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Four newly recorded Gesneraceous species from Vietnam

越南苦苣苔科植物四新记录种(英文)



全 文 :广 西 植 物 Guihaia May2013,33(3):395-400           http://journal.gxzw.gxib.cn 
DOI:10.3969/j.issn.1000G3142.2013.03.019
DoVanTruong,刘晟源,韦毅刚,等.越南苦苣苔科植物四新记录种[J].广西植物,2013,33(3):395-400
DoVT,LiuSY,WeiYG,etal.FournewlyrecordedGesneraceousspeciesfromVietnam[J].Guihaia,2013,33(3):395-400
越南苦苣苔科植物四新记录种
DoVanTruong1,刘晟源2,韦毅刚3,温 放3∗
(1.越南国家自然博物馆 维管束植物分类与多样性保育中心,越南 河内;2.广西弄岗国家级自然保护区
管理局,广西 龙州532400;3. 广 西壮族自治区中 国 科 学 院 广西植物研究所,广西 桂林541006)
摘 要:报道了4个苦苣苔科(Gesneriaceae)植物在越南的分布新记录,其中1种为半蒴苣苔属(Hemiboea)的红
苞半蒴苣苔(H.rubribracteata),2种为报春苣苔属(PrimulinaHance)的文采报春苣苔(P.wentsai)和疏花报春
苣苔(P.laxiflora),还有1种为吊石苣苔属(Lysionotus)的桂黔吊石苣苔(L.aeschynanthoides).文中列出了每
个种的标本引证和地理分布情况.
关键词:红苞半蒴苣苔;桂黔吊石苣苔;疏花报春苣苔;文采报春苣苔;新记录;越南
中图分类号:Q949.778.4  文献标识码:A  文章编号:1000G3142(2013)03G0395G06
FournewlyrecordedGesneraceous
speciesfromVietnam
DOVanTruong1,LIUShengGYuan2,WEIYiGGang3,WENFang3∗
(1.ClassificationofVascularPlantsandBiodiversityConservationCenter,VietnamNationalMuseumofNature,HaNoi,
Vietnam;2.NonggangNationalNatureReserveAdministrationofGuangxi,Longzhou532400,China;3.GuangxiInstitute
ofBotany,GuangxizhuangAutomousRegionandtheChineseAcademyofSciences,Guilin541006,China)
Abstract:OnespeciesofHemiboea,H.rubribracteatatwospeciesofPrimulina,P.wentsaiandP.laxiflora,and
onespeciesofLysionotusL.aeschynanthoides,arereportedforthefirsttimefromVietnam.ThecitationofspeciG
mensandtheirdistributionisgiveninthepresentpaper.
Keywords:Hemiboearubribracteata;Lysionotusaeschynanthoides;Primulinalaxiflora;Primulinawentsai;new
records;Vietnam
    Thegenus,Hemiboea C.B.Clarke,belongsto
GesneriaceaesubfamilyCyrtandroideaetribeDidymoG
carpeae.ItsrelativeChineseendemicgenus,MetabriggG
sia W.T.Wang (1983a),wasmergedwithHemiboea
(Weberetal.,2011).Inaddition,aftertwonewspecies,
H.purpureaYanLiu& W.B.Xu(Xuetal.,2010)and
H.angustifoliaF.Wen&Y.G.Wei(Wenetal.,2011),
andonevariety,H.folicularisC.B.Clarkevar.retroflG
exaYanLiu&Y.S.Huang(Huangetal.,2011)were
published,thisgenuscomprisesatleast28speciesand
sixvarieties.ThisgenusmainlydistributesinSandSW
ChinaandNVietnam (Wangetal.,1990;Wangetal.,
1998;Li& Wang,2004;Weietal.,2010).Thereare
about28speciesofformerChiritaBuch.GHam.exD.Don
wererecorded.However,amajorrevisionoftheonce
monotypic,Primulina Hance(1883),wasreleasedin
收稿日期:2012G11G23  修回日期:2013G01G20
基金项目:国家自然科学基金(31260038);广西自然科学基金(2011GXNSFB018050);广西植物研究所博士课题启动基金(桂植业11003);中国
科学院西部之光人才培养计划项目
作者简介:DoVanTruong(1984G),Vietnamese,MasterinBotany,ResearcherinDepartmentofBiology,Vietnam NationalMuseumofNature,
VAST,(EGmail)dovantruong_bttn@yahoo.com.
∗通讯作者:温放,博士,副研究员,主要从事植物分类学与相关研究,(EGmail)wenfang760608@139.com.
2011.ThosespeciesinformersectionGibbosaccusof
ChiritaBuch.GHam.exD.Don.,Chiritopsis W.T.Wang
andtwospeciesofWentsaiboeaD.Fang&D.H.Qinwere
revisedtobemembersofPrimulina (Wangetal.,
2011;Weberetal.,2011).Thus,somenewrecordsof
originalChiritasect.Gibbosaccusshouldbereportedas
Primulinaspecies.Lastly,thegenus,LysionotusD.Don,
consistsofabout27species,andisrangingfromNIndiG
a,NNepal,NThailand,NVietnamandSChinatoSJaG
pan(Li& Wang,2004;Nongetal.,2010).Beforeour
report,onlyfivespeciesofthisgenuswerereportedin
Vietnam.
DuringourextensiveexpeditiontoVietnaminthe
pasttwoyears,wecolectedsomespecimensofGesneG
riaceaespeciesasnewrecordsfromVietnam,whichare
notbementionedinbotanicalorcorrelativemonograph
ofVietnam(Hoetal.,2000;Nguyenetal.,2000).
1.Hemiboearubribracteata Z.Y.Li&YanLiuin
ActaPhytotax.Sin.42(6):537,fig.1.2004.(Fig.1)
Specimensexamined:Vietnam:TuyenQuang
Prov.,NaHangDistr.,NaHangNatureReserve,apG
proximately22°20′42″N,105°25′20″E,ca.320m.17.Jun.
2012,DoVanTruong & WenFang,VMN_CN241
(VMN,IBK).
Ecology:Growsinthecrevicesonalimestone
hil,undertropicalevergreenbroadleafforestandbuG
shes.320ma.s.l.
Conservationandexistencestatus:Thisspeciescan
onlybefoundinasunnylimestonehilinNaHang
NatureReserve.However,thesuitablehabitatisbeing
seriouslyinvadedbyainvasionplant,Zebrinapendnla
Schnizl.WeconsideredthatthepopulationofHemiG
boearubribracteataisinarecession.
Distribution:SWGuangxi,CHINA,NewtoVietnam.
Discussion:Firstly,thisspecies wasdiscovered
fromJingxiCounty,Guangxi,China,andconsideredas
anendemiconetoGuangxi.Thisareaabutstheborder
withNVietnam.Thus,itisnowonderthatthenew
recordwasdiscoveredandconfirmed.Italsohints
thereisadirectintimateconnectionbetweentheflora
ofSWChinaandNVietnam.
ThepopulationofGuangxi,Chinaislocatedina
largeGscalelimestonegorge,andalplantsgrowinthe
bottomofthisgorgewithhighhumidityandshade
density.ButthepopulationofNVietnamgrowsinthe
crevicesofthehilsideoflimestonehil withstronger
sunlight,poorsoilandlow humidity.Somesmal
diferencescanbeobservedbetweentwodiferentpopG
ulationsfromChinaandVietnam,forexamplecolorof
involucre(vividfuchsiaorpalepurplishGred),colorof
corola(whiteoryelowishGwhite),heightofplants(0.4
-1.5morhigher),etc.ThediferenceofhabitatconG
ditionsresultthose.
BasedonthebotanicaldiagnosiswhenitwaspubG
lished,thisspeciesissimilartoHemiboeacavaleriei
Lévl.(Li& Liu,2004),buteasilydistinguishedby
thosecharactersshowedinTable1.Thetable1accordG
inglyshowsanothersimilarspecies,H.angustifoliaF.
Wen&Y.G.Wei(Wenetal.,2011).
2.Primulinalaxiflora (W.T.Wang)Y.Z.Wangin
J.Syst.Evol.49:61.2011≡ChiritalaxifloraW.T.Wangin
Bul.Bot.Res.,Harbin4(1):21.1984.(Fig.2AGD)
Specimensexamined:Vietnam:HaGiangProv.,
BacMeDistr.,BacMeNatureReserve,approximately
22°22′18″N,105°27′48″E,ca.145.6m.16.Jun.2012,Do
VanTruong& WenFang,VMN_CN229(VMN,IBK).
Ecology:Growsattheentranceofalimestone
caveandcrevicesoflimestonerocknearwaterfal.
145.6ma.s.l.
Distribution:NWGuangxi,China,NewtoVietnam.
Conservationandexistencestatus:Thewaterfaland
caveareusedbylocalpeopletoswimandenjoythe
cool.Thuslocalpeople’sactivitiesmighthaveafected
thenormalreproductionofthispopulation.
Discussion:Thetypelocality,LinyunCounty,is
locatedinNW Guangxi.Itisseparatedfrom Vietnam
bysomecountiesofGuangxiandYunnan.However,
wesuccessivelydiscoveredsomedistributionpointsin
diferentCountiesofGuangxiandYunnannearborder
ofChinaandVietnam.Thenewestcolectedrecordin
ChinawasinGaozhouandHuazhouofGuangdongby
aplantenthusiast.ItalsohintsthecloseconnectionbeG
tweenfloraofSChinaandNVietnam.UnquestionaG
ble,moreandmoredistributionlocalitieswilbefound
inthefutureintwocountries.
Whenthisspecieswaspublished(Wang,1984),
693 广 西 植 物                  33卷
Fig.1 HemiboearubribracteataZ.Y.Li& YanLiu A.Habitat,showingtheinvasionplant,ZebrinapendnlaSchnizl;
B.PurplishGredinvolucre;C.Frontalviewofcyme;D.Sideviewofcorolaandcyme;E.Frontalviewofcorola;F.Capsule.
Wang(1984)considereditresembledChiritaswinglei
(Merr.)W.T.Wang(nowPrimulinaswinglei(Merr.)
Mich.Möler&A.Weber),buteasilydistinguishedby
itssmalerleafblades,moreflowersononecyme,
smalerflower,corolanearlytubular.Furthermore,
whenthisspeciesgrowsindarklimestonecaves,they
looksimilartoChiritatenuifolia W.T.Wang (now
Primulinatenuifolia(W.T.Wang)Y.Z.Wang)(Weber
etal.,2011).Table2summarizesthemorphological
diferencesbetweenP.laxifloraandtwosimilarspeG
cies.
3.Primulinawentsai (D.Fang&L.Zeng)Y.Z.
WanginJ.Syst.Evol.49:62.2011≡ChiritawentsaiD.
Fang&L.ZenginActaPhytotax.Sin.31(5):466.1993.
(Fig.2EGH)
Specimensexamined:Vietnam:LangSonProv.,
Trang DinhDistr.,TriPhuongCommune,approxiG
mately22°39′29″N,106°0′10″E,ca.424.1m.16.Jun.
2012,DoVanTruong & WenFang,VMN_CN173
(VMN,IBK).
Ecology:Growsinthecrevicesofsunnyvertical
clifsonalimestonehil.TherearealmostnoaccomG
panyingplantsnearthoseindividuals.424􀆰16-460m
a.s.l.
7933期          DoVanTruong等:越南苦苣苔科植物四新记录种
Fig.2 Primulinalaxiflora(W.T.Wang)Y.Z.Wang(AGD) A.Habitat;B.Habit;C.Frontalviewofcorola;D.Side
viewofcyme. P.wentsai (D.Fang&L.Zeng)Y.Z.Wang(EGH) E.Habitat;F.Habit;G.Bud;H.Frontalviewofcorola.
  Distribution:SWGuangxi,China,NewtoVietnam.
Conservationandexistencestatus:Clusteredand
hugeindividualsgrowontheverticallimestoneclifs
fromthreetotwentyorhighermetersaboveground.
Thusgrowth andreproduction ofthis population
shouldnotbeafectedbyartificialinterference.
Discussion:Thisspecieswaspublishedin1993
(Fangetal.).Beforeournewrecordofthisspeciesin
Vietnam,itcanonlybeknowninonelocalityinLongG
zhouCounty,Guangxi.ItwasassessedasCriticalyEnG
dangered(CRA1a+C2a(i))basedonredlistcategories
(IUCN,2001;Weietal.,2010).Thenewlocalityisvery
closetotheborderoftwocountries,butthedistancebeG
tweennewandoldlocalitiesisabout50kilometers.New
localitiesofPrimulinawentsai mightbediscoveredin
thefutureinthiscontiguousarea.Thisspecieslookslike
P.ophiopogoides(D.Fang& W.T.Wang)Y.Z.Wangand
P.spinulosa(D.Fang& W.T.Wang)Y.Z.Wangwithout
flowers,howeveritissoeasilydiferedonbasisofsome
charactersastheTable3belowshow.
893 广 西 植 物                  33卷
Table1 MorphologicalcomparisonofHemiboearubribracteata,H.cavalerieiandH.agustifolia
Diferedcharacters H.rubribracteata H.cavaleriei H.agustifolia
Stem
strong,10—13mm
indiam.,stuf
slimandsoft,
5—7mmindiam.
strong,5—7mmindiam.
Involucrecolor red greenorbrownishgreen whitishgreenorpaleyelowishgreen
Calyxlobes longer,8—15mmlonger shorter,5—7mmlong 7.8-8.8mmlong,betweentwoformer
Corola
white,outsideglabrous,
abaxiallip3Globedtowards
themiddle
Paleyelow,outsidesparely
glandularpubescences,abG
axial3Globed
greyishGwhiteorwaxyGwhite,adaxialoutside
glandularGpuberulent,abaxialoutsideextremeG
lyshortpubescenttonearlyglabrous
Table2 MorphologicalcomparisonofP.laxiflora,P.swingleiandP.tenuifolia
Differedcharacters P.laxiflora P.swinglei P.tenuifolia
Leafblade 6—9.6cmlong 13—17cmlong 2.2—5cmlong
Flowersononecyme 7—12 1—6 1
Flowersize ca.1.7cmlong 2.8—4.2cmlong ca.2.8cmlong
Corola nearlytubular tubular slenderfunnelform
Table3 MorphologicalcomparisonofP.wentsaii,P.ophiopogoidesandP.spinulosa
Differedcharacters P.wentsaii P.ophiopogoides P.spinulosa
Flowersnumber
ononecyme
2—3 5—7 ca.9ormore
Bracts 30—35mmlong 9—15mmlong 2—2.5mmlong
Calyxlobes 10—12mmlong 4—5mmlong ca.1.5mmlong
Corola 4.5—5cmlong;bluishGpurple;
outsidesparselyglandularGpubescence
2.5—2.6cmlong;palepurple;
outsidewithoutglandularGpubescence
ca.1.3cmlong;purple;upperGoutside
sparselyextremelypubescence
Corolatube campaniform,3—3.5cmlong sliminfundibuliform,ca.1.4cmlong nearlytubular
Staminodes 3,lateralones9mmlong 2,ca.5mmlong 2,ca.1.5mmlong
Pistil ca.2.6cmlong ca.1.5cmlong ca.1.4cmlong
  4.LysionotusaeschynanthoidesW.T.Wang in
Guihaia3(4):265,pl.4,fig.7G9.1983etFl.Reip.Pop.
Sin.69:536,tab.153:7G9.1990;W.T.Wangetal.InZ.Y.
WuetRaven,Fl.China18:388.1998.
Specimensexamined:Vietnam:BacKanProv.,Na
RyDistr.,Kim Hy Nature Reserve,approximately
22°11′24″N,106°3′43″E,ca.457.1m.10.Jun.2012,Do
VanTruong & WenFang,VMN_CN83(VMN,IBK).
Ecology:GrowsonthetrunksofevergreenbroadG
leavedtreesorcrevicesoflimestonerocksundereverG
greenbroadGleavedtreesandbushes.457.1ma.s.l.
Distribution:Middle,SW Guangxi,SEYunnan,
SWGuizhou,China,NewtoVietnam.
Conservationandexistencestatus:Thepopulations
inornearKim HyNatureReservesurviveingood
state.Therearealotofyoungplantsreproduceby
seeds(sexualreproduction)andrhizomes(asexualreG
production).Theindividualsofpopulationsgrowand
renewverywel.
Discussion:Atfirstthisspecieswasconsideredas
endemiconetoChina(SW Yunnan,MiddleandSW
Guangxi,andSW Guizhou).Thenewrecordofthe
speciesinVietnamhintsthecloseconnectionbetween
floraofSandSWChinaandNVietnam.Sofar,four
speciesofLysionotusD.Donwererecorded,namelyL.
pauciflorusMaxim.,L.peteloti Pel.,L.serratusD.
Don(Ho,2000)andthisnewrecordedspecies.This
speciesbelongstoSect.Lysionotusser.HeteroPhylli
W.T.Wang,buteasilydistinguishedotheronesofthis
sectionbyitsanisopleuralleafblades,entireleafblade
margin,smalerflowers,yelow corola,infundibuliG
formGtubularcorolatube.Furthermore,thescientific
namehintsthatthemorphologyofvegetableorganof
thisspeciesissimilartoAeschynanthusJackplants
(Wang,1983b).
Acknowledgments Theauthors wouldliketo
9933期          DoVanTruong等:越南苦苣苔科植物四新记录种
thankstafattheherbariumofVietnamNationalMuG
seumofNature,Vietnam(VMN),herbariumofInstiG
tuteofEcologyandBiologyResource,Vietnam(HN),
theherbariumoftheInstituteofBotanyGuangxi,ChiG
na(IBK);theherbariumoftheSouthChinaBotanical
Garden,ChineseAcademyofSciences,China(IBSC);
theherbariumoftheKunmingInstituteofBotany,
ChineseAcademyofSciences,China(KUN).Wealso
thankMr.WeiGJunWuforprovidingcolectedinformaG
tionofPrimulinalaxiflorainGuangdong,China,and
Mr.XinGXinZhuforprovidingcolectedinformationof
Lysionotusaeschynanthoides.
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