institut de systematique, evolution, et biodiversite (ISYEB), Unite mixte de recherche 7205, Centre national de la recherche scientifique / Museum national d'Histoire Naturelle / Ecole pratique des hautes etudes, Universite Pierre et Marie Curie, Sorbonne Universites, CP 39, 57 rue Cuvier, F- 75231 Paris cedex 05, France</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>2015</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2015-04-28</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>49</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>59</mods:start>
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<mods:end>121</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.49.9003</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.49.9003</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-49-59</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF802B61FFBB3565FF8C33265003FF97</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576302</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152025719" LSID="urn:lsid:plazi:treatment:F51CC6FA6B75AD57BD83C6A9888BCC5C" httpUri="http://treatment.plazi.org/id/F51CC6FA6B75AD57BD83C6A9888BCC5C" lastPageId="15" lastPageNumber="74" pageId="12" pageNumber="71">
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<subSubSection pageId="12" pageNumber="71" type="nomenclature">
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<paragraph pageId="12" pageNumber="71">
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<taxonomicName LSID="F51CC6FA-6B75-AD57-BD83-C6A9888BCC5C" authority="N. Snow" authorityName="N. Snow" authorityYear="2015" class="Magnoliopsida" family="Myrtaceae" genus="Eugenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Eugenia malcomberi" order="Myrtales" pageId="12" pageNumber="71" phylum="Tracheophyta" rank="species" species="malcomberi" status="sp. nov.">Eugenia malcomberi N. Snow</taxonomicName>
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<taxonomicNameLabel pageId="12" pageNumber="71">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Holotype specimen of Eugenia malcomberi (MO)." pageId="12" pageNumber="71">holotype (Figure 14): http://www.tropicos.org/Image/100314912</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="72" type="latin">
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<paragraph pageId="13" pageNumber="72">
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<emphasis italics="true" pageId="13" pageNumber="72">
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<pageBreakToken pageId="13" pageNumber="72" start="start">Haec</pageBreakToken>
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species a congeneris madagascariensibus folia grandia habentibus foliis late ellipticis ad basem rotundatis plerumque plus quam 15 cm longis distinguitur.
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="72" type="type">
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<paragraph pageId="13" pageNumber="72">Type.</paragraph>
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<paragraph pageId="13" pageNumber="72">
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MADAGASCAR. Prov. Toliara: NW of Tolagnaro, Reserve Naturelle Integrale #11 (Andohahela) parcelle I, NW of Eminiminy, beside River Itrotroky,
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<geoCoordinate degrees="24" direction="south" minutes="38" orientation="latitude" precision="925" value="-24.633333">24°38'S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="east" minutes="46" orientation="longitude" precision="925" value="46.766666">46°46'E</geoCoordinate>
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, 500-1000 m, 6-13 Feb. 1993, S. Malcomber 2117 + H. van der Werff, C. Hemingway, M. van Bergen, S. Rapanarivo, P.J. Rakotomalaza, O. Andrianantoanina & B. Randriamampionona (holotype: MO-6277745!; isotypes: KSP [KSP000046]!, P [P05131986]!, TAN).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="14" lastPageNumber="73" pageId="13" pageNumber="72" type="description">
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<paragraph pageId="13" pageNumber="72">Description.</paragraph>
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<paragraph lastPageId="14" lastPageNumber="73" pageId="13" pageNumber="72">
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Trees to 6 meters tall; bark of main bole unknown. Indumentum (where noted) of vegetative and reproductive material sericeous (hairs dibrachiate and typically reddish or brownish). Emerging (youngest) branchlets laterally compressed, sparsely hairy, glandular, color uncertain; older branchlets becoming terete, soon glabrous, mostly eglandular, becoming brownish-gray, smooth. Leaves evenly distributed along branchlets (nodes greater than 9 cm apart), coriaceous, venation brochidodromous, strongly discolorous, matte above and below. Axillary colleters present (type A;
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<bibRefCitation author="Snow, N" journalOrPublisher="Systematic Botany Monographs" pageId="35" pageNumber="94" pagination="1 - 95" publicationUrl="10.2307/25027907" refId="B25" refString="Snow, N, Guymer, GP, Sawvel, G, 2003. Systematics of Austromyrtus, Lenwebbia, and the Australian species of Gossia (Myrtaceae). Systematic Botany Monographs 65: 1 - 95, DOI: 10.2307/25027907" title="Systematics of Austromyrtus, Lenwebbia, and the Australian species of Gossia (Myrtaceae)." url="10.2307/25027907" volume="65" year="2003">
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<pageBreakToken pageId="14" pageNumber="73" start="start">Snow</pageBreakToken>
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et al. 2003
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</bibRefCitation>
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) on youngest emerging leaves, otherwise absent. Petioles 8-11 mm long, flattened above, sparsely hairy upon emergence but becoming glabrous, glandular (particularly above adjacent to blade). Leaf blades 14.7-22.6
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<normalizedToken originalValue="×">x</normalizedToken>
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(9.3-)10.0-)12.5 cm, broadly elliptic (mostly) or ovate, base rounded, margin and blade surface flat, apex and tip acute; abaxial surface sparsely hairy at emergence becoming glabrous, oil glands prominent (becoming less so), midvein broad (1.5-2.0 mm wide) and flush at emergence but becoming slightly sulcate in older leaves at least proximally; abaxial surface glabrous, oil glands sparse to moderate on laminar surface but common on midvein, midvein protruding but becoming flush or nearly so towards apex, secondary and intramarginal veins prominent, the veins connecting secondaries also prominent and broadly arching; intramarginal vein relatively faint, irregularly sinuous and 2-3 mm from midpoint at laminar margin. Inflorescence mostly ramiflorous or axillary, fasciculate clusters and comprised monads and triads to 5-7-flowered cymes. Bracteoles 1.1-1.8 mm
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<normalizedToken originalValue="×">x</normalizedToken>
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ca. 0.5 mm, ovate, sparsely hairy, glandular, mostly persisting during anthesis. Hypanthium 4.3-4.5
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<normalizedToken originalValue="×">x</normalizedToken>
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4.0-5.3 mm wide below base of calyx lobes, cupulate, sparsely to moderately hairy especially towards base, oil glands common to dense. Calyx lobes 4, 3.5-6.5 mm long, rounded to broadly obovate, apex obtuse, sparsely ciliate, oil glands moderately common and projecting (especially lower surface), consisting of two longer (inner) lobes and two shorter outer lobes (the bases of the outer lobes covering the bases of the inner lobes in bud), evidently whitish in flower. Petals 4 (5 on one flower), 11-17.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6-12 mm, obovate to widely obovate, glabrous, white, oil glands sparse to common and pronounced. Staminal ring ca. 3.5-4.5 mm in diameter, glabrous. Stamens (estimated) 100-150; filaments 5-13 mm long; anther sacs 0.7-0.9 mm long, globose to subcylindrical; connective bearing one faint apical gland or eglandular. Ovary apex glabrous. Style 10-13 mm long, glabrous, eglandular; stigma narrow (barely if at all swollen). Berries not seen, indicated as being green on specimen label.
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</paragraph>
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<caption pageId="14" pageNumber="73" start="Figure 14" startId="F14">
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<paragraph pageId="14" pageNumber="73">
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<emphasis bold="true" pageId="14" pageNumber="73">Figure 14.</emphasis>
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Holotype specimen of
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<taxonomicName authorityName="N. Snow" authorityYear="2015" class="Magnoliopsida" family="Myrtaceae" genus="Eugenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Eugenia malcomberi" order="Myrtales" pageId="14" pageNumber="73" phylum="Tracheophyta" rank="species" species="malcomberi">
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<emphasis italics="true" pageId="14" pageNumber="73">Eugenia malcomberi</emphasis>
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</taxonomicName>
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(MO).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="73" type="epynomy">
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<paragraph pageId="14" pageNumber="73">Epynomy.</paragraph>
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<paragraph pageId="14" pageNumber="73">The new species honors Dr. Simon Malcomber (b. 1967), who collected the type material and nearly two thousand specimens from Madagascar in the early 1990s.</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="73" type="phenology">
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<paragraph pageId="14" pageNumber="73">Phenology.</paragraph>
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<paragraph pageId="14" pageNumber="73">Flowering in early February; fruiting probably late February through at least mid-March.</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="73" type="distribution">
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<paragraph pageId="14" pageNumber="73">Distribution.</paragraph>
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<paragraph pageId="14" pageNumber="73">
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Known only from the type gathering in Toliara in parcelle I of the Reserve Naturelle Integrale #11 northwest of Taolognaro, in south-western Madagascar. This region is near the southern terminus of the humid forests that occur east of the main escarpment that run latitudinally along much of the length of Madagascar (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution of new Eugenia species in Madagascar with selected Protected Areas (hatched): Eugenia barriei (star), Eugenia delicatissima (squares), Eugenia malcomberi (triangle), Eugenia ranomafana (circles), and Eugenia ravelonarivoi (crosses)." pageId="14" pageNumber="73">4</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="73" type="habitat and ecology">
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<paragraph pageId="14" pageNumber="73">Habitat and ecology.</paragraph>
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<paragraph pageId="14" pageNumber="73">
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The species was collected in a riverine habitat in a rainforest. Some of the (undistributed) type material is heavily clothed in epiphytic mosses,
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<taxonomicName family="Hymenophyllaceae" kingdom="Plantae" lsidName="" order="Myrtales" pageId="14" pageNumber="73" rank="family">Hymenophyllaceae</taxonomicName>
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, and lichens.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="15" lastPageNumber="74" pageId="14" pageNumber="73" type="conservation status">
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<paragraph pageId="14" pageNumber="73">Conservation status.</paragraph>
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<paragraph pageId="15" pageNumber="74">
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<taxonomicName authorityName="N. Snow" authorityYear="2015" class="Magnoliopsida" family="Myrtaceae" genus="Eugenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Eugenia malcomberi" order="Myrtales" pageId="15" pageNumber="74" phylum="Tracheophyta" rank="species" species="malcomberi">
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<emphasis italics="true" pageId="15" pageNumber="74">
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<pageBreakToken pageId="15" pageNumber="74" start="start">Eugenia</pageBreakToken>
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malcomberi
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</emphasis>
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</taxonomicName>
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occurs in the Andohahela protected area (parcel I). No indication was provided on the label about its relative abundance at the time it was collected. Google
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<normalizedToken originalValue="™">(TM)</normalizedToken>
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Earth imagery (April 2013) shows a more or less continuous band of primary forest extending ca. 42 km south and ca. 135 km northeast, and ca. 10 km wide (east to west) at comparable elevations from the type locality. Considering its occurence in a nature reserve in fairly rugged terrain with considerable topographic relief, but also because it is known only from a single subpopulation with an AOO of 9 km2,
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<taxonomicName authorityName="N. Snow" authorityYear="2015" class="Magnoliopsida" family="Myrtaceae" genus="Eugenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Eugenia malcomberi" order="Myrtales" pageId="15" pageNumber="74" phylum="Tracheophyta" rank="species" species="malcomberi">
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<emphasis italics="true" pageId="15" pageNumber="74">Eugenia malcomberi</emphasis>
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</taxonomicName>
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is assigned a preliminary risk of extinction of
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<normalizedToken originalValue="“Vulnerable”">"Vulnerable"</normalizedToken>
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[VU D2] following the IUCN Red List Categories and Criteria (
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<bibRefCitation author="IUCN" journalOrPublisher="IUCN Species Survival Commission, Gland & Cambridge" pageId="34" pageNumber="93" refId="B13" refString="IUCN, 2012. IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission, Gland & Cambridge" title="IUCN Red List Categories and Criteria: version 3.1" year="2012">IUCN 2012</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="74" type="comments">
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<paragraph pageId="15" pageNumber="74">Comments.</paragraph>
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<paragraph pageId="15" pageNumber="74">The petals during anthesis are quite large relative to the size of the flower buds, suggesting that they enlarge rapidly during early anthesis.</paragraph>
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</subSubSection>
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</treatment>
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</document> |