<documentid="610C23A877B57CEEBBEE0D4246DF4459"ID-CLB-Dataset="299978"ID-DOI="10.5252/adansonia2024v46a11"ID-GBIF-Dataset="96215e6e-bdb1-4008-891e-3c50e420167e"ID-ISSN="1639-4798"ID-Zenodo-Dep="12742516"IM.bibliography_approvedBy="valdenar"IM.illustrations_approvedBy="valdenar"IM.materialsCitations_approvedBy="valdenar"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="valdenar"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="valdenar"checkinTime="1721032947517"checkinUser="plazi"docAuthor="Callmander, Martin W. & Nusbaumer, Louis"docDate="2024"docId="160287FDE3623133894A18E5FC70FB68"docLanguage="en"docName="adansonia.2024.46.11.pdf"docOrigin="Adansonia (3) 46 (11)"docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2024v46a11.pdf"docStyle="DocumentStyle:2FE19AC740987067EC2A6C89A85F9648.8:Adansonia.2018-.journal_article"docStyleId="2FE19AC740987067EC2A6C89A85F9648"docStyleName="Adansonia.2018-.journal_article"docStyleVersion="8"docTitle="Turraea sambavensis J.-F. Leroy & Lescot 2024"docType="treatment"docVersion="7"lastPageNumber="116"masterDocId="EA3BFF85E36D313C881E183DFFB1FFF8"masterDocTitle="Descriptions of ten new species of Turraea L. (Meliaceae, Turraeeae) from Madagascar with notes on the species described by Buchenau"masterLastPageNumber="128"masterPageNumber="103"pageNumber="116"updateTime="1721251740090"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:titleid="EE5FBEF3DC7D504DF5174A6B7408BC6F">Descriptions of ten new species of Turraea L. (Meliaceae, Turraeeae) from Madagascar with notes on the species described by Buchenau</mods:title>
<mods:namePartid="5F88D6016E15879BBB3C4AE989CCFE94">Callmander, Martin W.</mods:namePart>
<mods:affiliationid="A45340C7757BECA1ADFE3CDA797C3279">Conservatoire et Jardin botaniques de Genève, ch. de l'Impératrice 1, C. P. 71, 1292 Chambésy (Switzerland) martin. callmander @ geneve. ch (corresponding author)</mods:affiliation>
<mods:affiliationid="2CE75BB6F3ADCC94EA88E3DBC811E5D9">Conservatoire et Jardin botaniques de Genève, ch. de l'Impératrice 1, C. P. 71, 1292 Chambésy (Switzerland) and Université de Genève, Faculté des Sciences, Département de botanique et biologie végétale, 1211 Genève 4 (Switzerland)</mods:affiliation>
<taxonomicNameid="59AB4D68E3623133894A18E5FD86FF0A"authority="J.-F. Leroy & Lescot, 2024"authorityName="J.-F. Leroy & Lescot"authorityYear="2024"box="[340,567,215,242]"class="Magnoliopsida"family="Meliaceae"genus="Turraea"kingdom="Plantae"order="Sapindales"pageId="15"pageNumber="116"phylum="Tracheophyta"rank="species"species="sambavensis">
<paragraphid="9E1436EBE362313388A018C5FD7CFEEA"blockId="15.[190,717,215,306]"box="[190,717,248,274]"pageId="15"pageNumber="116">J.-F. Leroy & Lescot ex Callm. & Nusb., sp. nov.</paragraph>
<figureCitationid="06902A6EE362313389B9192AFE55FECA"box="[423,484,279,306]"captionStart="FIG"captionStartId="16.[132,143,1687,1704]"captionTargetBox="[151,1435,214,1646]"captionTargetId="figure-174@16.[142,1465,205,1668]"captionTargetPageId="16"captionText="FIG. 8. — Turraea sambavensis J.-F. Leroy & Lescot ex Callm. & Nusb., sp. nov.: A, immature fruit and a flower; B, flowering stem; C, domatia; D, ovary; E, apical view of staminal tube with receptaculum pollinis; F, calyx; G, various views of stamens; H, front side view of petal. A, Service Forestier 24387; B-H, Service Forestier 9247. Drawings: Jacqueline Lemeux. Scale bars: A, H, 1 cm; B, 5 cm; C, D, G, 1 mm; E, 3 mm; F, 40 mm."figureDoi="http://doi.org/10.5281/zenodo.12742530"httpUri="https://zenodo.org/record/12742530/files/figure.png"pageId="15"pageNumber="116">Fig. 8</figureCitation>
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<paragraphid="9E1436EBE3623133889A1A8EFE03FD1D"blockId="15.[130,777,336,1387]"pageId="15"pageNumber="116">DISTRIBUTION AND ECOLOGY. — The new species is restricted to littoral forests at low elevation.</paragraph>
. — The new species has not been collected since 1966 and is restricted to highly threatened littoral forests south of Sambava that are under severe pressure from local communities through logging for construction and firewood, slash-and-burn agriculture and large-scale oil palm plantations (
<bibRefCitationid="FA3A4B1AE36231338A701B8CFF06FC1B"author="CONSIGLIO T. & SCHATZ G. E. & MCPHERSON G. & LOWRY II P. P. & RABENANTOANDRO J. & ROGERS Z. S. & RABEVOHITRA R. & RABEHEVITRA D."pageId="15"pageNumber="116"pagination="1799 - 1803"refId="ref17354"refString="CONSIGLIO T., SCHATZ G. E., MCPHERSON G., LOWRY II P. P., RABENANTOANDRO J., ROGERS Z. S., RABEVOHITRA R. & RABEHEVITRA D. 2006. - Deforestation and plant diversity of Madagascar's littoral forests. Conservation Biology 20: 1799 - 1803. https: // doi. org / 10.1111 / j. 1523 - 1739.2006.00562. x"type="book chapter"year="2006">
<bibRefCitationid="FA3A4B1AE362313388DA1BF1FEEAFC1C"author="DE BLOCK P."box="[196,347,971,996]"pageId="15"pageNumber="116"pagination="1 - 99"refId="ref17428"refString="DE BLOCK P. 2022. - Monograph of the western Indian Ocean genus Paracephaelis (Rubiaceae - Pavetteae), with description of thirteen new species. European Journal of Taxonomy 801: 1 - 99. https: // doi. org / 10.5852 / ejt. 2022.801.1685"type="journal article"year="2022">De Block 2022</bibRefCitation>
). The new species has not been collected or observed for more than fifty-five years and could therefore be possibly extinct. With an AOO of
² and two known localities, none situated within a protected area network,
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is therefore preliminary assessed as “Critically Endangered (PE)” [CR (PE)] in accordance with IUCN Red List Categories and Criteria (
<bibRefCitationid="FA3A4B1AE362313389171C57FE32FB7A"author="IUCN"box="[265,387,1130,1154]"pageId="15"pageNumber="116"refId="ref17802"refString="IUCN 2012. - IUCN Red List Categories and Criteria. Version 3.1. Ed. 2. IUCN Species Survival Commission, IUCN, Gland and Cambridge."type="journal volume"year="2012">IUCN 2012</bibRefCitation>
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in diam.; young stems brownish, longitudinally striated, glabrous. Leaves unifoliolate; leaf blade broadly elliptic to suborbicular, chartaceous to subcoriaceous, glabrous, (2.5-)3.5-5(-7) × (1-)1.5-2.5(-3) cm, base acute to obtuse, margin entire, sub-revolute, apex rounded or obtuse to mucronate, adaxial surface dark green, abaxial surface pale green, domatia present, in pockets at the axils of the secondary veins; primary and secondary veins prominent on both surfaces; reticulum slightly distinct; petiole
, glabrous to glabrescent on the outside, tomentose on the inside. Corolla white becoming sulfur yellow with a sweet fragrance (
<emphasisid="ACDFEAF9E362313389281F8FFDECF834"box="[310,605,1970,1996]"italics="true"pageId="15"pageNumber="116">Humbert & Capuron 24387</emphasis>
wide in the proximal part, apex acute, puberulent outside, glabrous inside. Staminal tube cylindrical, slightly enlarged distally, (30-)50- 55(-60) mm long, glabrous outside, papillose on the inside; appendices 10 with a tapering blade, twisted at apex, bifid at base,
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in its leaves with domatia and staminal tube bearing 10 long appendices. The latter species also occurs in littoral forests of the east coast. The new species can be distinguised by its larger leaves and flowers, and its ovary with (8-)10(-14) locules (vs
<paragraphid="9E1436EBE36231338B5D1B8AFA01FC08"blockId="15.[811,1457,727,1168]"pageId="15"pageNumber="116">We attribute this name to Leroy & Lescot. No new collections have been gathered since their unpublished description.</paragraph>
<taxonomicNameid="59AB4D68E36231338BAE1C6AFB37FB88"authorityName="Callmander & Nusbaumer"authorityYear="2024"box="[944,1158,1110,1136]"class="Magnoliopsida"family="Meliaceae"genus="Turraea"kingdom="Plantae"order="Sapindales"pageId="15"pageNumber="116"phylum="Tracheophyta"rank="species"species="sambavensis"status="sp. nov.">