treatments-xml/data/5A/71/DA/5A71DA66C304E837DAC7B4817E25A873.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.50.4427" ID-PMC="PMC4489079" ID-Pensoft-Pub="1314-2003-50-1" ID-Pensoft-UUID="FFB9FFA87545AE66FFAFFFD0FFD5FFD3" ID-PubMed="26140015" ID-Zenodo-Dep="576256" ModsDocID="1314-2003-50-1" checkinTime="1451251531819" checkinUser="pensoft" docAuthor="Tagane, Shuichiro, Dang, Van Son, Yahara, Tetsukazu, Toyama, Hironori &amp; Tran, Hop" docDate="2015" docId="5A71DA66C304E837DAC7B4817E25A873" docLanguage="en" docName="PhytoKeys 50: 1-8" docOrigin="PhytoKeys 50" docPubDate="2015-05-13" docSource="http://dx.doi.org/10.3897/phytokeys.50.4427" docTitle="Goniothalamus flagellistylus Tagane &amp; V. S. Dang 2015, sp. nov." docType="treatment" docVersion="6" id="FFB9FFA87545AE66FFAFFFD0FFD5FFD3" lastPageNumber="4" masterDocId="FFB9FFA87545AE66FFAFFFD0FFD5FFD3" masterDocTitle="Goniothalamus flagellistylus Tagane &amp; V. S. Dang (Annonaceae), a new species from Mt. Hon Ba, Vietnam" masterLastPageNumber="8" masterPageNumber="1" pageNumber="3" updateTime="1668141363906" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Goniothalamus flagellistylus Tagane &amp; V. S. Dang (Annonaceae), a new species from Mt. Hon Ba, Vietnam</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tagane, Shuichiro</mods:namePart>
<mods:affiliation>Center for Asian Conservation Ecology, Kyushu University, 6 - 10 - 1 Hakozaki, Fukuoka, 812 - 8581, Japan</mods:affiliation>
<mods:nameIdentifier type="email">stagane29@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Dang, Van Son</mods:namePart>
<mods:affiliation>The VNM Herbarium, Institute of Tropical Biology, VAST, 85 Tran Quoc Toan Street, District 3, Ho Chi Minh City, Viet Nam</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yahara, Tetsukazu</mods:namePart>
<mods:affiliation>Center for Asian Conservation Ecology, Kyushu University, 6 - 10 - 1 Hakozaki, Fukuoka, 812 - 8581, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Toyama, Hironori</mods:namePart>
<mods:affiliation>Center for Asian Conservation Ecology, Kyushu University, 6 - 10 - 1 Hakozaki, Fukuoka, 812 - 8581, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tran, Hop</mods:namePart>
<mods:affiliation>University of Science Ho Chi Minh City, 227 Nguyen Van Cu Street, District 5, Ho Chi Minh City, Viet Nam</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2015</mods:date>
<mods:detail type="pubDate">
<mods:number>2015-05-13</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>50</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>8</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.50.4427</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.50.4427</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-50-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">FFB9FFA87545AE66FFAFFFD0FFD5FFD3</mods:identifier>
<mods:identifier type="Zenodo-Dep">576256</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152025807" LSID="urn:lsid:plazi:treatment:5A71DA66C304E837DAC7B4817E25A873" httpUri="http://treatment.plazi.org/id/5A71DA66C304E837DAC7B4817E25A873" lastPageId="4" lastPageNumber="4" pageId="2" pageNumber="3">
<subSubSection pageId="2" pageNumber="3" type="nomenclature">
<paragraph pageId="2" pageNumber="3">
<taxonomicName LSID="5A71DA66-C304-E837-DAC7-B4817E25A873" authority="Tagane &amp; V. S. Dang" authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="flagellistylus" status="sp. nov.">Goniothalamus flagellistylus Tagane &amp; V. S. Dang</taxonomicName>
<taxonomicNameLabel pageId="2" pageNumber="3">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Goniothalamus flagellistylus sp. nov. (a) Leafy branch, (b) portion of abaxial leaf surface, (c) flowers on main trunk, (d) vertical section of flowers, (e) apertures between inner petals, (f-g) mature fruit on older blanch, (h) holotype, (i) pedicel and sepals on old branch, (j) adaxial side of inner petal, (k) stamen, (l) carpel. (h-l) From Tagane et al. 1497. Scale bars (i, j) = 1 cm, (k, l) = 1 mm." figureDoi="10.3897/phytokeys.50.4427.figure1" httpUri="https://binary.pensoft.net/fig/43629" pageId="2" pageNumber="3">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Line drawing of Goniothalamus flagellistylus sp. nov. (a) leafy twig, (b) flower on main trunk, (c) outer petal (adaxial), (d) inner petals (ad- and abaxial), (e) Stamens, (f) Carpel. Materials from Tagane et al. V 1497." figureDoi="10.3897/phytokeys.50.4427.figure2" httpUri="https://binary.pensoft.net/fig/43630" pageId="2" pageNumber="3">, 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="3" type="diagnosis">
<paragraph pageId="2" pageNumber="3">Diagnosis.</paragraph>
<paragraph pageId="2" pageNumber="3">
Similar to 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="2" pageNumber="3">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
M.R.Hend., but differing from that species in having 308-336 stamens (vs. ca. 170-260) and ca.120 carpels (vs. ca. 50-100) per flower, and stigmas and pseudostyles ca.8.5 mm (vs. 4-4.5 mm) long.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="3" type="type">
<paragraph pageId="2" pageNumber="3">Type.</paragraph>
<paragraph pageId="2" pageNumber="3">
Vietnam, Khanh Hoa Province, Hon Ba Nature Reserve, in evergreen forest near stream, 
<geoCoordinate degrees="12" direction="north" minutes="06.51" orientation="latitude" precision="9" value="12.1085">12°06.51'N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="59.23" orientation="longitude" precision="9" value="108.98717">108°59.23'E</geoCoordinate>
, alt. 400 m, 
<emphasis italics="true" pageId="2" pageNumber="3">Tagane S., Kanemitsu H., Dang V.S., Tran H. with Hanh N., Loi X.N., Thach N.D., Dinh N., Hieu P.N.H. V1497</emphasis>
, 12 July 2014, Fl., holotype: KYO!; isotypes: BKF!, FU!, K!, VNM!, the herbarium of Hon Ba Nature Reserve!).
</paragraph>
</subSubSection>
<subSubSection lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="description">
<paragraph pageId="2" pageNumber="3">Description.</paragraph>
<paragraph lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
Small trees, 11 m tall, DBH 8 cm. Young twigs sparsely covered with brown hairs, soon glabrous, blackish when dry. Petioles 1-1.2(-1.5) cm long, 2.5-3.5 mm in diam., glabrous, black when dry. Leaf blades narrowly oblong-elliptic, 31-45 
<normalizedToken originalValue="×">x</normalizedToken>
8.2-11.5 cm, length/width ratio 2.7-4.0, 185-225 
<normalizedToken originalValue="µm">µm</normalizedToken>
thick, base acute to obtuse, margin entire, revolute when dry, apex acuminate, acumen ca. 1.5 cm long, leathery, slightly shiny above, glabrous on both surfaces; midribs impressed above, prominent below, glabrous on both surfaces, secondary veins 16-20 pairs, arising at an angle of 60-70 degrees from a midrib, prominent on both surface when dry, glabrous on both surfaces, tertiary veins distinct above, slightly distinct below. Flowers solitary, arising from main trunks and older branches, pendent; pedicels 19-25 mm long, 1.5-2.5 mm in diam., glabrous; bracts 3-4, very broadly triangular to hemiorbicular, ca. 1.6 mm long, brownish pubescent outside, glabrous inside, margin sometimes ciliate. Sepals ovate-triangular, 2.2-2.8 
<normalizedToken originalValue="×">x</normalizedToken>
2.2-2.8 cm in flower, accrescent, increasing to 3.3 
<normalizedToken originalValue="×">x</normalizedToken>
3.8 cm in fruit, 200-210 
<normalizedToken originalValue="µm">µm</normalizedToken>
thick, basally connate, greenish in vivo, glabrous outside, sparsely covered with brown hairs inside, veins reticulated, distinct outside, indistinct inside. Outer petals oblong-ovate to narrowly ovate, 6-9. 2 
<normalizedToken originalValue="×">x</normalizedToken>
2.2-3.1 cm, length/width ratio 2.7-3.4, 380-450 
<normalizedToken originalValue="µm">µm</normalizedToken>
thick, greenish, glabrescent outside, sparsely covered with short brown hairs inside, except at base velutinous, veins faintly visible outside, indistinct inside. Inner petals rhombic, 1.6 
<normalizedToken originalValue="×">x</normalizedToken>
0.7 cm, length/width ratio ca. 1.9, 1100-2100 
<normalizedToken originalValue="µm">µm</normalizedToken>
thick, greenish, pubescent outside, velutinous inside with 12-14 basal grooves. Stamens 308-336 per flower, flattened-oblong, 3.8-4.8 
<normalizedToken originalValue="×">x</normalizedToken>
0.6 mm, glabrous; connectives long-apiculate, 1.2-1.5 mm long, apiculate length 0.5-0.9 mm long, densely covered with cream-white hairs. Carpels ca. 120 per flower; ovary 1.4-1.7 
<normalizedToken originalValue="×">x</normalizedToken>
ca. 0.3 mm, densely covered with golden-brown hairs; stigmas and pseudostyles flagellate, ca.8.5 mm long, L-shaped curved in the middle, yellowish in vivo, blackish when dry, glabrous, tip awl-shaped. Fruits with persistent calyx, fruiting pedicels 2.7 cm long, 3-4.5 mm in diam. Monocarps 22, ellipsoid, 1.6-1.7 cm long, ca. 1.0 cm in diam., base attenuate, apex apiculate, glabrous, reddish-brown, pericarp ca. 0.5 mm thick when dry; stipes 0.6-1.2 mm long, ca. 2 mm in diam., glabrous. Seeds one per 
<pageBreakToken pageId="3" pageNumber="4" start="start">monocarp</pageBreakToken>
, 1.5 cm long, 0.8-1.0 cm in diam., yellowish brown, glabrous, seeds with copious surrounding mucilage.
</paragraph>
<caption ID-Zenodo-Dep="961037" doi="10.3897/phytokeys.50.4427.figure1" httpUri="https://binary.pensoft.net/fig/43629" pageId="3" pageNumber="4" start="Figure 1" startId="F1">
<paragraph pageId="3" pageNumber="4">
<emphasis bold="true" pageId="3" pageNumber="4">Figure 1.</emphasis>
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
sp. nov. (
<emphasis bold="true" pageId="3" pageNumber="4">a</emphasis>
) Leafy branch, (
<emphasis bold="true" pageId="3" pageNumber="4">b</emphasis>
) portion of abaxial leaf surface, (
<emphasis bold="true" pageId="3" pageNumber="4">c</emphasis>
) flowers on main trunk, (
<emphasis bold="true" pageId="3" pageNumber="4">d</emphasis>
) vertical section of flowers, (
<emphasis bold="true" pageId="3" pageNumber="4">e</emphasis>
) apertures between inner petals, (
<emphasis bold="true" pageId="3" pageNumber="4">f-g</emphasis>
) mature fruit on older blanch, (
<emphasis bold="true" pageId="3" pageNumber="4">h</emphasis>
) holotype, (
<emphasis bold="true" pageId="3" pageNumber="4">i</emphasis>
) pedicel and sepals on old branch, (
<emphasis bold="true" pageId="3" pageNumber="4">j</emphasis>
) adaxial side of inner petal, (
<emphasis bold="true" pageId="3" pageNumber="4">k</emphasis>
) stamen, (
<emphasis bold="true" pageId="3" pageNumber="4">l</emphasis>
) carpel. (
<emphasis bold="true" pageId="3" pageNumber="4">h-l</emphasis>
) From 
<emphasis italics="true" pageId="3" pageNumber="4">Tagane et al. 1497</emphasis>
. Scale bars (
<emphasis bold="true" pageId="3" pageNumber="4">i</emphasis>
, 
<emphasis bold="true" pageId="3" pageNumber="4">j</emphasis>
) = 1 cm, (
<emphasis bold="true" pageId="3" pageNumber="4">k, l</emphasis>
) = 1 mm.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="961039" doi="10.3897/phytokeys.50.4427.figure2" httpUri="https://binary.pensoft.net/fig/43630" pageId="3" pageNumber="4" start="Figure 2" startId="F2">
<paragraph pageId="3" pageNumber="4">
<emphasis bold="true" pageId="3" pageNumber="4">Figure 2.</emphasis>
Line drawing of 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
sp. nov. (
<emphasis bold="true" pageId="3" pageNumber="4">a</emphasis>
) leafy twig, (
<emphasis bold="true" pageId="3" pageNumber="4">b</emphasis>
) flower on main trunk, (
<emphasis bold="true" pageId="3" pageNumber="4">c</emphasis>
) outer petal (adaxial), (
<emphasis bold="true" pageId="3" pageNumber="4">d</emphasis>
) inner petals (ad- and abaxial), (
<emphasis bold="true" pageId="3" pageNumber="4">e</emphasis>
) Stamens, (
<emphasis bold="true" pageId="3" pageNumber="4">f</emphasis>
) Carpel. Materials from 
<emphasis italics="true" pageId="3" pageNumber="4">Tagane et al. V1497</emphasis>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="phenology">
<paragraph pageId="3" pageNumber="4">Phenology.</paragraph>
<paragraph pageId="3" pageNumber="4">Mature flowers and fruits were collected in July and November, respectively.</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="distribution and habitat">
<paragraph pageId="3" pageNumber="4">Distribution and habitat.</paragraph>
<paragraph pageId="3" pageNumber="4">
This species is known only from Mt. Hon Ba, Khanh Hoa Province, South Vietnam. The small population was found on a slope in broad-leaved evergreen forest, ca. 100 m apart from a rapid river, where 
<taxonomicName authorityName="Jack" authorityYear="1822" class="Dicotyledoneae" family="Erythroxylaceae" genus="Ixonanthes" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Ixonanthes reticulata" order="Geraniales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="reticulata">
<emphasis italics="true" pageId="3" pageNumber="4">Ixonanthes reticulata</emphasis>
</taxonomicName>
Jack, 
<taxonomicName class="Dicotyledoneae" family="Sapotaceae" genus="Palaquium" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Palaquium" order="Ebenales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="4">Palaquium</emphasis>
</taxonomicName>
sp., 
<taxonomicName authorityName="Planch" authorityYear="1848" class="Dicotyledoneae" family="Ulmaceae" genus="Gironniera" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Gironniera subaequalis" order="Urticales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="subaequalis">
<emphasis italics="true" pageId="3" pageNumber="4">Gironniera subaequalis</emphasis>
</taxonomicName>
Planch., 
<taxonomicName class="Dicotyledoneae" family="Fabaceae" genus="Archidendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Archidendron chevalieri" order="Rosales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="chevalieri">
<emphasis italics="true" pageId="3" pageNumber="4">Archidendron chevalieri</emphasis>
</taxonomicName>
(Kosterm.) I.C.Nielsen, 
<taxonomicName class="Dicotyledoneae" family="Lecythidaceae" genus="Barringtonia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Barringtonia augusta" order="Myrtiflorae" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="augusta">
<emphasis italics="true" pageId="3" pageNumber="4">Barringtonia augusta</emphasis>
</taxonomicName>
Kurz, 
<taxonomicName class="Dicotyledoneae" family="Lecythidaceae" genus="Barringtonia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Barringtonia macrostachya" order="Myrtiflorae" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="macrostachya">
<emphasis italics="true" pageId="3" pageNumber="4">Barringtonia macrostachya</emphasis>
</taxonomicName>
(Jack) Kurz, 
<taxonomicName authorityName="Sealy" authorityYear="1949" baseAuthorityName="Gagnep." class="Dicotyledoneae" family="Theaceae" genus="Camellia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Camellia krempfii" order="Guttiferales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="krempfii">
<emphasis italics="true" pageId="3" pageNumber="4">Camellia krempfii</emphasis>
</taxonomicName>
(Gagn.) Sealy, 
<taxonomicName authorityName="Corner" authorityYear="1962" baseAuthorityName="Bur." class="Dicotyledoneae" family="Moraceae" genus="Streblus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Streblus indicus" order="Urticales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="indicus">
<emphasis italics="true" pageId="3" pageNumber="4">Streblus indicus</emphasis>
</taxonomicName>
(Bureau) Corner, 
<taxonomicName class="Dicotyledoneae" family="Sapindaceae" genus="Xerospermum" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Xerospermum noronhianum" order="Sapindales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="noronhianum">
<emphasis italics="true" pageId="3" pageNumber="4">Xerospermum noronhianum</emphasis>
</taxonomicName>
Blume and 
<taxonomicName authorityName="Gagnep" authorityYear="1938" class="Monocotyledoneae" family="Pandanaceae" genus="Pandanus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pandanus fibrosus" order="Pandanales" pageId="3" pageNumber="4" phylum="Angiospermae" rank="species" species="fibrosus">
<emphasis italics="true" pageId="3" pageNumber="4">Pandanus fibrosus</emphasis>
</taxonomicName>
Gagnep. are dominated.
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="other specimen examined">
<paragraph pageId="3" pageNumber="4">Other specimen examined.</paragraph>
<paragraph pageId="3" pageNumber="4">
Vietnam, Khanh Hoa Province, Hon Ba Nature Reserve, in evergreen forest near stream, 
<geoCoordinate degrees="12" direction="north" minutes="06.51" orientation="latitude" precision="9" value="12.1085">12°06.51'N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="59.23" orientation="longitude" precision="9" value="108.98717">108°59.23'E</geoCoordinate>
, alt. 400 m, 
<emphasis italics="true" pageId="3" pageNumber="4">Toyama H., Tagane S., Dang V.S., Nagamasu H., Naiki A., Tran H., Yang C.J. with Cuong N.Q., Hieu H.N.P. V1972</emphasis>
, 22 November 2014, Fr. (FU!, KYO!, NTU!, VNM!, the herbarium of Hon Ba Nature Reserve!).
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="etymology">
<paragraph pageId="3" pageNumber="4">Etymology.</paragraph>
<paragraph pageId="3" pageNumber="4">The specific epithet is in reference to its flexuous styles which is too long to insert straight in the pollination chamber that formed by the inner petals.</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="genebank accession no">
<paragraph pageId="3" pageNumber="4">GeneBank accession No.</paragraph>
<paragraph pageId="3" pageNumber="4">
<emphasis italics="true" pageId="3" pageNumber="4">Tagane et al. V1497</emphasis>
: LC010815 (
<emphasis italics="true" pageId="3" pageNumber="4">rbcL</emphasis>
), LC010816 (
<emphasis italics="true" pageId="3" pageNumber="4">matK</emphasis>
).
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="4" type="similar species">
<paragraph pageId="3" pageNumber="4">Similar species.</paragraph>
<paragraph pageId="3" pageNumber="4">
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
is morphologically similar to 
<taxonomicName authorityName="Craib" authorityYear="1922" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus calvicarpus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="calvicarpus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus calvicarpus</emphasis>
</taxonomicName>
Craib, 
<taxonomicName authorityName="Hooker f. &amp; Thomson" authorityYear="1855" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus griffithii" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="griffithii">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus griffithii</emphasis>
</taxonomicName>
Hook.f. &amp; Thomson, and 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
, all of which form a monophyletic group (
<bibRefCitation author="Nakkuntod, M" journalOrPublisher="Taxon" pageId="5" pageNumber="6" pagination="127 - 132" refId="B11" refString="Nakkuntod, M, Su, YC, Seelanan, T, Saunders, RMK, 2009. Molecular phylogenetic and morphological evidence for the congeneric status of Goniothalamus and Richella (Annonaceae). Taxon 58 (1): 127 - 132" title="Molecular phylogenetic and morphological evidence for the congeneric status of Goniothalamus and Richella (Annonaceae)." volume="58" year="2009">Nakkuntod et al. 2009</bibRefCitation>
) and are characterized by relatively large sepals with distinct veins and stamens with long apiculate connectives (
<bibRefCitation author="Saunders, RMK" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="5" pageNumber="6" pagination="355 - 384" publicationUrl="10.1111/j.1095-8339.2007.00762.x" refId="B14" refString="Saunders, RMK, Chalermglin, P, 2008. A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species. Botanical Journal of the Linnean Society 156 (3): 355 - 384, DOI: 10.1111/j.1095-8339.2007.00762.x" title="A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species." url="10.1111/j.1095-8339.2007.00762.x" volume="156" year="2008">Saunders and Chalermglin 2008</bibRefCitation>
). Among the three species, 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
is most similar to 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
, which is distributed in the Malay Peninsula, in having more than 200 stamens and more than 50 carpels. In fact, The BLAST similarity search based on the 
<emphasis italics="true" pageId="3" pageNumber="4">matK</emphasis>
sequence of 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
resulted in homology as high as 734/736 bp with the sequence of 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
(GeneBank accession no. EU715081) in the DNA database. However, as described in the diagnosis above, the two species can be easily distinguished by the number of stamens and carpels per flower, and style length (Table 
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological comparison between Goniothalamus flagellistylus sp. nov. and Goniothalamus tortilipetalus (modified from Henderson 1933; Saunders 2003; Saunders and Chalermglin 2008)." httpUri="http://table.plazi.org/id/3B8CB6615ABE3347CEE8EDC0578264F9" pageId="3" pageNumber="4" tableUuid="3B8CB6615ABE3347CEE8EDC0578264F9">1</tableCitation>
). Also, 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
is different from 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
in that flowers arise not only from the main trunk but also from the older branches as in 
<taxonomicName authorityName="Craib" authorityYear="1922" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus calvicarpus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="calvicarpus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus calvicarpus</emphasis>
</taxonomicName>
and 
<taxonomicName authorityName="Hooker f. &amp; Thomson" authorityYear="1855" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus griffithii" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="griffithii">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus griffithii</emphasis>
</taxonomicName>
(
<bibRefCitation author="Saunders, RMK" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="5" pageNumber="6" pagination="355 - 384" publicationUrl="10.1111/j.1095-8339.2007.00762.x" refId="B14" refString="Saunders, RMK, Chalermglin, P, 2008. A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species. Botanical Journal of the Linnean Society 156 (3): 355 - 384, DOI: 10.1111/j.1095-8339.2007.00762.x" title="A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species." url="10.1111/j.1095-8339.2007.00762.x" volume="156" year="2008">Saunders and Chalermglin 2008</bibRefCitation>
).
</paragraph>
<caption ID-Table-UUID="3B8CB6615ABE3347CEE8EDC0578264F9" httpUri="http://table.plazi.org/id/3B8CB6615ABE3347CEE8EDC0578264F9" pageId="3" pageNumber="4" start="Table 1" startId="T1">
<paragraph pageId="3" pageNumber="4">
<emphasis bold="true" pageId="3" pageNumber="4">Table 1.</emphasis>
Morphological comparison between 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
sp. nov. and 
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
(modified from Henderson 1933; 
<bibRefCitation author="Saunders, RMK" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="5" pageNumber="6" pagination="321 - 339" publicationUrl="10.1046/j.1095-8339.2003.00177.x" refId="B13" refString="Saunders, RMK, 2003. A synopsis of Goniothalamus species (Annonaceae) in Peninsular Malaysia, with a description of a new species. Botanical Journal of the Linnean Society 142 (3): 321 - 339, DOI: 10.1046/j.1095-8339.2003.00177.x" title="A synopsis of Goniothalamus species (Annonaceae) in Peninsular Malaysia, with a description of a new species." url="10.1046/j.1095-8339.2003.00177.x" volume="142" year="2003">Saunders 2003</bibRefCitation>
; 
<bibRefCitation author="Saunders, RMK" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="5" pageNumber="6" pagination="355 - 384" publicationUrl="10.1111/j.1095-8339.2007.00762.x" refId="B14" refString="Saunders, RMK, Chalermglin, P, 2008. A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species. Botanical Journal of the Linnean Society 156 (3): 355 - 384, DOI: 10.1111/j.1095-8339.2007.00762.x" title="A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species." url="10.1111/j.1095-8339.2007.00762.x" volume="156" year="2008">Saunders and Chalermglin 2008</bibRefCitation>
).
</paragraph>
</caption>
<paragraph pageId="3" pageNumber="4">
<table pageId="3" pageNumber="4">
<tr pageId="3" pageNumber="4">
<th colspan="1" pageId="3" pageNumber="4" rowspan="1">Characters</th>
<th colspan="1" pageId="3" pageNumber="4" rowspan="1">
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="3" pageNumber="4" rowspan="1">
<taxonomicName authorityName="M. R. Henderson" authorityYear="1933" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus tortilipetalus" order="Magnoliales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="tortilipetalus">
<emphasis italics="true" pageId="3" pageNumber="4">Goniothalamus tortilipetalus</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Flowers position</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">On main trunk and older branches</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">On main trunk only</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Pedicel length</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">19-25 mm</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">20-37 mm</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Sepals in flowering</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">22-28 by 22-28 mm</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">19-31 by 15-26 mm</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Outer petals</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">60-92 by 22-31 mm</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">35-100 by 10-25 mm</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Inner petal length/width ratio</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">1.9</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">2.2-3.1</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Stamen number per flower</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">308-336</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">~170-260</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Carpel number per flower</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">120</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">~50-100</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Stigmas and pseudostyles</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">ca. 8.5 mm long</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">4-4.5 mm long</td>
</tr>
<tr pageId="3" pageNumber="4">
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">Ovary indument</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">densely hairy</td>
<td colspan="1" pageId="3" pageNumber="4" rowspan="1">(Very) densely hairy</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="conservation status">
<paragraph pageId="3" pageNumber="4">Conservation status.</paragraph>
<paragraph lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
Data deficient. 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="4" pageNumber="5" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="4" pageNumber="5">
<pageBreakToken pageId="4" pageNumber="5" start="start">Goniothalamus</pageBreakToken>
flagellistylus
</emphasis>
</taxonomicName>
is known from a single population, including only six individuals: only one produces flowers/fruits while the others are just saplings. This situation satisfies the CR (critically endangered) status in criterion D of IUCN Red List Categories (
<bibRefCitation author="IUCN" journalOrPublisher="Cay Co Viet Nam: An Illustrated Flora of Vietnam" pageId="5" pageNumber="6" publicationUrl="http://www.iucnredlist.org" refId="B6" refString="IUCN, 2014. The IUCN Red List of Threatened Species. Version 2014.3., http://www.iucnredlist.org [accessed 30.01.2015]" title="The IUCN Red List of Threatened Species. Version 2014.3" url="http://www.iucnredlist.org" year="2014">IUCN 2014</bibRefCitation>
). However, more individuals could be found if neighboring areas are more thoroughly surveyed. Thus, we regard the conservation status as DD. In Mt. Hon Ba, large areas of primary evergreen forest below 300-400 m elevation had been cleared or selectively logged before the Hon Ba Nature Reserve established, and it is likely that some habitats of this species were lost. The forest habitat where we found 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="4" pageNumber="5" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="4" pageNumber="5">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
remains less disturbed under a lower level of logging activities probably because of its landform of the steep slope near the rapid river. The forest in this Nature Reserve is currently protected well from anthropogenic activities, and recovering better and better. The current data available are not enough for a risk evaluation, we therefore need special attention to the individuals/populations of 
<taxonomicName authorityName="Tagane &amp; V. S. Dang" authorityYear="2015" class="Magnoliopsida" family="Annonaceae" genus="Goniothalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Goniothalamus flagellistylus" order="Magnoliales" pageId="4" pageNumber="5" phylum="Tracheophyta" rank="species" species="flagellistylus">
<emphasis italics="true" pageId="4" pageNumber="5">Goniothalamus flagellistylus</emphasis>
</taxonomicName>
and its distribution.
</paragraph>
</subSubSection>
</treatment>
</document>