DOI:10.11931/guihaia.gxzw201808032
http://www.guihaia-journal.com
RediscoveryandconformationofOreocharisrhytidophylla(Gesneriaceae)withsupplementarydescriptionofflowers
(1.CASKeyLaboratoryforPlantDiversityandBiogeographyofEastAsiaꎬKunmingInstituteofBotanyꎬChineseAcademy
ofSciencesꎬKunming650201ꎬChinaꎻ2.UniversityofChineseAcademyofSciencesꎬBeijing100049ꎬChina)
引文格式:张亚梅ꎬ郭世伟ꎬ陈文红ꎬ等.网叶马铃苣苔(苦苣苔科)的重新发现以及花的补充描述[J].广西植物ꎬ2019ꎬ39(5):569-573.
ZHANGYMꎬGUOSWꎬCHENWHꎬetal.RediscoveryandconformationofOreocharisrhytidophylla(Gesneriaceae)withsupplementarydescriptionofflowers[J].Guihaiaꎬ2019ꎬ39(5):569-573.
ZHANGYamei1ꎬ2ꎬGUOShiwei1ꎬ2ꎬCHENWenhong1ꎬSHUIYumin1∗
Abstract:Flowermorphologyisakeytraitforsub ̄divisionandinter ̄speciesdefinitionofgenusOreocharis.O.rhytido ̄phyllaC.Y.WuexH.W.Liwaslastcollectedin1956andpublishedin1983ꎬandthespecieshasnorelevantcollec ̄tionrecordsforthenext60years.DuetothelackofflowermorphologyꎬtherearedoubtsinFloraofReipublicaePopu ̄larisSinicaeꎬPlantsofGesneriaceaeinChinaandFloraofChina.Afteryearsoffollow ̄upinvestigationꎬOreocharisrhytidophyllaC.Y.WuexH.W.Liwasrediscoveredin2017initstypelocality.Duetotheavailabilityoftheflowersduringtherediscoveryꎬweconfirmedthatthespeciesshouldbeconsideredasanaturalspeciesinsteadofdoubtfulone.Thephotos.Itsrediscoveryprovidesanopportunitytoexploreitssystematicpositioninthecontextofphylogenyinthefuture.Keywords:supplementarydescriptionꎬflowermorphologyꎬOreocharisꎬWuliangshanNationalNatureReserveCLCnumber:Q949 Documentcode:A ArticleID:1000 ̄3142(2019)05 ̄0569 ̄05
floralmorphologyofO.rhytidophyllaC.Y.WuexH.W.Liwassupplementedbasedontherecentcollectionsand
网叶马铃苣苔(苦苣苔科)的重新发现以及花的补充描述
张亚梅1ꎬ2ꎬ郭世伟1ꎬ2ꎬ陈文红1ꎬ税玉民1∗
(1.中国科学院昆明植物研究所东亚植物多样性和生物地理学重点实验室ꎬ昆明650201ꎻ2.中国科学院大学ꎬ北京100049)
摘 要:花部形态是马铃苣苔属属下划分和种间界定的关键性状ꎬ缺乏花器官的描述直接导致了一些存疑物种的存在ꎮ网叶马铃苣苔(OreocharisrhytidophyllaC.Y.WuexH.W.Li)自1956年最后被采集到并于1983年发表ꎬ由于没有花的特征ꎬ在«中国植物志»«中国苦苣苔科植物»和FloraofChina均存疑ꎬ但该种在随后的60余年间再无相关的采集记录ꎮ作者经过多年的跟踪调查ꎬ于2017年在其模式产地重新发现并采集了带花的凭证标本ꎮ该文作者根据已经采集到的具花标本ꎬ确定这个种是个自然种ꎬ并基于新收集到的材料ꎬ补充描述了花的形态特征ꎮ网叶马铃苣苔的重新发现ꎬ为探索其系统位置提供了重要的依据ꎮ关键词:补充描述ꎬ花形态ꎬ网叶马铃苣苔属ꎬ无量山国家级自然保护区
收稿日期:2018-09-22
基金项目:国家自然科学基金(31470306ꎬ31000258)[SupportedbytheNationalNaturalScienceFoundationofChina(31470306ꎬ31000258)]ꎮ
作者简介:张亚梅(1992-)ꎬ女(白族)ꎬ云南洱源人ꎬ硕士研究生ꎬ研究方向为生物地理和生物系统学ꎬ(E ̄mail)zhangyamei@mail.kib.ac.cnꎮ∗
通信作者:税玉民ꎬ博士ꎬ研究员ꎬ研究方向为热带植物分类学、地理学和生态学ꎬ(E ̄mail)ymshui@mail.kib.ac.cnꎮ
570广 西 植 物
1 Introduction
Benth.weremainlybasedonflowermorphological
The
classification
systems
for
Oreocharis
conservationꎬthespeciesisveryrareforitsrediscoveryafterthelastdiscoveryin1956indicatedbythespecimen(P.Y.Qiu53376)(Liꎬ1983).Hereꎬwesupplementarilydescribeitsfloralcharactersandsuggesttheexpandedgenus.
toconfirmitstaxonomicpositionasanaturalspeciesin
OreocharisrhytidophyllaC.Y.WuexH.W.Li
39卷
characters.Theflowermorphplogicalcharactersofthegenusareremarkablydiverseandincludethesymmetryofcorollaꎬthecolorofcorollaꎬtheshapeofcorollaꎬthenumberofstamensandstaminodes(Wangetal.ꎬ1990ꎬinBull.Bot.Res.3(2):9ꎬphoto5.1983ꎻK.Y.PaninActaPhytotax.Sin.25(4):290.1987.
1998ꎻmondifferentthatLi&differentleavesspeciesWangꎬ2004).flowersor(shareshareInthegenusꎬitisverycom ̄Wangsimilarsimilaretal.ꎬleavesflowers1990ꎬbutbut1998ꎻcompletelytotallyWangꎬ2004).ForexampleꎬOreocharisLi&
Caiana&leavesOliv.Z.K.whichWuissharesthemostflowercloselymorphologyꎬrelatedparvifloratoO.buthenry ̄LeitheO.purpurataarecompletelyB.PanꎬM.differentQ.Han(&CaiYanetLiual.ꎬis2017similar).toberO.inpinnatilobataleafꎬbutdifferent(K.Y.inPan)flowerMich.morphologyMöller&(HanA.We ̄al.ꎬ2017).
et
2 MaterialsandMethods
beenOreocharisavailabilitydoubtful
rhytidophyllain
taxonomic
C.Y.treatment
WuexH.W.until
Lihad
the
firstlyflowersdescribedofitsandobviouslybasedflowersdiagnosticoninthethetypefield.byspecimensThespeciesreticulatewithoutwasonbothsidesoftherugoseleaves(Liꎬthe1983).Subse ̄nervesquentlyꎬOreocharisitwasintheexcludedpublicationsintheChineseandmentionedlistofthewithgenusabrief1987ꎻnote2004).Wangoftheetabovegapofflowermorphology(Panꎬ
contactedWehadbeenal.ꎬtothe1990ꎬtypelocality1998ꎻmanyLi&timesWangꎬservedidnotinfindorderthestaffuntiltofindofWuliangshan2017ꎬitinwetheNationalNatureandRe ̄collectedfieldsincethespecimens2008ꎬbutwith
weflowersCountyꎬinYunnanoursurveyProvinceꎬtotheChina).typelocalityInthesight(Jingdongofthe
Type CHINA.Yunnan:JingdongCountyꎬWu ̄
liangshanmountainꎬMt.ꎬModaoheVillageꎬthefootofJiaodingtypeꎬ
KUN0484429!ꎻ
2November1956ꎬisotypeꎬ
P.Y.QiuKUN0548908!ꎬ
53376(holo ̄PE00030857 ̄60!).
3 ResultandAnalysis
3.1Supplementarydescriptionofflowers
4 ̄16 ̄floweredꎻInflorescencesaxillaryꎬcymes2-4ꎬ2 ̄4 ̄branchedꎬ
toaba ̄14cmꎻbractspeduncle3ꎬverticillateꎬdenselylong12-15brown×lanateꎬup
partedxially10-12×nearbrown1.1to-1.2baseꎬlanateꎬmmꎬlobesadaxialmarginequalꎬglabrous.2.5integrateꎬoblong ̄lanceolateꎬCalyx-3mmꎬ5 ̄adaxialglabrousꎬabaxialbrownlanate.Corollaapexyellowꎬobtuseꎬ33.5cm-3.7longꎬcmlongꎬ5-6glabrousꎻmmindiam.ꎻcorollaadaxialtubecylindricꎬlip2 ̄lobedꎬ
2.7-lobesorequalꎬlobesoblongꎬequalꎬobtuseꎬ6-abaxial8×3lip-3 ̄lobedꎬ5-65mmꎬapexlobes×3.6oblongꎬ-4mmꎬroundꎻlobesapexstamensnearlyroundincludedꎬadaxialantherscoherentinpairꎬabaxial
4ꎬantherscorollacmlongꎬtubefreeꎬadnate8adaxial-9mmstamenstofrombaseꎬ1.7abaxial-2cmstamenslongꎬadnate1.6-1.8to
filamentsbescentꎻwhiteꎬslenderꎬcorollalinearꎬtube1.4densely-1.5cmglandular ̄pu ̄
frombaseꎻstaminodeanthersside1ꎬclavateꎬoblongꎬ0.2 ̄loculedꎬ5mmlongꎬdehiscingadnatebroadwiseꎻtoabaxialglandularofcorollalongꎬglabrousꎻpubescentꎻtubenearstyle1ovarybase.-1.2linearPistil2.7-3.0cmlongꎬcmlongꎻwithstigmaridgesꎬ1ꎬ1.7disciformꎬ
-1.8cm5期张亚梅等:网叶马铃苣苔(苦苣苔科)的重新发现以及花的补充描述571
PlateI HolotypeofOreocharisrhytidophyllaC.Y.WuexH.W.Li(KUN0484429)
retuse.Discring ̄shapedꎬyellowishꎬ2-2.1mmhighꎬmarginslightlyundulatewith5irregularlyandshallowlobes.
3.2Additionalspecimensexamined
TownꎬModaoheVillageꎬinbroad ̄leavedforestsꎬ
CHINA.Yunnan:JingdongCountyꎬLingjie
572广 西 植 物39卷
Note:A.LandformꎻB.HabitatꎻC.PlantꎻD.AdaxialleafꎻE.AbaxialleafꎻF.ApexofadaxialleafꎻG.LateralviewofcorollashowingtheglabroussurfaceandcalaxꎻH.Birdviewofopenedcorollashowingtheinteriorsurfaceofcorollatubeꎬstamensꎬfilamentsꎬstaminodeꎬfree
anthersandconnectionanthers(fi.Filamentsꎻst.Staminode)ꎻI.ApexofabaxialleafꎻJ.Pistilwithdisc(pi.Pistilꎻdi.Disc)ꎻK.YoungpistilꎻL.Frontviewofcorollashowingtheadaxialanthersfreeandabaxialantherscoherentinpairs(an.Anthers).
(Scalebars:DꎬE=3cmꎻFꎬGꎬHꎬIꎬJ=2cmꎻKꎬL=1cm)
PlateⅡ OreocharisrhytidophyllaC.Y.WuexH.W.Li(PhotographedbyGuoShiwei)
24°24′57.17″Nꎬ100°38′19.26″Eꎬ2331ma.
s.l.ꎬinflowersꎬ30August2017ꎬS.W.Guo.B201712Januaryꎬ1939ꎬM.K.Li2936(KUN0208330!ꎬ
-1083(KUN!).Thesameplaceꎬ2200ma.s.l.ꎬ
3.3Distributionꎬhabitatandphenology
(Liꎬ1983)isonlyknowninSouthYunnanandgrowsinevergreenanddeciduousbroad ̄leavedmixedca.2331m.FloweringfromAugusttoSeptemberandfruitingfromSeptembertoOctober.
OreocharisrhytidophyllaC.Y.WuexH.W.Li
KUN075288!ꎬKUN075289!).
5期张亚梅等:网叶马铃苣苔(苦苣苔科)的重新发现以及花的补充描述573
References:
CAILꎬHUANGHꎬDAOZLꎬetal.ꎬ2017.Oreocharisparvi ̄floraꎬanewspeciesofGesneriaceaefromnorthwesternYun ̄nanꎬChina[J].Phytotaxaꎬ329(2):167-172.
CHENWHꎬSHUIYMꎬ2006.Ancylostemonhekouensis(Gesne ̄riaceae)ꎬanewspeciesfromYunnanꎬChina[J].AnnBotFennꎬ43:448-450.
HANMQꎬPANBꎬZOULLꎬetal.ꎬ2017.OreocharispurpurataꎬanewspeciesofGesneriaceaefromHunanꎬChina[J].Phyto ̄taxaꎬ328(2):183-188.
LIHWꎬ1983.NotulaeDeGesneraceisYunnanensibus[J].Bullforestꎬonmoistrocksorcliffsatanelevationof
4 Discussion
OreocharisrhytidophyllaC.Y.WuexH.W.Liis
similarvenationtoofO.leavesꎬbenthamiabutitvardiffers.reticulatafromtheDunnlatterinnettedadaxialsurfacestronglybullate(Panꎬ1987ꎻWangbyitsal.ꎬet
toJ.O.1990ꎬhirsuta1998ꎻBarnettLi&WangandO.ꎬ2004).yunnanensisItisalsosimilar
theFreitasantherslattersinbytheitscorollaantherscharactersꎬcoherentinbutpairsitdiffersRossinifrom&2014).Itfreeisalso(Tansimilaretal.ꎬtoO.2013ꎻhekouensisRossiniand(Y.&M.FreitasꎬabaxialW.Shui&
leafH.ticulatebladeꎬChen)abaxialbutMich.itleafdiffersMöillersurfacefrom&theA.(ChenlatterWeberin&itsintheShuiꎬobviouselliptic2006ꎻ
re ̄MöllerAcknowledgementetal.ꎬ2011).
WethankManagingBureau
ofsupportingJingdongourWuliangshanworkintheNationalfield.
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Zhengzhou:OreocharisBenth.Henan[M]//PlantsofMÖELLERnologyPublishnewdelineationMꎬMIDDLETONHouse:14-47.
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OreocharisOreocharisglandulosayunnanensis(ꎬanewTANceae)fromChina[J].Phytotaxaꎬ163(3):180-180.
Gesneria ̄aYHꎬLIJWꎬPANBꎬetal.ꎬ2013.OreocharisglandulosaꎬWANG[J].newWANGWTꎬPhytotaxaꎬspeciesofPAN131ꎬGesneriaceaeKYꎬ29fromsouthernYunnanꎬChinaLI-34.
ZYꎬ1990.Gesneriaceae[M]WANGScienceWT.[M]WTꎬPressꎬFloraPAN69:ReipublicaePopularisSinicae.Beijing://KYꎬ190-LI203.
ZYꎬetal.ꎬ1998.ence/Pressꎻ/WUZYꎬSt.Louis:RAVENMissouriPH.FloraBotGardenꎬofChina.18:Beijing:Gesneriaceae268-272.
Sci ̄
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