STUDIESOFNEOTROPICALCOMPOSITAE-I. NOVELTIESINGALEA,CLIBADIUM,CONYZA,LLERASIA, ANDPLUCHEA John F.Pruski MissouriBotanicalGarden P.O.Box299 St.Lours,Missoun63166-0299,U.S.A. ABSTRACT ThecombinationsGaleamediterranea(Veil.)Pruski(syn.:Galeaplatylepis)andGaleatriantha(Veil.) Pruski,(syn.:Caleahispida)(Heliantheae)areproposedfortwospecieslectotypifiedhereinbyVelloso illustrations.AlectotypeofMeyeriahispidaDC.isdesignated.Akeytothespeciescenteringabout Galeamyrtifoliaisgiven.ClibadiumarriagadaePruski(Heliantheae)fromEcuadorisnamedasa newsegregateolClibadiumpentaneuron.Glibadiumarriagadaeisthesametaxonasrepresented bytheinvalidGlibadiumzakii.GlibadiumarriagadaediffersfromC.pentaneuronbyleafblades palmately3-or5-veinedfromornearbase(vs.subpalmatelyorplinervedfromabovebladebase) andhirsute(vs.strigose)abaxially.Alectotype(I3M-CL1FFfoliopage405,Conyza3)isdesignatedfor GonyzabijronsL.(=InulabifronsL.,Inuleae),andthisname,oncemisappliedtoanAmericanspecies ofPluchea,isexcludedfromthefloraoftheNewVv'orld.ThecombinationConyzapopayanensis (Hieron.)Pruski(Astereae),replacingtheillegitimateConyzauliginosa(Benth.)Cuatr,non.Pers.,is proposed.ThecombinationLlerasiamacroccphala(Rusby)Pruski(Astereae)isvalidatedforaBoliv- ianspeciesoriginallydescribedintribeMutisieae,andLlerasialucidulaistreatedasasynonymof L.macrocephala.PhilipMiller'sConyzabaccharisislectotypifiedandisanearliernameforPluchea rosea.ThecombinationPlucheabaccharis(Mill.)Pruski(Plucheeae)ismadeforthiscoastalplain species,whichoccursfromeasternNorthAmericasouthwardintoNicaragua. RFSUMHN SeproponenlascombinacionesGaleamediterranea(Veil.)Pruski(syn.:Galeaplatylepis)yGalea triantha(Veil.)Pruski,(sin.:Galeahi.spiciti)(llelianlheae)paradosespeciesqueselectotipificanaciui medianteilustracionesdeVefloso.SedesignaunIcctotipoparaMeyeriahispidaDC.Seofreceuna claveparalasespeciesproximasaCaleamyriijolia.GlibadiumarriagadaePruski(Heliantheae)de EcuadorsenombracomounnuevosegregadodeClibadiumpentaneuron.Glibadiumarriagadaees elmismotaxonrepresentadoporelnomhrcinvAWchClibadiumzakii.Clibadiumarriagadaediiiere deCpentaneuronporloslimbosdelashojaspalmatinerviascon365nerviosdesdedelabaseo cerca(vs.subpalmatinerviasotnplmerviasdesdemasarribadelabase)ehirsutas(vs.estrigosas) abaxialmente.Sedesignaunlectotipo(BM-CLiFFfoliopagina^05,Conyza3)paraConyzabi/ronsL. (=InulabiJronsL.,Inuleae),yestenombrc,porhabcrseaplicadoaunaespecieamencanadeFluchca. seexcluyedelafloradelNuevoMundo.SeproponelacombinacionGonyzapopayanensis(Hieron.) Pruski(Astereae),parareemplazaralailegitimaGonyzauliginosa(Benth.)Cuatr,non.Pers.Sevalida lacombinacionLlerasiamacrocephala(Rusby)Pruski(Astereae)paraunaespeciedeBoliviadescrita originalmenteenlatribuMutisieae,yLlerasialucidulasctratacomounsinonimodeL.macrocephah. ConyzabaccharisdePhilipMillerselectotipiiicayesunnombreanteriorparaPluchearosea.Sehace lacombinacionPlucheabaccharis(Mill.)Pruski(Plucheeae)paraestaespeciedelaUanuracostera, queaparecedesdeelEstedeNorteAmericahastaNicaraguaenelSur. SIDA21(4):2023-2037.2005 2024 BRIT.ORG/SIDA21(4) Thepurposeol thisnoteistovahdatenamesinCalcaL.,CUhadiumF.Allam. exL.,Conyzdl^ess.,UcrasiaTriana,andPluchcaCass,neededinvariousfloris- ticworksolNeotropicalCompositaebeingdoneattheMissouriBotanicalGar- den,andtolectotypifyConyzahijronsL.,whichisexcludedIromtheIloraof theAmericas. GALEA JoseVcllosopreparedhlorujlummcm^h,alandmarkflorafortheenvironsof wRiaosdperJiannteeidroi.nB1r8a2z5il(iVnel1l7o9s0o,1b8u2t5)diaenddindi1s8t1ri1bpurtieodrmtoi1t8s2p9u.bTlihceattieoxtn,.hTohweevteerx,t remainsincomplete,treatingspeciescorrespondingtoiconespublishedonly involLimesI-8(8proparte).Notextisavallablelorspeciesi11ustratedvolumc8 (proparte),norlorthoseinvolumesQ-ILTheCompositaecompriseallofvol- ume8andpartofvolume10,buttextisavailableloraboutonlytheIirsthallol the164icones(Velloso1827)publishedinvolume8.The11volumesolfigures aredated1827CVelloso1827),butweredistributedonlyin1831.Thus,1831is takenasthedateofvalidationofspeciesrepresentedonlybythesediagnostic icones,butvvithoutcorrespondingtext.ItistheplatesoltwosuchVellosonames (Figs. 16ir2)thatareclearlyidentifiablewithtwoSouthAmericanspeciesof Calca(fleliantheae;syn.Neurolaeneae),newcombinationslorwhicharcmade below.Notypespecimensol thesetwonamesarcknowntoexist,andconse- quentlytheillustrationsaredesignatedastheIcctotypes. Galeaniedilcrranea(Veil.)Pruski,comb.nov.(Fig.l).liuphlhalnuDunh-diifnaucum Veil.,Fl.Fluinin.(Icones)8:r1n1827fl8yi|.Ij-xtotypi^(designatedhere):i.1]\Veil..M. idnmin.(icones)8.1827fl831[, CliIclii'IiU\l1711sSchLdtz-Bi|i.e.\BakerinMarcius,Fl,hr,is,6C5):2(i7,1884.l.ectoiyiiil'icaiioniVom amongIheilozcnorsos\'nty|X\sisdeterred Distributionandecology—Calcamcditcrranca(Veil.)Pruskiisaxylopodialsub- shrubfloweringfromOctobertoApril.ItoccursmtheBrazilianplanaltosouth- wardsintoParaguayandnorthernArgentina. CAtlcalucditcrrancaisamemberol Calcasect.Haplocalca(Less.)Pruski (Pruski1998subCalcapkUylcpis),andiscloselyrelatedtoC.cymosaLess.,the typeol thesection.Thissectionischaracterizedbygenerallywhorledleaves andumbellilormcapitulesccnces.CalcamcditciriineadialersIromCcymosa Less,bynarrower,pubescent,pinnatelyveined(vs.broader,nearlyglabrous,3- or5-plinerved)leavesandbylanceolate,pubescent(vs.ovate,glabrous)outer phyllaries.Additionally,thelowermostwhorlofleavesinC.mcditcrrancais oftenreduced,asillustratedbyVelloso(1827),afeaturenottypicalolC.cymosa. TheradiatecapitulaolC.mcditcrrancaandCcymosadistinguisheachofthem fromtheotherwisecloselyrelatedChasslcrianaChod.andCreticiilataGard- ner(syn.hhtbyothcrctcrnijolia13aker),whichhavediscoidcapitula. PRUSKI,STUDIESOFNEOTROPICALCOMPOSITAE 2025 h^ «][jip.![-i(;thah.Mirmi mmimiTmimiANWAui! Fig.1.LectotypeofBuphthalmummediterraneumVeil.[=Caleamediterranea(Veil.)Pruski],fromVelloso,Fl.Flumin. (kones)8:1.135.1827[1831]. 2026 BRIT.ORG/SIDA21(4) A.S'Str\MiiS\IyS.I'1ll'I'\li»MAS:II^|'MIM'-MfH's ('I'lIi!*(.) Fig.2.LectotypeoiAstertrianthuiVeil.[=Caleatriantha(Veil.)Pruski],fromVelloso,Fl.Flumin.(Icones)8:1.120.1827 [1831]. PRUSKI,STUDIESOFNEOTROPICALCOMPOSITAE 2027 Galeatriantha(Veil.)Pruski,comb.nov.(Fig.2),AstertrianthusVeil,Fl.Flumin.(Icones) 8:1.120,182711831].Lectotypt^(designatedhere):1.120,Veil,Fl.Flumin.(Icones)8.182711831|. MeyenahispidaDC,Prod.5:671.1836.Galeahispida(DC.)BakerinMartins,Fl,Bras,6(3):26L 1884,Lectotype(chosenherefromamongsyntypes):BRAZIL:SAOPaulo,campiseditis,Nov. 1833,Lund866(lectotype:G-DC[IDCmicrofiche800.975.111.3];isolectotypes:C-4,S).The G-DClectotypealsohasasmalltwigofH.Imp.Bras.i05mountedtothelowerrightofthe Lundcollection.[Lectoparatype:Herb.ImperialBrasil(probablyVauthier)405:G-DC(frag- mentofasheetfromP),F(fragmentofasheetfromP),P-2,] Distributionandecology.—Galeatriantha(Veil.)Pruskiisasubshrubtoshrub endemictoBrazil,whereitiscenteredmthestateofParana.Itisknowntoflower fromDecembertoApril. Galeatrianthaisoneof13speciesoftheCmyrtifoliaDC.speciesgroup (sensuPruski1984;Pruski&Urbatsch1988)ofGaleasectionMeyeria(DC.) mBeenmtbh.er&sHoofotkh.ifs.gPrrouuspk.iTahnedirUkrebaytisscrhev(i1s9e8d8h)eprerionv,iidnecdoarpkoeryattointghethtehaebno-vkennoewwn synonymyandC.semiriiPruski&Hind,whichwasdescribedsubsequently (Pruski&Hind1998). keytothespeciescenteringaboutgaleamyrtifolia (galeasect,meyeria) 1. Leavesglabrous.entire,marginsthickened(SaoPauloandParana,Brazil) Galeamarginata S.F.Blake 1. Leavesglabroustohispid,entiretoserrate,marginsnotthickened. 2. Leaveslanceolate,ca.6-12cmlong,venationparallel,ca.3-7-veined(Goias, Brazil)^__ GaleanervosaBarroso 2 Leaveslanceolatetocordate,lessthan6.5cmlong,venationpinnatetotrinervate. 3. Capitulaoneperbranch. 4 Leaveslanceolate-elliptic,foveolatebelow(SaoPauloandParana,Brazil) Galeaparvifolia(DC.)Baker 4. Leaveselliptic-ovate,smoothbelow. 5. Peduncleca.8-15cmlong(ParanaandSantaCatarina,Brazil) Galeailienii Malme 5. Peduncleca.1.5-6cmlong(Parana,Brazil) GaleamonocephalaDusen 3. Capitulescencecymose. 6. Leaveswhorled, 7. Leavesgenerallyfourpernode,essentiallysessile,smooth,pinnate;pe- duncles3-15cmlong;raycorollalimb5-13-nerved;outerphyllaries andleavesgreenbelow;pappusscalessubequalinlength(Distrito FederalandGoias,Brazil) GaleaquadrifoliaPruski&Urbatsch 7. Leavesgenerallythreepernode,shortlypetiolate,rugulose,trinervate; peduncles0.5-6cmlong;raycorollalimb5-nerved;outerphyllariesand leavesrust-coloredbelow,lesscommonlygreen;pappusscalesslightly togreatlyunequalinlength(MinasGerais,Brazil). 8. Leavesadaxiallyglabrousornearlyso;involucrescampanulateto hemispherical;outermostphyllariesatleastapicallyherbaceous, aboutaslongasthenextseries;raycorollasyellow,tube2.7-3.5mm long,limb12-14.5mmlong,commonlyabaxiallyglandular;disk 2028 BRIT.ORG/SIDA21(4) corollatubeshorterthanthethroat;cypselae2.5-3.2mmlong,with 1-3pappusscalesoftenmuchlongerthantheothers Galeaheteropappa Pruski&Urbatsch 8. Leavesadaxiallyhispiduloustosparselypilose;involucresturbinate tocylindrical;outermostphyllariesmostlyscarious,usuallymuch shorterthanthenextseries;raycorollaspaleyellow,tube3.6-4.5mm long,limb7-8.5mmlong,abaxiallyeglandular;diskcorollatubeabout as-long-asthethroat;cypselae3.8-4.8mmlong,pappusscalesgen- erallyslightlyunegual GaleasemiriiPruski&Hind 6. Leavesopposite. 9. Leavesovale,hispiduloustohispid,serrate,basallycordate,usuallyshorter than2.5cm(MinasGeraissouthtoSantaCatarina,Brazil;syn.nov.Co/ea hispida) Galeatriantha(Veil.)Pruski 9. Leaveselliptictoelliptic-ovate,glabroustopubescent,entiretoserrate, basallycuneate,longerthan2.5cm. 10. Leavesto3.5cmwide,shinyserrate,glabrous;foliaceousouterphyl- lariesserrulate(Paraguay) GaleachodatiiHassler 10. Leaveslessthan2.5cmwide,somewhatshinyornot,entiretoser- rulate,glandularorpuberulent;foliaceousouterphyllariesentire. 11. Leavesnarrowlyelliptic;capitulaca.65-flowered;raycorollalimb 8-10-nerved;diskcorollalobeslongerthan1.5mm;cypselae glabrous(RioGrandedoSul,BrazilandUiuguay) Galeakristiniae Pruski 11. Leaveselliptictobroadlyelliptic;capitulaca.35-flowered;ray corollalimb5(-7)-nerved;diskcorollalobesshorterthan1.5mm; cypselaepubescentonangles. 12. Leavesentire,ca.1.5cmwide(MinasGeraissouthtoRio GrandedoSul,Brazil) Galeamyrtifolia(DC.)Baker 12. Leavesserrulate.toca.2.5cmwide(coastalSaoPaulosouth toRioGrandedoSul,Brazil) GaleaphyllolepisBaker CLIBADIUM Arriagada (19^5) provided an overview of CUbadnim (Compositae: Helianthcae),iricludingfullsynonymyandakeytospecies.Inthisoverview, ArriagadareducedtosynonyinyalllournorthernSouthAmericannamesof ClihadiumproposedbyRobinson(19Q2).AmonographofClihadiumhasnow beenpublished(Arriagada2003),andagainallnamesmClibadiumproposed byRobinsonCIW2)arclistedassynonyms.IagreewithArriagada(f995,2003) thatC.pentaneuronS.F.BlakeincludesthesynonymousCfunkiaeH.Rob.;C. C/cinxaupmoSe.nEsBclHa.keRionbc.luTdheuss,C.ct/h/rc;eten/)v!al1i1.dRloyb.d;esacnrdiCb.e^dg/suphercciserscnisnS.RF.oBbliankseoinnc(l1u9d9e2s) areencompassedwithinmorewidespreadtaxa,theseoriginallydescribedby Blakeinthe1920sandf930s.Afourthname(Czakii)inRobinson(1992)was basedonZak&JcifamiUo2881(MO,US)butwithout"thesingleherbarium" housingtheholotypebeing"specified."Thisnameisconsequentlyinvalid(Art. 37.boi theCode,Greuteretal.2000)anddoesnotexistnomenclaturally.This plantbelongingtoClihadiumsectionClibadiumisvahdatedherewithanew PRUSKI,STUDIESOFNEOTROPICALCOMPOSITAE 2029 typecollectionandanewepithethonoringmyfriendDr.JorgeArriagada,the monographerofthegenus. ClibadiumarriagadaePruski,sp.nov.(Fig.3).Type;ECUADOR.CoTorA.xi:roadbetween Quevedo&Lacacunga,76kmHoiQuevedo,0°57'S,79°0rW,2300m,5Apr1983,Croal55804 (HOI-OTYPH:MO;LSOTYPE:QCNF). ACpentcuieuronallinis.sedlammacpulmativenosaedionsubpalmativenosaevelpinnativenosae), rotundataveltruncata(noncuneata),etsubtushirsuta(nonstrigosa)diversa. Shrubstoca.2mtall;stemssometimesvmmg,subteretetosubhexagonal,hir- sutulous.Leavessimple,opposite,petiolate;petioles0.8-3.5cmlong,hirsute; bladesbroadlyovate,4-15.5cm long,2-11cmwide,stifflychartaceous,pal- mately3-or5-veinedfromornearbase,secondaryandtertiaryreticulation prominent,baseroundedtotruncate,marginsserrulate,apexacutetoacumi- nate,theadaxialsurfacescabrid,hirsutulous,theabaxialsurface hirsute, eglandular.Capilulescenceterminal,many-headed,looselycorymbilormpan- iculate,branches2-14cmlong,hirsute,ultimatebranchingtrichotomous.Ca- pitula10-12-flowered,disciform,shortlypedunculate,4-5mmtall;involucre hemispherical;phyllariesca.3-seriate,subequaltoweaklygraduated,stiffly chartaceous,weakly3-5-veinedadaxially,apicallyhirsutulous,otherwisegla- brous,toca.4.5mmlong,2-2.5mmwide,outeronespyriform,apicallyacuteto acuminate,mid-seriesandinneronesovate,apicallyobtusetorounded;recep- tchaai.crls3eumtcuomlnovulesox,n-gco,nowene-ibcarakallc,ytetcooolncaadt.uep,1lmibcrmaacttebe;ropolaeedd,luanwncceleaeokslla1yt-e2,pam1l-ema2teml;omnpga,lltoeenargee,tleh,aingrcsleuaotblera.oteMu,sartt-oo ginalfloretsuniseriate,pistillate,5or6,mostlyincludedwithininvolucre;co- rdoulllaarcat.r2icmhommelso,ngm,itnuubtuellayrccar.e3a-mlo-bceodl,orsetdy,leapbicraalnlcyhpeislocas.ul1osmemwitlohngn,onw-egalkalny- exserted.Diskfloretsfunctionallystaminate,5or6,mostlyincludedwithin involucre;corollabroadlyfunnelform,ca.2.5mmlong,cream-colored,5-lobed, lobesdeltoid,erect,0.5-0.9mmlong,pilosulosewithnon-glandulartrichomes; anthersgenerallyincluded,toca.1.7mmlong,darkgreenishtoblack,append- ageelongatedbutnotgreatlysculptured,basallyshort-sagittate,filamentsca. 0.3mmlong;styleundivided,apexoftenexsertedfromcorolla;ovaryrudimen- taryCypselaeoblong,flattened,2-2.5mmlong,apicallypapillose,otherwise glabrousornearlyso,epappose. Par.atype:ECUADOR.Bolivar:CarreteraChillanes-Bucay,enlahaciendaTiquibuso"del5r.Gonzalo Gomez,1°55'S,79°0TW,2100m,10Sep1987.Zak&JaramiUo2881(EMO,US). Distnhuiwnandecolog_y.—ThisspeciesisknownonlyfromthePacificdrain- ageslopesoftheAndesinBolivarandCotopaxi,EcuadorIthasbeencollected inflowermAprilandSeptemberfrom2100-2300meterselevation. ClihadiumarriagadaediffersfromCpentaneuronbyleafbladesmostly palmately3-or5-veinedfromornearbase(vs.subpalmatelyorplinervedfrom 2030 BRIT.ORG/SIDA21(4) ** .^ ':A. '^. lifrt-.rf-.' ',': ::;t.m.'^;" /.:^•J4i,> Fig.l.ClibadiumarriagadaePruski.Above:Branchesofcapitulescenceshowingpatent(notstrigose)indumentum.Be- low:Abaxialsurfaceofleafshowingtrinervedvenationfromverybaseofblade.(Photographsoftheholotype,Croat 55804,m). PRUSKI,STUDIESOFNEOTROPICALCOMPOSITAE 2031 wellabovebladebase),theserounded(vs.cuneate)basallyandhirsute(vs.stri- gose)abaxially.ThetypesoftheC.funkiaeH.Rob.,C.piJeoruhrumCuatrec,C. sarmentosumCuatrec,andCscandensCuatrec.eachhaveleavesstrigose abaxiallyandthesefournamesareacceptedassynonymsofC.pentaneuron,as proposedbyArriagada(1995,2003).ThestemsofCarriagadaearehirsutulous throughout,thusdifferingfromthoseo[C.pentaneuron(EcuadorandColom^ bia),whicharesometimesstrigose. Arriagada(1995,2003)reducedC.funhiae(Antioquia,Colombia)tosyn- omntyhmeypholylCl.apreinetsasnoeumreonm.atAetrioanleIproionmt,AIntthioouqguhitatahnadttmheFporroermoineetnatl.r2e2s7in9d(uMcOt;s Choco,ColombianearborderwiththenorthernlimitsofValle,Colombia)could beusedtodistinguishthismaterialfromthegenerallymoresouthernC. pentaneuron.However,thecollectionfromChocoisnearthecenterofdistribu- tionofC.pentaneuron,andothermaterialofCpentaneuronfromAntioquia lackstheprominentphyllaryresinducts.Thus,thereseemstobenomeaning- fulmorphologicalfeaturesthatonecouldusetosplittheColombiamaterialof C.pentaneuronintomorethanasingletaxon.Indeed,thiswastheobservation ot Arriagada(1995,2003),themonographerwhoreducedCfunkiactosyn- onymy.Moreover,nocaseiorgeographicseparationofC.funkiacasdistinct fromC.pentaneuroncanbemade.Thus,1recognizeCpentaneuroninaslightly narrowerconceptthandoes Arriagada(1995,2003),and segregateonly Clihadiumarriagadaefromit. ThemorphologicaldistinctionsamongrelativesolC.pentaneuronarepro- videdbelowinthekeytospecies,whichmodifiescouplet#27ol Arriagada (1995,2003). KEYTOTHESPECIESCENTERINGABOUTCLIBADIUMPENTANEURON 27. Abaxialleafsurfacehirsute;leafbladegeneiallypalmatelyveinedfromornear base(Ecuador) ClibadiumarriagadaePruski 27. Abaxialleafsurfacegenerallystrigose;leafbladepinnatelyveinedorifplinerved thenfromwellabovebase, 27.1 Mostphyllariesapicallyacutetoacuminate;capituta24-28Tlowered; marginalflorets9-13;diskfloretsca.15(Ecuador) ClibadiummanabienseH.Rob. 27.1 Mostphyllariesapicallyobtusetoacute;capitula10-14-flowered;marginal florets5or6;diskflorets5-8(ColombiaandEcuador) Clibadiumpentaneuron S.RBlake CONYZA ConyzahifronsL.(=InulahifronsL.,Inuleae)islectotypifieduponmaterialfrom theOldWorld,andthisnameisthusexcludedfromthefloraoftheNewWorld. ThenewcombinationC.popayanensis(Hieron.)Pruski(Astercae)fromthe AndesisproposedtoreplacetheillegitimateCuliginosa(Benth.)Cuatr.,non Pers.AlthoughCprimulifoha(Lam.)Cuatrec.(whichincludesasasynonym 2032 BRIT.ORG/SIDA21(4) C.chilensisSpreng.,thetypeolConyza)wastranslerredtollrigcwn1..byGrcutcr (2003),1recognizeConyzciatthegenericrank. Inulabifrons1^.,Sp.Pi.(ed.2)123t).1763.Liitotyi'i;(designatedbyAnderberg,Taxon47;](il 1998):EUROPE:"HabitaiinItalia.Gallopiovmcia,Pyrenaeis,"siii,(o/l,UJNN99111|I1X:mi- crofiche177.577.11^1). ConyzahijionsL,var,bijrons,Sp,I'l,Hol.17't1/'liKlictiIx/khi.s(L.)IX:.,I'rodr.5:4511830.iJitTO- TVi'i;(designatedhere):EURC^PP:"liabitainiPyrenaeis,Canada,".sin.coll.(BM-CI.IPl-li)lio page405,C-onyzaMbarcodel^MOOOC>47(H3|.photograpinMO). Conyzaln/ran,svar/IdsiiilosiJI,,Sp.PL862.1753.iJ-CTOTYPli(designatedbyReveal,Taxon47:358. 19Q8):PDROPI':"llabitatinPyrenaeis,C;anada."siii.coll(BM-S1X:)ANEvol.96,page2(^). Conyzabijnins\-ar.iiiduita1,,Sp14,861.1753.Pi-cTtiTM'i-(designatedbyAnderbcrg.T;ixon47:358. 1998):I.127as"Conyzapyiacnaaa/(i/iis/'iniiidtu-\'cirs"inHermann.Parati.Bat,127.1698. DisU'ibuiionandecology—Inulabijroiisisasummerfloweringherbto1mtall. ItoccursIromthePyreneesol southernFranceeastwardsintoRomaniaand Bulgaria(Tutinetal.1976). Linnaeus(17'53)namedConyzahifwnsL.andtwovarietiesofit,givingthe locaHtyo("HabitatinPyrenaeis,Canada"torallthreenames.Later,Linnaeus (1763;1207)treatedC.bifronsasbeingsolelyAmericanandrepresented by Plukenetplate87figure4(1705),thoughttohavebeendrawnfromCanadian material,whereassimultaneouslyLinnaeusproposedtheheterotypicInula biIronsL.(1763:1236),withsimilarauriculate-claspmgleaves,tortheLuropean elements.Phuhcabijrons{\-.)DC.(Plucheeae)wasmisappliedtomaterial1rom theAmericasbyCandolle(1836),asnotedbyGodfrey(1952),whousedthename P.joclida(L.)DC.forAmericanplantsformerlycalledP.bifrons.Gray(1884:225) notedthatthePlukenetplatewasdrawnIrommaterialcollectedini:urope,not Canada;thusnooriginalmaterialol eitherC.bifronsL.orI.bijronsL.isIrom theAmericas. Conyzabijrons]^.,however,hasnotpreviouslybeenlectotypilied(C.Jarvis, pcrs,comm.).Linnaeus(1763)restrictedtheconceptCbifrons(1753)toplants hethoughttobeAmerican,thuspotentialformisapplicationol thisnameto plantstromtheAmericasremams.BecauseLinnaeus(1753,1763)citedapoly- nomialIromLinnaeus(,1737),CbijronsL.islectotypiliedherebyaspecimenin theClillordherbarium,thisspecimen referabletaxonomicallyto/.bifronsL. (.Inulcac).ConyzabifronsL.isthusexcludedlonnallyfromthefloraoltheNew World,inagreementwithGodlrey(1952)andTutinetal.(1976). ThenameC.uliginosa(Benth.)Cuatrec,usedforanorthernAndeanherb (e.g.,Aristeguieta1964;Cuatrecasas1967;Jorgensen&Leon-Yanez1999),isan illegitimatelaterhomonymofC.uliy^mosaPers.,Synops.2:427.1807.Anew combinationbasedontheseniorsynonymgivenbyCuatrecasas(1969)isthus pro I Conyzapopayanensis(Hieron.)Pruski,comb.nov.lirigeionpopayancnsisPiieron.,Bot. JahrbSyst,28:586,1901,1vrr:C:OPOMBlA,t;.-\UC.'\:ParamodeGuanacas,Andiiimcentralium