NEW COMBINATIONS IN EUTROCHIUM (ASTERACEAE: EUPATORIEAE), AN EARLIER NAME THAN EUPATORIADELPHUS

2004·0.77 MB·English

by  Eric E Lamont

NEWCOMBINATIONSINEUTROCHIUM
(ASTERACEAE:EUPATORIEAE),ANEARLIERNAME
THANEUPATORIADELPHUS
EricE.Lamont
HonoraryResearchAssociate
InstituteofSystematicBotany
TheNewYorl<BotanicalGarden
Bronx,NewYork10458,U.S.A.
ABSTRACT
Thefollowingnewcombinationsareproposed:Eutrochiumduhium,EutwchiumJistulosum,
Eutrochiummaculatum,Eutrochiummaculatumvar.hruneri,Eutrochiummaculatumvar.Joliosum,
Eutrochiumpurpureum,Eutrochiumpurpureumvarholzingeri,andEutrochiumsteelei.
RESUMEN
Seproponenlassiguientescombinacionesnuevas:Eutrochiumduhium,EutrochiumJistulosum,
Eutrochiummaculatum,Eutrochiummaculatumvar.hruneri,Eutrochiummaculatumvar.Joliosum,
Eutrochiumpurpureum,Eutrochiumpurpureumvar,holzingeri.yEutrochiumstcelei.
PlantsknownasJoe-PyeweedshavebeenlongtreatedinEupatoriumL.(Lament
1995).Sometimes,theyhavebeentreatedasgenericallydistinct,asmembersof
EupatoriadelphusR.M.King&H.Robinson(1970).Recentstudiesbasedon
chloroplastDNA(cpDNA)restrictionsiteanalysis(Schillingetal.1999)and
nuclearinternaltranscribedspacer(ITS)sequencedata(Schmidt&Schilling
2000) have been interpreted as providing support for recognizing
Eupatoriadelphusasdistinct.Iftreatedasdistinctatgenericrank,anearlier
nameshouldbeusedforthegroup,EutrochiumRaf.
EutrochiumRaf.,NewFl.4:78.183611838].Type:Eutrochiumpurpureum(L.)E.E.Lament
(Lectotype.heredesignated).
ThefollowingnewcombinationsareneededfortreatmentofJoe-Pyeweedsas
membersofEutrochiuminaforthcomingvolumeofFloraofNorthAmerica
NorthofMexico.
Eutrochiumduhium(Willd.exPoiret)E.E.Lament,comb.nov.Basionym:Eupato-
riumduhiumWilld.exPoiretinj.Lamarcketal..Encycl.Suppl.2:606.1811.£upat(!riaiieiphu.s
duhius{Willd.exPoiret)R.M.King&H,Robinson,Phytologia19:432.1970.
Eutrochiumfistulosum(Barratt)E.E.Lamont,comb.nov.Basionym:Eupatorium
J1i8s4t9u.lEouspuamtBoarriraatdte,lpEhuupsatfiosrliualoVseursti(cBialrlraattat)noR..1M,1K8i4n1;gi&nAH.,RWooboidn,soCnl,asPsh-ybtooolkogBioat.,19e:d4.321,0,1937104.,
SIOA21(2):901-902.2004
902 BRIT.ORG/SIDA21(2)
Eutrochiummaculatum(1.)E.F..Lamont,comb.nov.Basionym:Eupatonumnuuulalum
L.,Cent.Pi.1,27.1755.liitjhHonadclphus)7i(((i(l(i(n.s-(l..)R.MKin^i;6TH.Rohiii.son,l^'hyiologia
19:432.1970.
Eutrochiummaculatum(L.)E.E.Lamontvar.bruneriCA.Gray)E.E.Lamont,comb.
nov.B.AsiONVM:liitpiitoriumhruneriA.GrayinA.Grayctal.,Syn.Fl.N.Amer.1(2):96.1884.
&iiuHp.alRtoubhnhilscolnp.huPshyHtiioilioigdiiKan.4s5:U465),R.1M9.80K.inj;iSr11 RoliinsonvarCrimen(A.Gra\-)R.M,King
Eutrochiummaculatum(L.)E.E.Lamontvar.foliosumCLernald)E.E.Lamont,
comb.no\'.BA.SlONVM:i:u;i(i((]Mi(mpurpiticumI.,var,/olio.suoiI'crnald,Rliodora10:8(->,1908.
liiipdlorimuluacuialum1.,var./oliii.siuiiUa-riiald)WIrgand.Rhocl(")i"a22:t)(i.1920.
Eutrochiumpurpureum(L.)E.E.Lamont,comb.nov.BASKwyKi.tAipiitonumpuipiiicum
1...Sp.Pi.858,1753,Cinii^ijimJifpuvpiDCd(\..)Lunell,Amer.Midi.Naturalist5:V5.1917.
l:iip(ilor\(idclpbuspu}'pui'cus[]-.)R.M.Kingt'^rH.Rohin.son,Phyttilogia19:432.1970.
Eutrochiumpurpureum(L.)E.E.Lamont\'arholzingeriCRydberg)E.E.Lamont,
comb.nov.Basionvm:hupatonumbolziu^^cviRydberg,Bnttonia1:97.1931.Uupntonuin
puipureum1..var.holzingeri(Rydberg)F..H.Lamont,Phytologia69:468.199011991].
Eutrochiumsteelei(E.E.I.amont)E.E.Lamont,comb.nov.Basionym:Eupatoiiumstcdci
i;.l:.I.amoiit.Brittonia42:279.1990.Eupalonaddphus^ledei(H.F.Lamont)G.J.Schmidt&r
E.L.Schilling,Amer.J.Bot.87:726,2000,
AC;i<NOWLLDGMENTS
Appreciation isexpressedtoGeorge Yatskie\'ych (orcaUingattention to
EutrochiumRal.beingtheoldestvalidlypublishedgenericnametorthejoe-
Pyeweeds;HaroldRobinsonforsharinghisinsightiritothetaxonomyofEupa^
lorium,tupaloriaddphus,andlintrochium;JohnStrothcrandGuyNesomfor
rcvievvntganearlierdraftofthismanuscript;andBarneyl^ipscombforexpe-
ditmgpublicationofthesenewnomenclaturalcombinations.
RLFRRLNCHS
King,R.M.andH.Robinson.1970.StudiesinEupatorieae(Compositae).XXV.Anewgenus,
fuparor/ade/p/ius.Phytologia19:431-432.
Lamoni,E.E.1995.TaxonomyofEupatoriumsectionVerticlllala(Asteraceae).Mem.New
YorkBot.Gard.72:1-68.
ScHiLiiNL,,E.E.,J.LPANFRO,andRB.Cck.1999.ChloropiastDNArestrictionsitedatasupporta
narrowedinterpretationofEupatorium(Asteraceae).PI.Syst.Evol.219:209-223.
ScHMiDi,G.J.and E.E.Scuminc.2000.Phylogenyand biogeographyofEupatorium
(Asteraceae:Eupatorieae)basedonnuclearITSsequencedata.Amer.J.Bot.87:716-
726.