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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.220.99556" ID-GBIF-Dataset="8cb08f1e-6e25-4210-9822-fe3b83d3907c" ID-Pensoft-Pub="1314-2003-220-75" ID-Pensoft-UUID="4CF6F1545A3E5880BA4959428C7D0F09" ModsDocID="1314-2003-220-75" checkinTime="1677278854835" checkinUser="pensoft" docAuthor="Yan, Hai-Fei, Li, Jia-Xiang, Liu, Tong-Jian &amp; Hao, Gang" docDate="2023" docId="97C37148213C5359A0FC80BD4F3E4081" docLanguage="en" docName="PhytoKeys 220: 75-82" docOrigin="PhytoKeys 220" docPubDate="2023-02-24" docSource="http://dx.doi.org/10.3897/phytokeys.220.99556" docTitle="Lysimachia fenghwaiana G. Hao &amp; H. F. Yan 2023, sp. nov." docType="treatment" docVersion="3" id="4CF6F1545A3E5880BA4959428C7D0F09" lastPageNumber="75" masterDocId="4CF6F1545A3E5880BA4959428C7D0F09" masterDocTitle="Lysimachia fenghwaiana (Primulaceae), a new species from Hunan Province, China" masterLastPageNumber="82" masterPageNumber="75" pageNumber="75" updateTime="1677279465603" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Lysimachia fenghwaiana (Primulaceae), a new species from Hunan Province, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yan, Hai-Fei</mods:namePart>
<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China &amp; South China National Botanical Garden, Guangzhou 510650, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Jia-Xiang</mods:namePart>
<mods:affiliation>College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu, Tong-Jian</mods:namePart>
<mods:affiliation>Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China &amp; South China National Botanical Garden, Guangzhou 510650, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Hao, Gang</mods:namePart>
<mods:affiliation>College of Life Sciences, South China Agricultural University, Guangzhou 510642, Guangdong, China</mods:affiliation>
<mods:nameIdentifier type="email">haogang@scau.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-02-24</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>220</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>75</mods:start>
<mods:end>82</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.220.99556</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.220.99556</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-220-75</mods:identifier>
<mods:identifier type="Pensoft-UUID">4CF6F1545A3E5880BA4959428C7D0F09</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:97C37148213C5359A0FC80BD4F3E4081" httpUri="http://treatment.plazi.org/id/97C37148213C5359A0FC80BD4F3E4081" lastPageNumber="75" pageId="0" pageNumber="75">
<subSubSection pageId="0" pageNumber="75" type="nomenclature">
<paragraph pageId="0" pageNumber="75">
<taxonomicName LSID="97C37148-213C-5359-A0FC-80BD4F3E4081" authority="G. Hao &amp; H. F. Yan" authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana" status="sp. nov.">Lysimachia fenghwaiana G.Hao &amp; H.F.Yan</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="75">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="description">
<paragraph pageId="0" pageNumber="75">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Holotype of Lysimachia fenghwaiana G. Hao &amp; H. F. Yan, sp. nov. (Hai-Fei Yan and Chun-Lai Zhang Yan 2022050, IBSC barcode IBSC 0895001)." figureDoi="10.3897/phytokeys.220.99556.figure1" httpUri="https://binary.pensoft.net/fig/815603" pageId="0" pageNumber="75">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Lysimachia fenghwaiana G. Hao &amp; H. F. Yan, sp. nov. A habit B abaxial surface of leaf C flower D calyx-lobe showing crest ridge E dissected corolla F stamens G pistil. Drawn by Yun-Xiao Liu from the holotype." figureDoi="10.3897/phytokeys.220.99556.figure2" httpUri="https://binary.pensoft.net/fig/815604" pageId="0" pageNumber="75">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Living plant of Lysimachia fenghwaiana G. Hao &amp; H. F. Yan, sp. nov. A habitat B, C habit D, E flowering plant F fruiting plant G leaves on abaxial (left) and adaxial (right) surfaces H flower (lateral view) I stamens and pistil (partial). Photographed by Jia-Xiang Li and Hai-Fei Yan." figureDoi="10.3897/phytokeys.220.99556.figure3" httpUri="https://binary.pensoft.net/fig/815605" pageId="0" pageNumber="75">, 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="materials_examined">
<paragraph pageId="0" pageNumber="75">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="75">
<materialsCitation collectingDate="2022-05-22" country="China" county="Pingjiang County" elevation="421" latitude="28.533333" location="Lutou Forest Farm" longLatPrecision="1232" longitude="113.916664" municipality="Yueyang City" specimenCount="1" stateProvince="Hunan Province" typeStatus="holotype">
<collectingCountry name="China">China</collectingCountry>
.
<collectingRegion country="China" name="Hunan">Hunan Province</collectingRegion>
,
<collectingMunicipality>Yueyang City</collectingMunicipality>
,
<collectingCounty>Pingjiang County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:97C37148213C5359A0FC80BD4F3E4081:553A333E1F2288C1529C3E61A3C6AA54" country="China" county="Pingjiang County" latitude="28.533333" longLatPrecision="1232" longitude="113.916664" municipality="Yueyang City" name="Lutou Forest Farm" stateProvince="Hunan Province">
<location LSID="urn:lsid:plazi:treatment:97C37148213C5359A0FC80BD4F3E4081:FF5D664E02F43BD3375ADC7FE7096437" country="China" county="Pingjiang County" latitude="28.533333" longLatPrecision="1232" longitude="113.916664" municipality="Yueyang City" name="Lutou Forest" stateProvince="Hunan Province">Lutou Forest</location>
Farm
</location>
,
<geoCoordinate degrees="28" direction="north" minutes="32" orientation="latitude" precision="925" value="28.533333">28°32'N</geoCoordinate>
,
<geoCoordinate degrees="113" direction="east" minutes="55" orientation="longitude" precision="925" value="113.916664">113°55'E</geoCoordinate>
, alt.
<quantity metricMagnitude="2" metricUnit="m" metricValue="4.21" unit="m" value="421.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="4.21" unit="m" value="421.0">421 m</elevation>
</quantity>
,
<collectingDate value="2022-05-22">22 May 2022</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="75">Hai-Fei Yan and Chun-Lai Zhang Yan2022050</emphasis>
(
<typeStatus>holotype</typeStatus>
: IBSC! barcode IBSC0895001)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="diagnosis">
<paragraph pageId="0" pageNumber="75">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="75">
<taxonomicName authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia fenghwaiana</emphasis>
</taxonomicName>
is most similar to
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
Pamp. &amp; Hand. -Mazz. and
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
Y.I.Fang &amp; C.Z.Cheng, but is different in its leaf shape and arrangement of flowers. It further differs from
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
in the absence of calyx lobule spur, and differs from
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
in the black glandular striates in the corolla lobes (vs. punctate).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="description">
<paragraph pageId="0" pageNumber="75">Description.</paragraph>
<paragraph pageId="0" pageNumber="75">
Herbs perennial, 20 to 70 cm tall. Stems erect, later arched to reclined, simple or shortly branched, initially covered with rust-coloured multicellular hairs, glabrescent. Leaves opposite; petioles 0.6-1.1 cm long, sparsely strigillose; blades broadly ovate, 1.2-2.8
<normalizedToken originalValue="×">x</normalizedToken>
0.8-1.8 cm, sparsely strigillose abaxially, densely short black glandular striate, base broadly cuneate, margin subentire, apex subacute to obtuse; midrib sunken abaxially, prominent abaxially when dry, secondary veins 3 or 4 pairs, veinlets inconspicuous. Flowers solitary or paired, in axis of apical leaves; pedicel 1-1.8 cm, glandular pubescent. Calyx 5-parted, green, lobes lanceolate, 5-6 mm long, abaxially cristate; crest widest at base, ca. 2 mm, black glandular striate, apex acute. Corolla yellow, tube ca. 2 mm long, lobes elliptic-lanceolate, ca. 11
<normalizedToken originalValue="×">x</normalizedToken>
4 mm, densely black glandular striate, apex obtuse. Stamens 5, filaments 3.2-3.5 mm long, connate basally into a tube, tube part 3.8-4.0 mm long, adnate to corolla tube, anthers oblong, ca. 1.8 mm long, dorsifixed, opening by lateral slits. Ovary ovoid, 1 mm long, glabrous, style ca. 7 mm long, stigma capitate. Capsules subspherical, ca. 5 mm in diameter, glabrous.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="distribution">
<paragraph pageId="0" pageNumber="75">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="75">The new species is currently known only from the type locality in Hunan Province, i.e. Lutou Forest Farm in Pingjiang County, Yueyang City. It grows at the edge of secondary mixed-evergreen forests, or under open forest on the hillside, at an altitude of ca. 400-450 m a.s.l.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="phenology">
<paragraph pageId="0" pageNumber="75">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="75">Flowering from May to June, fruiting from July to August.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="etymology">
<paragraph pageId="0" pageNumber="75">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="75">
The new species is named in honour of Prof. Feng-Hwai Chen, a Chinese plant taxonomist and horticulturist, who devoted all his life to the development of botanical gardens in China and made considerable contributions to the study of
<taxonomicName class="Magnoliopsida" family="Primulaceae" kingdom="Plantae" lsidName="" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Primulaceae</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Asteraceae</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="local name">
<paragraph pageId="0" pageNumber="75">Local name.</paragraph>
<paragraph pageId="0" pageNumber="75">
Simplified Chinese:
<normalizedToken originalValue="芦头过路黄">芦头过路黄</normalizedToken>
; Chinese Pinyin:
<normalizedToken originalValue="Lútou">Lutou</normalizedToken>
<normalizedToken originalValue="Guò">Guo</normalizedToken>
<normalizedToken originalValue="Lù">Lu</normalizedToken>
<normalizedToken originalValue="Huáng">Huang</normalizedToken>
.
<normalizedToken originalValue="“Lútou”">&quot;Lutou&quot;</normalizedToken>
means the flowers of
<taxonomicName class="Liliopsida" family="Poaceae" genus="Phragmites" kingdom="Plantae" lsidName="Phragmites communis" order="Poales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="communis">
<emphasis italics="true" pageId="0" pageNumber="75">Phragmites communis</emphasis>
</taxonomicName>
Trin. (
<taxonomicName class="Liliopsida" family="Poaceae" kingdom="Plantae" lsidName="" order="Poales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Poaceae</taxonomicName>
), which abundantly occurs locally.
<normalizedToken originalValue="“Guò">&quot;Guo</normalizedToken>
<normalizedToken originalValue="Lù">Lu</normalizedToken>
<normalizedToken originalValue="Huáng”">Huang&quot;</normalizedToken>
means plants of
<taxonomicName class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="conservation status">
<paragraph pageId="0" pageNumber="75">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="75">
Based on our field investigations in Yueyang City and adjacent areas (e.g. Hubei and Guangxi Provinces) in the past ten years, only one population with ca. 1000 individuals of the new species has been found in an area of 10 km2 in Lutou Forest Farm, Pingjiang County, Yueyang City. Moreover, the habitats are under threat from road construction and timber harvesting. Therefore, the conservation status of the new species is assessed as Critically Endangered (CR) (B2a &amp; bi, iii), according to the guidelines for using the IUCN Red List Categories and Criteria (
<bibRefCitation author="Huang, RZ" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="75" refId="B10" refString="IUCN Standards and Petitions Committee (2022) Guidelines for using the IUCN Red List categories and criteria. Version 15.1: Prepared by the Standards and Petitions Committee in July 2022." year="2020">IUCN Standards and Petitions Committee 2022</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="materials_examined">
<paragraph pageId="0" pageNumber="75">Additional specimens examined</paragraph>
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">
(
<typeStatus>paratypes</typeStatus>
).
</emphasis>
<materialsCitation collectingDate="2012-06-04" collectingDateMax="2021-07-25" collectingDateMin="2012-06-04" country="China" county="The" elevation="500" location="The" municipality="Yan" specimenCount="1" typeStatus="holotype">
<collectingCountry name="China">China</collectingCountry>
.
<location LSID="urn:lsid:plazi:treatment:97C37148213C5359A0FC80BD4F3E4081:9C4F8A49EC98E5C6FEA1F6CF3493BE8F" country="China" county="The" municipality="Yan" name="The">The</location>
same locality as holotype,
<collectingDate value="2021-07-25">25 July 2021</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="75">
<location LSID="urn:lsid:plazi:treatment:97C37148213C5359A0FC80BD4F3E4081:C1525687969B85569CD7C60D754B4FD4" country="China" county="The" municipality="Yan" name="Hai-Fei Yan">Hai-Fei Yan</location>
et al.
<collectingMunicipality>Yan</collectingMunicipality>
2021069
</emphasis>
(IBSC!);
<collectingCounty>The</collectingCounty>
same locality as
<typeStatus>holotype</typeStatus>
,
<collectingDate value="2012-06-04">4 June 2012</collectingDate>
, under forest, alt. ca.
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.0" unit="m" value="500.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.0" unit="m" value="500.0">500 m</elevation>
</quantity>
,
<emphasis italics="true" pageId="0" pageNumber="75">Jiaxiang Li et al. 1855</emphasis>
(CSFI! barcode CSFI069374)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="relationship with related species">
<paragraph pageId="0" pageNumber="75">Relationship with related species.</paragraph>
<paragraph pageId="0" pageNumber="75">
Based on the classification of
<taxonomicName class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia</emphasis>
</taxonomicName>
by
<bibRefCitation author="Handel-Mazzetti, H" journalOrPublisher="Notes from the Royal Botanic Garden Edinburgh" pageId="0" pageNumber="75" pagination="51 - 122" refId="B5" refString="Handel-Mazzetti, H, 1928. A revision of the Chinese species of Lysimachia. Notes from the Royal Botanic Garden Edinburgh 77: 51 - 122" title="A revision of the Chinese species of Lysimachia." volume="77" year="1928">Handel-Mazzetti (1928)</bibRefCitation>
and
<bibRefCitation author="Chen, FH" journalOrPublisher="Zhiwu Fenlei Xuebao" pageId="0" pageNumber="75" pagination="21 - 53" refId="B3" refString="Chen, FH, Hu, CM, 1979. Taxomomic and phytogeographic studies on Chinese species of Lysimachia. Zhiwu Fenlei Xuebao 17: 21 - 53" title="Taxomomic and phytogeographic studies on Chinese species of Lysimachia." volume="17" year="1979">Chen and Hu (1979)</bibRefCitation>
, the new species clearly belongs to
<taxonomicName authority="Lysimachia" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia (Lysimachia) subsp. subgenus" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="subGenus" subGenus="Lysimachia">Lysimachia subgenus Lysimachia</taxonomicName>
sect.
<taxonomicName class="Globothalamea" family="Nummulitidae" genus="Nummularia" kingdom="Chromista" lsidName="Nummularia subsp. ser." order="Rotaliida" pageId="0" pageNumber="75" phylum="Foraminifera" rank="series" series="Drymarifoliae">Nummularia ser. Drymarifoliae</taxonomicName>
Hand.-Mazz., which is characterised by filaments connate into a tube, adnate to the base of corolla tube; anthers shorter than filaments, opening by lateral slits; and plants producing coloured punctate or striate glands. Amongst this series, approximately six species constitute a group, highlighted by the calyx with crested ridges (
<bibRefCitation author="Handel-Mazzetti, H" journalOrPublisher="Notes from the Royal Botanic Garden Edinburgh" pageId="0" pageNumber="75" pagination="51 - 122" refId="B5" refString="Handel-Mazzetti, H, 1928. A revision of the Chinese species of Lysimachia. Notes from the Royal Botanic Garden Edinburgh 77: 51 - 122" title="A revision of the Chinese species of Lysimachia." volume="77" year="1928">Handel-Mazzetti 1928</bibRefCitation>
;
<bibRefCitation author="Chen, FH" journalOrPublisher="Zhiwu Fenlei Xuebao" pageId="0" pageNumber="75" refId="B4" refString="Chen, FH, Hu, CM, Fang, YY, Zheng, CZ, 1989. Lysimachia. In: Chen FH, Hu CM (Eds) Flora Reipublicae Popularis Sinicae (Vol. 59 (1)). Science Press, Beijing, 3-133." title="Lysimachia. In: Chen FH, Hu CM (Eds) Flora Reipublicae Popularis Sinicae (Vol. 59 (1 )). Science Press, Beijing, 3 - 133." year="1989">Chen et al. 1989</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.1371/journal.pone.0132713" author="Zhou, JJ" journalOrPublisher="The New Phytologist" pageId="0" pageNumber="75" refId="B17" refString="Zhou, JJ, Yu, XL, Deng, YF, Yan, HF, Lin, ZL, 2015. Lysimachia huangsangensis (Primulaceae), a new species from Hunan, China. PLoS ONE 10(7): e0132713. https://doi.org/10.1371/journal.pone.0132713" title="Lysimachia huangsangensis (Primulaceae), a new species from Hunan, China. PLoS ONE 10 (7): e 0132713." url="https://doi.org/10.1371/journal.pone.0132713" year="2015">Zhou et al. 2015</bibRefCitation>
). The new species belongs to the group by having a crested calyx (Figs
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Holotype of Lysimachia fenghwaiana G. Hao &amp; H. F. Yan, sp. nov. (Hai-Fei Yan and Chun-Lai Zhang Yan 2022050, IBSC barcode IBSC 0895001)." figureDoi="10.3897/phytokeys.220.99556.figure1" httpUri="https://binary.pensoft.net/fig/815603" pageId="0" pageNumber="75">1D</figureCitation>
,
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Lysimachia fenghwaiana G. Hao &amp; H. F. Yan, sp. nov. A habit B abaxial surface of leaf C flower D calyx-lobe showing crest ridge E dissected corolla F stamens G pistil. Drawn by Yun-Xiao Liu from the holotype." figureDoi="10.3897/phytokeys.220.99556.figure2" httpUri="https://binary.pensoft.net/fig/815604" pageId="0" pageNumber="75">2G</figureCitation>
) and is morphologically similar to
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
, but is distinctive in its flowers occurring in the axis of the apical leaves, rather than in the axis of the middle and upper leaves in the latter two species. Further, from
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
, it differs in its cuneate leaf base and absence of corolla lobule spur (vs. leaf base cordate and calyx lobule spur present in
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
); and from
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
, it differs by the shape of leaf lamina and corolla, i.e striate in
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista</emphasis>
</taxonomicName>
(vs. punctate in
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
) (see Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Main morphological differences between Lysimachia fenghwaiana and two similar species." httpUri="http://table.plazi.org/id/53E408FCF9A9D92182448F48508F3E61" pageId="0" pageNumber="75" tableUuid="53E408FCF9A9D92182448F48508F3E61">1</tableCitation>
).
</paragraph>
<caption doi="10.3897/phytokeys.220.99556.figure1" httpUri="https://binary.pensoft.net/fig/815603" pageId="0" pageNumber="75" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 1.</emphasis>
Holotype of
<taxonomicName authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia fenghwaiana</emphasis>
</taxonomicName>
G.Hao &amp; H.F.Yan, sp. nov. (
<emphasis italics="true" pageId="0" pageNumber="75">Hai-Fei Yan and Chun-Lai Zhang Yan2022050</emphasis>
, IBSC barcode IBSC0895001).
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.220.99556.figure2" httpUri="https://binary.pensoft.net/fig/815604" pageId="0" pageNumber="75" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 2.</emphasis>
<taxonomicName authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia fenghwaiana</emphasis>
</taxonomicName>
G.Hao &amp; H.F.Yan, sp. nov.
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="75">B</emphasis>
abaxial surface of leaf
<emphasis bold="true" pageId="0" pageNumber="75">C</emphasis>
flower
<emphasis bold="true" pageId="0" pageNumber="75">D</emphasis>
calyx-lobe showing crest ridge
<emphasis bold="true" pageId="0" pageNumber="75">E</emphasis>
dissected corolla
<emphasis bold="true" pageId="0" pageNumber="75">F</emphasis>
stamens
<emphasis bold="true" pageId="0" pageNumber="75">G</emphasis>
pistil. Drawn by Yun-Xiao Liu from the holotype.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.220.99556.figure3" httpUri="https://binary.pensoft.net/fig/815605" pageId="0" pageNumber="75" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 3.</emphasis>
Living plant of
<taxonomicName authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia fenghwaiana</emphasis>
</taxonomicName>
G.Hao &amp; H.F.Yan, sp. nov.
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
habitat
<emphasis bold="true" pageId="0" pageNumber="75">B, C</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="75">D, E</emphasis>
flowering plant
<emphasis bold="true" pageId="0" pageNumber="75">F</emphasis>
fruiting plant
<emphasis bold="true" pageId="0" pageNumber="75">G</emphasis>
leaves on abaxial (left) and adaxial (right) surfaces
<emphasis bold="true" pageId="0" pageNumber="75">H</emphasis>
flower (lateral view)
<emphasis bold="true" pageId="0" pageNumber="75">I</emphasis>
stamens and pistil (partial). Photographed by Jia-Xiang Li and Hai-Fei Yan.
</paragraph>
</caption>
<caption ID-Table-UUID="53E408FCF9A9D92182448F48508F3E61" httpUri="http://table.plazi.org/id/53E408FCF9A9D92182448F48508F3E61" pageId="0" pageNumber="75" start="Table 1" startId="T1">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Table 1.</emphasis>
Main morphological differences between
<taxonomicName authorityName="G. Hao &amp; H. F. Yan" authorityYear="2023" class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia fenghwaiana" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia fenghwaiana</emphasis>
</taxonomicName>
and two similar species.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="75">
<table pageId="0" pageNumber="75">
<tr pageId="0" pageNumber="75">
<th colspan="1" pageId="0" pageNumber="75" rowspan="1">Features</th>
<th colspan="1" pageId="0" pageNumber="75" rowspan="1">
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. fenghwaiana" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fenghwaiana">
<emphasis italics="true" pageId="0" pageNumber="75">L. fenghwaiana</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="75" rowspan="1">
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. crista-galli" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="crista-galli">
<emphasis italics="true" pageId="0" pageNumber="75">L. crista-galli</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="75" rowspan="1">
<taxonomicName class="Magnoliopsida" family="Asteraceae" kingdom="Plantae" lsidName="L. carinata" order="Asterales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="carinata">
<emphasis italics="true" pageId="0" pageNumber="75">L. carinata</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="0" pageNumber="75">
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Lamina shape</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">broadly ovate, base rounded to truncate, apex subacute to obtuse</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">broadly ovate to suborbicular, base cordate, apex subacute to obtuse</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">broadly ovate to ovate, base rounded to truncate, apex acute to acuminate</td>
</tr>
<tr pageId="0" pageNumber="75">
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">
Lamina
<normalizedToken originalValue="glands">glands'</normalizedToken>
type
</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">short striate</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">mix of both striate and punctate</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">punctate</td>
</tr>
<tr pageId="0" pageNumber="75">
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Arrangement of flowers</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">solitary or paired in axis of apical leaves</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">solitary, in axis of middle and upper leaves</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">solitary or paired, in axis of middle and upper leaves</td>
</tr>
<tr pageId="0" pageNumber="75">
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Calyx lobule spur</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Absent</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Present</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">absent</td>
</tr>
<tr pageId="0" pageNumber="75">
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">Corolla lobule glands</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">densely striate</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">densely striate</td>
<td colspan="1" pageId="0" pageNumber="75" rowspan="1">punctate</td>
</tr>
</table>
</paragraph>
<paragraph pageId="0" pageNumber="75">
Whether the development of the crest to the calyx lobes, i.e. the winged keel of the calyx lobes, is a synapomorphy and those species constitute a monophyletic group in
<taxonomicName class="Magnoliopsida" family="Primulaceae" genus="Lysimachia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lysimachia" order="Ericales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="75">Lysimachia</emphasis>
</taxonomicName>
is uncertain, and further phylogenetic analysis should be undertaken to resolve this issue.
</paragraph>
</subSubSection>
</treatment>
</document>