249 lines
26 KiB
XML
249 lines
26 KiB
XML
<document ID-DOI="http://doi.org/10.5281/zenodo.4605796" ID-ISSN="1639-4798" ID-Zenodo-Dep="4605796" approvalRequired="27" approvalRequired_for_taxonomicNames="2" approvalRequired_for_textStreams="19" approvalRequired_for_treatments="6" checkinTime="1615827991694" checkinUser="carolina" docAuthor="Mckey, Doyle B." docDate="2000" docId="03E6A435FFA0FFE3C0BD74F1ABDB59C5" docLanguage="en" docName="Adansonia.22.1.71-109.pdf" docOrigin="Adansonia (3) 22 (1)" docStyle="DocumentStyle:CB241A4BDED3F88A438CB4AD43664FA9.2:Adansonia.2000.journal_article" docStyleId="CB241A4BDED3F88A438CB4AD43664FA9" docStyleName="Adansonia.2000.journal_article" docStyleVersion="2" docTitle="Leonardoxa africana subsp. gracilicaulis McKey 2000" docType="treatment" docVersion="3" lastPageId="32" lastPageNumber="103" masterDocId="FFDFDC4DFFBFFFC3C218743CA95C5F6D" masterDocTitle="Leonardoxa africana (Leguminosae: Caesalpinioideae): a complex of mostly allopatric subspecies" masterLastPageNumber="109" masterPageNumber="71" pageId="31" pageNumber="102" updateTime="1626374491340" updateUser="tatiana" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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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>Leonardoxa africana (Leguminosae: Caesalpinioideae): a complex of mostly allopatric subspecies</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>Mckey, Doyle B.</mods:namePart>
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<mods:affiliation>Centre d’Écologie Fonctionnelle et Évolutive (UPR CNRS 9056), Université Montpellier II, 1919 route de Mende, 34293 Montpellier cedex 05, France.</mods:affiliation>
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<mods:nameIdentifier type="email">mckey@cefe.cnrs-mop.fr</mods:nameIdentifier>
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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>Adansonia</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2000</mods:date>
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<mods:detail type="series">
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<mods:title>3</mods:title>
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||
</mods:detail>
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||
<mods:detail type="pubDate">
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<mods:number>2000-06-03</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>22</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>71</mods:start>
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<mods:end>109</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:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://doi.org/10.5281/zenodo.4605796</mods:identifier>
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<mods:identifier type="ISSN">1639-4798</mods:identifier>
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<mods:identifier type="Zenodo-Dep">4605796</mods:identifier>
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<mods:identifier type="ZooBank">933B60E6-57E6-4EB4-ACA8-D871ABD9F36A</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:03E6A435FFA0FFE3C0BD74F1ABDB59C5" httpUri="http://treatment.plazi.org/id/03E6A435FFA0FFE3C0BD74F1ABDB59C5" lastPageId="32" lastPageNumber="103" pageId="31" pageNumber="102">
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<subSubSection pageId="31" pageNumber="102" type="nomenclature">
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<paragraph blockId="31.[677,1210,205,232]" box="[677,1210,205,232]" pageId="31" pageNumber="102">
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<heading box="[677,1210,205,232]" centered="true" fontSize="10" level="2" pageId="31" pageNumber="102" reason="2">
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<taxonomicName authority="Mckey, 2000" authorityName="McKey" authorityYear="2000" box="[677,1210,205,232]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="31" pageNumber="102" phylum="Tracheophyta" rank="subSpecies" species="africana" status="subsp. nov." subSpecies="gracilicaulis">
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<emphasis bold="true" box="[677,948,205,232]" pageId="31" pageNumber="102">Leonardoxa africana</emphasis>
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subsp.
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<emphasis bold="true" box="[1048,1210,206,232]" pageId="31" pageNumber="102">gracilicaulis</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph blockId="31.[677,1211,235,505]" box="[695,1044,235,263]" pageId="31" pageNumber="102">
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McKey,
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<emphasis bold="true" box="[785,913,235,261]" pageId="31" pageNumber="102">subsp. nov.</emphasis>
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(= group 1)
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="32" lastPageNumber="103" pageId="31" pageNumber="102" type="description">
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<paragraph blockId="31.[677,1211,235,505]" pageId="31" pageNumber="102">
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<emphasis box="[703,847,278,303]" italics="true" pageId="31" pageNumber="102">Haec subspecies</emphasis>
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Leonardoxae africanae
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<taxonomicName pageId="31" pageNumber="102" rank="subSpecies" subSpecies="rumpiensi">
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<emphasis box="[1078,1135,279,303]" italics="true" pageId="31" pageNumber="102">subsp.</emphasis>
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rumpiensi
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</taxonomicName>
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<emphasis box="[724,831,304,327]" italics="true" pageId="31" pageNumber="102">arcte atque</emphasis>
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L. africanae
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<taxonomicName box="[965,1120,304,328]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="31" pageNumber="102" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="letouzeyi">
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<emphasis box="[965,1023,304,328]" italics="true" pageId="31" pageNumber="102">subsp.</emphasis>
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letouzeyi
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</taxonomicName>
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<emphasis box="[1128,1144,304,327]" italics="true" pageId="31" pageNumber="102">et</emphasis>
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<taxonomicName pageId="31" pageNumber="102" rank="subSpecies" subSpecies="africanae">
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<emphasis box="[1153,1211,304,328]" italics="true" pageId="31" pageNumber="102">subsp.</emphasis>
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africanae
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</taxonomicName>
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<emphasis italics="true" pageId="31" pageNumber="102">
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nonnihil remotior affinis, sed ab ea glandulis nectariferis crateriformibus ad foliola proximalia nullis ad duabus atque foliorum expansione simultanea ramunculi ad nodos terminales duos ad quattuor, ab omnibus ramunculorum juvenilium internodiis non inflatis atque racemis ad ramunculos diametro
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<quantity box="[1004,1097,455,479]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="31" pageNumber="102" unit="mm" value="7.5" valueMax="10.0" valueMin="5.0">5-10 mm</quantity>
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axillaribus distinguitur.
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</emphasis>
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</paragraph>
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<paragraph blockId="31.[677,1210,538,640]" pageId="31" pageNumber="102">
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<materialsCitation collectingDate="1970-03-23" collectionCode="TYPUS" country="Cameroon" county="Akonekye" elevation="700" location="Letouzey" municipality="Colline Ongongondje" pageId="31" pageNumber="102" specimenCount="1" typeStatus="holotype">
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<typeStatus box="[703,766,539,562]" pageId="31" pageNumber="102">TYPUS</typeStatus>
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. —
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<emphasis box="[817,983,538,562]" italics="true" pageId="31" pageNumber="102">
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<location LSID="urn:lsid:plazi:treatment:03E6A435FFA0FFE3C0BD74F1ABDB59C5:8E9043F8FFA0FFDCC1297627AADA5D5F" box="[817,902,539,562]" country="Cameroon" county="Akonekye" municipality="Colline Ongongondje" name="Letouzey" pageId="31" pageNumber="102">Letouzey</location>
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10201,
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</emphasis>
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<collectingCountry box="[992,1103,540,564]" name="Cameroon" pageId="31" pageNumber="102">Cameroon</collectingCountry>
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,
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<location LSID="urn:lsid:plazi:treatment:03E6A435FFA0FFE3C0BD74F1ABDB59C5:8E9043F8FFA0FFDCC6437620AA545D20" country="Cameroon" county="Akonekye" municipality="Colline Ongongondje" name="Southern Province" pageId="31" pageNumber="102">Southern Province</location>
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,
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<collectingMunicipality box="[789,1029,565,589]" pageId="31" pageNumber="102">Colline Ongongondje</collectingMunicipality>
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near
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<collectingCounty box="[1095,1206,565,589]" pageId="31" pageNumber="102">Akonekye</collectingCounty>
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,
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<locationDeviation box="[677,879,590,614]" location="Ambam" pageId="31" pageNumber="102">
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<quantity box="[677,740,590,614]" metricMagnitude="4" metricUnit="m" metricValue="1.5" pageId="31" pageNumber="102" unit="km" value="15.0">15 km</quantity>
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NW Ambam
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</locationDeviation>
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, ca.
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<quantity box="[922,989,590,614]" metricMagnitude="2" metricUnit="m" metricValue="7.0" pageId="31" pageNumber="102" unit="m" value="700.0">
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<elevation box="[922,989,590,614]" metricMagnitude="2" metricUnit="m" metricValue="7.0" pageId="31" pageNumber="102" unit="m" value="700.0">700 m</elevation>
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</quantity>
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,
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<date box="[999,1137,590,614]" pageId="31" pageNumber="102" value="1970-03-23">
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<collectingDate box="[999,1137,590,614]" pageId="31" pageNumber="102" value="1970-03-23">23 Mar. 1970</collectingDate>
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</date>
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(holo-,
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</materialsCitation>
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P; iso-, BR, K, WAG, YA).
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</paragraph>
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<paragraph blockId="31.[677,1210,665,1397]" pageId="31" pageNumber="102">
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Tree to
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<quantity box="[785,842,665,692]" metricMagnitude="1" metricUnit="m" metricValue="2.5" pageId="31" pageNumber="102" unit="m" value="25.0">25 m</quantity>
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tall. Trunk up to
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<quantity box="[1035,1140,665,692]" metricMagnitude="-1" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="31" pageNumber="102" unit="cm" value="55.0" valueMax="60.0" valueMin="50.0">50-60 cm</quantity>
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diam. Young shoots produced in flushes of (1-)2-4 internodes and leaves at each branch tip; internodes of young twigs (1.1-)3.7(-7) cm long, not modified as myrmecodomatia, not swollen; twigs (2-)2.3(-3.1) mm diam. at apex tapering to ca.
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="31" pageNumber="102" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1- 2 mm</quantity>
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diam. at base of internode. Prostoma lacking. Leaves 2-3-jugate; leaflets elliptic, falcate, apex acuminate to long-acuminate, the smallest ones (proximal pair) (9.6-)10.9(-15) cm long and (3-)4(-5) cm broad, largest ones (the distal ones in 2-jugate leaves, median ones in 3-jugate leaves) (12-)15(-26) cm long and (4-)5.5(-9.5) cm broad. Nectary glands small (smooth gland surface oblong, about 0.5 ×
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<quantity box="[989,1105,1094,1121]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" pageId="31" pageNumber="102" unit="mm" value="0.75">0.75 mm</quantity>
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), mostly restricted to proximal leaflets, where they are variable in number (0-2). Racemes very short (axis to
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<quantity box="[677,731,1186,1213]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="31" pageNumber="102" unit="cm" value="3.0">3 cm</quantity>
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long), with 25-40 flowers, axillary on small twigs of 2-3 (rarely 5-10) mm diam. (
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<figureCitation box="[1123,1194,1218,1244]" captionStart="Fig" captionStartId="28.[114,142,1115,1132]" captionTargetBox="[114,1210,610,1074]" captionTargetId="figure-375@28.[105,1220,605,1082]" captionTargetPageId="28" captionText="Fig. 8. — Variation in floral traits within the Leonardoxa africana complex. Bar = 2 cm in both photos. A, inflorescence axillary on a young twig (vertical object just behind the inflorescence) in L. africana subsp. gracilicaulis (Mbalmayo site); hypanthium white, corolla and filaments of stamens lilac, anthers yellow. B, trunciflorous inflorescences in L. africana subsp. africana (Grand Zambi); hypanthium and corolla pink." figureDoi="http://doi.org/10.5281/zenodo.4605816" httpUri="https://zenodo.org/record/4605816/files/figure.png" pageId="31" pageNumber="102">Fig. 8</figureCitation>
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). Flowers
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<quantity box="[773,900,1248,1275]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" pageId="31" pageNumber="102" unit="cm" value="1.7" valueMax="1.8" valueMin="1.6">1.6-1.8 cm</quantity>
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in diam; pedicels
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<quantity box="[1116,1210,1248,1275]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="31" pageNumber="102" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">2-4 mm</quantity>
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long; calyx white to pale lilac, sepals
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<quantity box="[1088,1209,1278,1305]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="31" pageNumber="102" unit="cm" value="0.65" valueMax="0.8" valueMin="0.5">0.5-0.8 cm</quantity>
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long; petals lilac to violet,
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<quantity box="[964,1063,1309,1336]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="31" pageNumber="102" unit="cm" value="0.8" valueMax="1.0" valueMin="0.6">0.6-1 cm</quantity>
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long. Ovules 4-5. Fruit oblong-obovate, ca.
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<quantity box="[1012,1082,1340,1367]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="31" pageNumber="102" unit="cm" value="10.0">10 cm</quantity>
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long,
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<quantity box="[1154,1209,1340,1367]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="31" pageNumber="102" unit="cm" value="4.0">4 cm</quantity>
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broad.
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</paragraph>
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<paragraph blockId="31.[677,1210,1431,1704]" lastBlockId="32.[114,647,205,1704]" lastPageId="32" lastPageNumber="103" pageId="31" pageNumber="102">
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<taxonomicName authorityName="McKey" authorityYear="2000" box="[703,1134,1431,1459]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="31" pageNumber="102" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="gracilicaulis">
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<emphasis box="[703,922,1431,1459]" italics="true" pageId="31" pageNumber="102">Leonardoxa africana</emphasis>
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subsp.
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<emphasis box="[1010,1134,1433,1459]" italics="true" pageId="31" pageNumber="102">gracilicaulis</emphasis>
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</taxonomicName>
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is distinguished from the three other subspecies of the
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<taxonomicName authorityName="Aubrev. LEONARD" authorityYear="1993" baseAuthorityName="Baill." box="[677,799,1493,1519]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="31" pageNumber="102" phylum="Tracheophyta" rank="species" species="africana">
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<emphasis box="[677,799,1493,1519]" italics="true" pageId="31" pageNumber="102">L. africana</emphasis>
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</taxonomicName>
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complex by the absence of swollen internodes and prostoma (the subspecies
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="31" pageNumber="102" phylum="Tracheophyta" rank="species" species="gracilicaulis">
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<emphasis italics="true" pageId="31" pageNumber="102">gracilicaulis</emphasis>
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</taxonomicName>
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is not a myrmecophyte:
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<figureCitation box="[1031,1121,1555,1581]" captionStart="Fig" captionStartId="27.[113,141,1489,1506]" captionTargetBox="[113,1209,1017,1466]" captionTargetId="figure-282@27.[103,1213,1012,1471]" captionTargetPageId="27" captionText="Fig. 6. — Internodes of the Leonardoxa africana complex, showing variation in specialisations for housing ants. Bar = 2 cm in all photos. A, apex of internode (note point of attachment of the paripinnately compound leaf) of L. africana subsp. gracilicaulis (Mbalmayo site), showing absence of swelling in this non-myrmecophytic subspecies; B, longitudinal section of internode of L. africana subsp. africana (Bombé Bakundu site) showing the strongly swollen ant-domatium, which in this subspecies is a single internode long.— C and D, prostoma of two myrmecophytic subspecies, located in both cases at the apex of the internode opposite the point of leaf insertion; the diagonally cut structure at the top of each photo is the leaf rachis: C, circular prostoma of L. africana subsp. letouzeyi (Rengo Rock site); prostoma of L. africana subsp. rumpiensis (not shown) is roughly similar in size and shape; D, elongate prostoma of L. africana subsp. africana (Bombé Bakundu site). Both are on internodes produced by plants growing in a greenhouse at the University of Miami, on cuttings uninhabited by ants. The structures are not holes, but are scars produced by the spontaneous drying of the unlignified prostoma in mature internodes." figureDoi="http://doi.org/10.5281/zenodo.4605810" httpUri="https://zenodo.org/record/4605810/files/figure.png" pageId="31" pageNumber="102">Fig. 6A</figureCitation>
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). Foliar nectary glands are present, but are smaller than those of the myrmecophytic subspecies (
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<figureCitation box="[1113,1197,1617,1643]" captionStart="Fig" captionStartId="27.[113,142,927,944]" captionTargetBox="[110,1203,596,900]" captionTargetId="figure-211@27.[99,1219,585,921]" captionTargetPageId="27" captionText="Fig. 5. — Foliar nectaries of the Leonardoxa africana complex, all shown at the same scale: A, L. africana subsp. gracilicaulis (Zingui hill site); B, L. africana subsp. rumpiensis (Dikomé Balué site); C, L. africana subsp. africana (Akanga site). Nectaries of L. africana subsp. letouzeyi (not pictured) are similar in size to those of subsp. rumpiensis." figureDoi="http://doi.org/10.5281/zenodo.4605808" httpUri="https://zenodo.org/record/4605808/files/figure.png" pageId="31" pageNumber="102">Fig. 5A</figureCitation>
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). This subspecies also differs from the others in floral characters. Flowers are white and lilac in colour, rather than pink or red, the most frequent colours in the myrmecophytes. Also, inflorescences are usually axillary on small twigs in this subspecies (
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<figureCitation box="[243,331,298,324]" captionStart="Fig" captionStartId="28.[114,142,1115,1132]" captionTargetBox="[114,1210,610,1074]" captionTargetId="figure-375@28.[105,1220,605,1082]" captionTargetPageId="28" captionText="Fig. 8. — Variation in floral traits within the Leonardoxa africana complex. Bar = 2 cm in both photos. A, inflorescence axillary on a young twig (vertical object just behind the inflorescence) in L. africana subsp. gracilicaulis (Mbalmayo site); hypanthium white, corolla and filaments of stamens lilac, anthers yellow. B, trunciflorous inflorescences in L. africana subsp. africana (Grand Zambi); hypanthium and corolla pink." figureDoi="http://doi.org/10.5281/zenodo.4605816" httpUri="https://zenodo.org/record/4605816/files/figure.png" pageId="32" pageNumber="103">Fig. 8A</figureCitation>
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). Cauliflory is very frequent in the myrmecophytes, but in field populations and herbarium specimens studied by us, cauliflory has been recorded in the non-myrmecophytic subspecies only at the summit of Nta Ali (
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<tableCitation box="[121,204,451,477]" captionStart="TABLE" captionStartId="15.[113,124,204,221]" captionText="TABLE 6.—Variation among field populations of the Leonardoxa africana complex in position of inflorescences and in flower colour." pageId="32" pageNumber="103">Table 6</tableCitation>
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), in a population that may be affected by hybridisation with
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<taxonomicName box="[317,600,481,508]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="letouzeyi">
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<emphasis box="[317,430,481,507]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
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subsp.
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<emphasis box="[512,600,482,508]" italics="true" pageId="32" pageNumber="103">letouzeyi</emphasis>
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</taxonomicName>
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(see below). Trees of this subspecies, especially in hilltop (piedmont and lower submontane) habitats where it is most common, reach larger size than is ever attained by any of the myrmecophytes.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="32" pageNumber="103" type="distribution">
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<paragraph blockId="32.[114,647,205,1704]" pageId="32" pageNumber="103">
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DISTRIBUTION. — This subspecies includes all the specimens collected from
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<collectingCountry box="[443,520,666,692]" name="Gabon" pageId="32" pageNumber="103">Gabon</collectingCountry>
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,
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<collectingCountry name="Equatorial Guinea" pageId="32" pageNumber="103">Equatorial Guinea</collectingCountry>
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, and southern
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<collectingCountry box="[349,463,697,723]" name="Cameroon" pageId="32" pageNumber="103">Cameroon</collectingCountry>
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||
from the vicinity of Yaoundé southward and east of the coastal plain (
|
||
<figureCitation box="[121,187,758,784]" captionStart="Fig" captionStartId="26.[114,142,1205,1222]" captionTargetBox="[178,1142,204,1175]" captionTargetId="figure-251@26.[182,1139,215,1168]" captionTargetPageId="26" captionText="Fig. 4. — Geographic distribution of herbarium collections of the Leonardoxa africana complex examined in this study: L. africana subsp. gracilicaulis = Group 1; L. africana subsp. rumpiensis = Group 2; L. africana subsp. letouzeyi = Group 3; L. africana subsp. africana = Group 4." figureDoi="http://doi.org/10.5281/zenodo.4605806" httpUri="https://zenodo.org/record/4605806/files/figure.png" pageId="32" pageNumber="103">Fig. 4</figureCitation>
|
||
). In southern
|
||
<collectingCountry box="[340,457,758,784]" name="Cameroon" pageId="32" pageNumber="103">Cameroon</collectingCountry>
|
||
, this subspecies is characteristically abundant on summits of hills, such as Nkolebengue (
|
||
<bibRefCitation author="THOMAS D. & THOMAS J." box="[352,638,818,845]" pageId="32" pageNumber="103" refId="ref21020" refString="THOMAS D. & THOMAS J. 1993. - Botanical and ecological survey of the Campo-Ma'an area, Cameroon - A report to the World Bank. Corvallis, Oregon." type="book" year="1993">THOMAS & THOMAS 1993</bibRefCitation>
|
||
) and Zingui (this study). Near Yaoundé,
|
||
<taxonomicName authorityName="McKey" authorityYear="2000" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="gracilicaulis">
|
||
<emphasis box="[534,646,849,875]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
subsp.
|
||
<emphasis box="[186,306,881,907]" italics="true" pageId="32" pageNumber="103">gracilicaulis</emphasis>
|
||
</taxonomicName>
|
||
is one of the most frequent trees in submontane forest from
|
||
<quantity box="[437,536,910,937]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="32" pageNumber="103" unit="m" value="1000.0">1,000 m</quantity>
|
||
elevation upwards (
|
||
<bibRefCitation author="ACHOUNDONG G." box="[219,449,942,968]" pageId="32" pageNumber="103" refId="ref19561" refString="ACHOUNDONG G. 1985. - Etude ecologique et floristique de la vegetation des collines de Yaounde au-dessus de 1000 m. These, Univ. Yaounde." type="book" year="1985">ACHOUNDONG 1985</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="ACHOUNDONG G." box="[462,522,942,968]" pageId="32" pageNumber="103" pagination="37 - 52" refId="ref19614" refString="ACHOUNDONG G. 1996. - Les forets sommitales au Cameroun: vegetation et flore des collines de Yaounde. Bois et Forets des Tropiques 247: 37 - 52." type="journal article" year="1996">1996</bibRefCitation>
|
||
). The nonmyrmecophytic
|
||
<taxonomicName authorityName="Aubrev. LEONARD" authorityYear="1993" baseAuthorityName="Baill." box="[289,403,971,997]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="species" species="africana">
|
||
<emphasis box="[289,403,971,997]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
</taxonomicName>
|
||
abundant in forest on the summit of Nta Ali (
|
||
<bibRefCitation author="ACHOUNDONG G." box="[372,599,1003,1029]" pageId="32" pageNumber="103" pagination="51 - 63" refId="ref19589" refString="ACHOUNDONG G. 1995. - Les formations submontagnardes du Nta-Ali au Cameroun. Bois et Forets des Tropiques 243: 51 - 63." type="journal article" year="1995">ACHOUNDONG 1995</bibRefCitation>
|
||
) are also tentatively ascribed to this subspecies.This subspecies is much less frequent in lowland forests, where it is highly localised along streams and patchily distributed. (Within its range, lowland habitats are less constantly humid than hilltop and submontane habitats.) In the coastal plain, where the highly specialised myrmecophyte
|
||
<taxonomicName authority="subsp. africana" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="africana">
|
||
<emphasis box="[529,646,1217,1243]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
subsp.
|
||
<emphasis box="[206,300,1247,1273]" italics="true" pageId="32" pageNumber="103">africana</emphasis>
|
||
</taxonomicName>
|
||
predominates (see below),
|
||
<taxonomicName authorityName="McKey" authorityYear="2000" box="[114,437,1278,1305]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="gracilicaulis">
|
||
<emphasis box="[114,230,1278,1304]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
subsp.
|
||
<emphasis box="[317,437,1279,1305]" italics="true" pageId="32" pageNumber="103">gracilicaulis</emphasis>
|
||
</taxonomicName>
|
||
has been collected from two inselbergs (Colline Ngwon,
|
||
<quantity box="[523,593,1310,1336]" metricMagnitude="4" metricUnit="m" metricValue="3.8" pageId="32" pageNumber="103" unit="km" value="38.0">38 km</quantity>
|
||
E of Kribi:
|
||
<emphasis box="[187,340,1339,1365]" italics="true" pageId="32" pageNumber="103">Letouzey 9371</emphasis>
|
||
; Nkoltsia,
|
||
<quantity box="[466,539,1341,1367]" metricMagnitude="4" metricUnit="m" metricValue="3.5" pageId="32" pageNumber="103" unit="km" value="35.0">35 km</quantity>
|
||
from the coast,
|
||
<emphasis box="[178,296,1370,1397]" italics="true" pageId="32" pageNumber="103">Villiers 807</emphasis>
|
||
). Near the latter site, it also occurs in lowland forest, near the village Nkoloboundé along the stream Bounde, where it occurs together, interspersed in the same forests, with the specialised myrmecophyte
|
||
<taxonomicName authority="subsp. africana" box="[281,560,1493,1520]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="africana">
|
||
<emphasis box="[281,395,1493,1519]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
subsp.
|
||
<emphasis box="[476,560,1493,1519]" italics="true" pageId="32" pageNumber="103">africana</emphasis>
|
||
</taxonomicName>
|
||
. This is so far the only site where the two are known to cooccur.In forest along two other streams nearby,only
|
||
<taxonomicName authority="subsp. africana" box="[114,400,1585,1612]" class="Magnoliopsida" family="Fabaceae" genus="Leonardoxa" kingdom="Plantae" order="Fabales" pageId="32" pageNumber="103" phylum="Tracheophyta" rank="subSpecies" species="africana" subSpecies="africana">
|
||
<emphasis box="[114,230,1585,1611]" italics="true" pageId="32" pageNumber="103">L. africana</emphasis>
|
||
subsp.
|
||
<emphasis box="[316,400,1585,1611]" italics="true" pageId="32" pageNumber="103">africana</emphasis>
|
||
</taxonomicName>
|
||
was present. The two subspecies may co-occur elsewhere, though. The collection
|
||
<emphasis box="[226,344,1646,1672]" italics="true" pageId="32" pageNumber="103">Mpom 303</emphasis>
|
||
, from
|
||
<quantity box="[420,491,1647,1673]" metricMagnitude="4" metricUnit="m" metricValue="1.4" pageId="32" pageNumber="103" unit="km" value="14.0">14 km</quantity>
|
||
SE of Douala on the old Douala-Edea road, includes sheets of
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |