New taxa of Justicia (Acanthaceae) from southern Mexico and Guatemala

2007·5.9 MB·English

by  Thomas Daniel

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Contr.Univ.MichiganHerb.25:179-189.2007.
NEWTAXAOFJUSTICIA(ACANTHACEAE)FROM
SOUTHERNMEXICOANDGUATEMALA
ThomasF.Daniel
DepartmentofBotany
CaliforniaAcademyofSciences
875HowardStreet
SanFrancisco,California94103
Abstract. FournewlaxaofJusdcia(Acanthaceae) aredescribedfromsouthernMexicoand
adjacentGuatemala:/cymuliferafromtheUxpanaparegionofVeracruzwithanunusualinflorescence,
J.karsticolafromtheUxpanaparegionwithheteromorphicfloralbracts,/,mayafromChiapasconsisting
ofplantsthatwerepreviouslyincludedin/herpetacanthoides,and/campecliianasubsp.vestitafrom
ChiapasandGuatemalathatdiffersfromthenominatesubspeciesprimarilybypubescencecharacters.
Imagesandmapsaccompanythedescriptionsanddiscussionsofthesetaxa.
JusdciaL.isthelargestgenusofAcanthaceaewithmorethan700speciescur-
rentlyrecognizedworldwide.Theseincludesome100speciesfromMexico(Daniel,
unpubl.).RecentstudiesofAcanthaceae,especiallyfromsouthernMexico,continue
torevealundescribedtaxainthisremarkablyspecies-richgenus(e.g.,Daniel 1999,
2002,2003;Daniel etal.2005).Infact,22species ofJusticiaweredescribedfrom
Mexicobetween1995and2006(IPNI2006),andatleast10othersawaitpublication.
FouradditionaltaxaofJusticiaareherewithproposedfromsouthernMexicoand
Guatemala.
JusticiacymuliferaTF.Daniel,sp.nov. Type:Mexico.Veracruz:Mpio.Minatitlan,
2kmNdeUxpanapa(Fob.12)sobrecaminoalFob.13,17°14'N,94°13'W,
130m,arroyosecoenselvaaltaperennifoliaperturbada,17May 1983,
T.Wendtetal.4103(holotype:CAS!;isotype:CHAPA). Fig.1
Herbae perennes vel frutices. Foha petiolata; laminae anguste ellipticae vel
oblanceolatae,100-265mmlongae,23-71mmlatae,3-5.5-plolongioresquamlatio-
rpeesd.uTnhcyurlsaitaveel;tchyymrusloareumbrpaacntiecoullaaeeecxytmeurlniafeerdaee;hactyameulvaeelc1o-r3daitnaaex,il1h0s-b2r0acmtmearluomn,-
gae,7-14mm latae.Calyx 5-5.2mm longus.Corolla aurantiaca-rubra,33-35 mm
longa,extuspubescenstrichomatibuseglandulosis.Staminathecis1.9-2.2mmlongis,
impariterinsertis,thecasuperadorsaliterpubescenti,thecainfernabasicalcarata;
poUinisgrana3-aperturata.Capsulaignota.
Perennialherbstoshrubsto3m.Youngstemssubteretetoquadrate-sulcate,±
scurfy(ortheepidermisbecoming±scaly),apparentlydevoidoftrichomes.Leaves
petiolate,petiolesto20mmlong,bladesnarrowlyelliptictooblanceolate,100-265
mmlong,23-71mmwide,3-5.5timeslongerthanwide,acuminateatapex,attenuate
atbase,surfaceslackingtrichomesbut±scurfy,marginentiretosubsinuate.Inflo-
rescenceofaxillary(orterminal)pedunculatethyrsesorpaniclesofthyrsesto220
mmlong(excludingflowers)bearingcymules(with2innerand2outerbracteoles
forminganinvolucreatbaseofflower),pedunclesto95mmlong,bifariouslypubes-
mm
centwitherecttoflexuosetoretrorseeglandulartrichomes0.1-0.3 long,rachis
pubescentlikepeduncles;bractscaducous,subfoliose,lance-ovate,13-16mmlong.
179
180 CONIR.UNIVERSITYOFMICHIGANHERBARIUM VOLUME23
ct(d.4F1I0G3.).1.XJi1t.s2t.icc.iaCc\yminuildcifcwriat.ha.onHealioiutte(rWebnrdacileelolalc.4r1em70o)v.exdO,.4s.hbo.wIinnfgloardeasxcieanjcesunrofdaecewiotfhthleloowtehrer{Woeuntdetr
bracteole,innercynuilebracteoles,andcalyx{Wendtctid.4103).xl.9.d.Distalportionofstamenwith
anther{Wendteiid.4103).x10,7.
3-5mmwide,abaxialsurface+scurfy,lackingtrichomes:cymulesoppositeatbracteal
nodes,1-3peraxil,pedunculate,peduncles3-13mmlong,pubescentlikerachis;outer
cymulebracteolesdebatetocordate, 10-20mmlong,7-14mmwide,subcordateto
cordateatbase,abaxialsurfaceglabrous;innercymulebracteoleslance-ovate,6.5-14
Cmamlyxlo5n-gl,ob2e^d.,55-m5.m2mwimde,lonagb,axtiuables0u.r6f-a1cemmglalbornogu,s.loFbelsowlearnsceo1lapteer,4c-y4m.u6lem,mseslsoinlge,.
p1u-1b.e1scmenmtwwiidteh,earbecatxitaollfylegxluaobsreouesg.laCnodruollalratorriacnhgoem-ersed0..13-30-.325mmmmlolnogn,g,tuebxete2r0namllmy
long,± graduallyexpandedfrombase,upper lip 14-15 mmlong,2-lobed atapex,
mloebnesst1o3-01.53mmmmlloonngg,,lfiolwaemrenltips1p2ubmesmcelnotngw,iltohbeesgl1a.n3d-ufl.a5rmtmriclhoonmge,s1,mthmecaweide1..9S-t2a.-2
mm
long,subequal(lowerthecaslightlylongerthanuppertheca),subperpendicular
toparallel,unequallyinserted(overlappingby 1 mm),upperthecadorsallypubes-
centwitheglandulartrichomes,lowerthecawithabluntbasalappendage0.2-0.3
mm
insullaoeng(;inpvoalrlieonus(Fisgt.ag2eas-do)fd3i-satpienrcttunersast)e,,eaxpienreturreteiscufllaatne.keSdtyolne3e5acmhmsidleonbg,yg1larborwouosf
distally,stigma0.2mmlong.Capsulesnotseen.
2007 DANIEL:NEWTAXAOFJUSTICIA 181
Fig.2.Scanningelectronmicrographsofpollen,a-d.Justiciacymulifera(Wetultelal.4103).a.Apcr-
turalviewwith±discreteinsulae.b.Aperturalviewwith"coalescedinsulae."c.Interaperturalview.d.Polar
view.e-f.Justiciacampechianasubsp.vestita(Miranda5860).e.Aperturalview.f.Interaperturalview.g-h.
.Iiisticiamaya(Breedlove&Daniel71004).g.Aperturalview.h.Interaperturalview.i.Justiciakarsticola
{Wendtetal.2994),interaperturalview.Scales=5|im.
Phenology.Flowering;May;fruiting;unknown.
Distribution(Fig.3).KnownonlyfromsouthernVeracruzwhereplantsoccurin
lowlandrainforestsoftheUxpanaparegionatelevationsof130to450m.
182 CONTR.UNIVERSITYOFMICHIGANHERBARIUM VOLUME25
\ ^' 931" c90i" 817'
J.cymulifera /A; /1 21°-
J.karsticola
''?\
J.maya \.
1 "'" ?
y C ::.. ^--—.- J\ 18°-
\
^-
IS'-
^O^
200kilometers ^
FIG.3.Distributit)noiJiisticiacyiuiiUfera.J.karsdcola.and/niiiya.
Paratyi'i.Mexico.Vkracriz:Mpio.Minatillan.GcrroBlanco,ca.7kmNEdcU.xpanapaenel
caminoaFob.l.\17°14'N.94°09'\V,T.Wend!etal.4170(CAS).
JiisticiacymidiferacanbedistinguishedfromotherspeciesofJusticiainMexico
by its peduncLihite cymulcs (with the outercymule bracteolesdeltate tocordate)
bearingrelativelylong,orange-redcorollas.Superficiallyitresemblesseveralspecies
ofDklipteradue tothe presence ofsimilarcymules. Itcan be distinguished from
speciesofthatgenusbyitsyoungstems,whicharesubteretetoquadrate-sulcate(vs.
generally hexagonal in Dicliptera),lowerthecawith aconspicuous basal append-
age(vs.basalappendagesabsentinDicliptera),andpollenwithinsulaepresent(vs.
insulaeabsentinDicliptera).Althoughcapsulesremainunknown for./.cymulifera.
in capsules ofJusticia the placentas do not separate from the inner capsule wall
as they do in Dicliptera. A morphologically similarspecies that occurs at higher
elevations (ca. 1200m) in Guatemala,/peclicellata D.N.Gibson,also hassimilar
cymules.3-aperturatepollen (withaperturesflankedbyasinglerowofinsulaeon
eachside),andrelativelylong,redcorollas.Capsulesareknownforthatspecies,and
theyresemblethosefoundinotherspeciesoiJusiiciaratherthanthoseofDicliptera.
Thesetwocymule-bearingspeciesoiJusticiafromnorthern LatinAmericacanbe
distinguishedbythefollowingcouplet.
Inflorescenceofpedunculatecymulesinaxilsofleavesorclusteredatdistalmostnode:leavesses-
sileorwithpetiolesto5mmlong,blades30-62mmlong,12-21mmwide:pedunclesofcymules
glabrous:calyx7-8mmlong:outersurfaceofcorollapubescentwithmostlyrelrorseeglandular
IriehomesandsometimeswitherectglandularIrichomesaswell;filamentsdistallyglabrous:plants
ofGuatemala(AliaVerapaz). ,/.pcdiccllatu
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2007 DANIEL:NEWTAXAOFJUSTICIA 183
Inflorescenceofaxillaryorterminalpedunculatethyrsesorpaniclesofthyrsesbearingpedunculate
cymules;leaveswithpetiolesto20mmlong,blades100-265mmlong,23-71mmwide;peduncles
ofcymulesbifariouslypubescent;calyx5-5.2mmlong;outersurfaceofcorollapubescentwith
erecttoflexuoseeglandulartrichomes;filamentsdistallypubescent;plantsofMexico(Veracruz).
/.cymulifera
ThepresenceofcyinulesinJusticiasimilartothoseofDidipteraanditsrelatives
(e.g.,Hypoestes) is not surprising considering the close phylogeneticrelationship
amongthesegeneraasshownbyMcDadeetal.(2000).Indeed,thatstudyrevealed
Didipteraanditsrelatives(subtribeDiclipterinae)tobenestedbetweenOldWorld
andNewWorldspeciesofJusticia.ThepresenceofcymulesamongOldWorldspecies
ofJusticiawasnotedbyChampluvier(2002)in,/.scutiferaChamp.
JusticiakarsticolaT.F.Daniel,sp.nov. Type:Mexico.Veracruz:Mpio.Minatitlan,
13.7kmEdeLaLaguna,sobreterraceriaa Uxpanapa,luego7.2kmNa
Belisario Dominguez, 17°20.5'N, 94°23'W, 120 m, area karstica en selva
perennifoha, 5 Mar 1981,T. Wendt et al. 2994 (holotype: CAS!: isotype:
CHAPA). Fig,4.
Herbae perennes usque ad 6 dm altae. Folia petiolata, laminae ovatae vel
ovato-ellipticae, 67-77 mm longae, 25-38 mm latae, 1.9-3.1-plo longiores quam
latiores.Inflorescentiafloribusinpaniculisspicatis.Bracteaefloralesheteromorphae,
oppositae;bracteaefertileslateellipticaevelsubcirculares,4-5mmlongae,2.3-3.6
mmlatae;bracteaesterileslinearesveloblanceolatae,2-3.5mmlongae,0.2-0.5mm
latae.Calyx5-lobus,3-3.3mmlongus,lobishomomorphis.Corollaflavovirenslabiis
purpureo-notatis, 8.5 9.3 mm longa, extus pubescens trichomatibus eglandulosis.
Staminathecis1.1-1.3mmlongis,impariterinsertis,pubescentibus,thecainfernabasi
calcarata.Capsulaignota.
Perennialherbsto6dmtall;youngstemssubteretetosubquadrate,2-fariously
pubescentwith(flexuoseto)antrorseeglandulartrichomes0.3-0.5mmlong,septae
oftrichomesconspicuousand purplish. Leavespetiolate,petiolesto32 mmlong,
bladesovatetoovate-elliptic,68-77mmlong,25-38mmwide,1.9-3.1 timeslonger
than wide,acute to subacuminate at apex,acute tosubattenuate at base,adaxial
surfaceglabrous,abaxialsurfacepubescentalongmidveinwithantrorseeglandular
trichomes,marginentiretocoarselyangulate.Inflorescenceofterminalpedunculate
paniclesto 15cmlong(includingpeduncleandexcludingcorollas)and 15mmin
diameter,pedunclesto20mmlong,pubescentwithcaulinetypetrichomes±con-
centratedin2lines,rachis±evenlypubescent(ortrichomesconcentratedin2lines)
withcaulinetypetrichomes,lateralbranchesofpaniclesconsistingofshortspikelike
axes(=modifieddichasia?)to 13mmlong,sessiletosubsessile(pedunclesto1 mm
long),mostly3-5-flowered;inflorescencebracts(i.e.,bractsalongmainpaniclerachis
subtendinglateralspikelikebranches)petiolate,ovatetolanceolatetoelliptic,5-8
mmlong,1-2.5mmwide(orproximalmostpairoftenlarger,to 15x4mm).Bracts
oflateralspikelikeaxes(=floralbracts)opposite,thoseofapairheteromorphicwith
fertilebractsmuchlargerthansterilebracts;fertilebractspetiolate,broadlyelliptic
tosubcircular,4-5mmlong,2.3-3.6mmwide,abaxialsurfacepubescentwitherect
eglandularandglandular(sometimes±inconspicuous)trichomes0.05-0.2mmlong
and often with longer antrorse eglandulartrichomes along midvein,margin con-
spicuouslyciliatewitherecttoflexuoseeglandulartrichomes0.3-1.2mmlong;sterile
bractssessile,lineartooblanceolate,2-3.5mmlong,0.2-0.5mmwide,abaxialsurface
andmarginpubescentwithflexuoseeglandulartrichomesto0.7mmlong.Bracteoles
[84 CONTR.UNIVERSirVOFMICHIGANHERBARIUM VOLUME25
FIG.4.Jitsiiciakarsticolit(Wciulteltil.2994).a.Habit(xO.iS)withenlargementofvegetativeintcrnodc
(x7).b.Inllorcscencenodevvitiispikelii^cbranch(=modifieddichasium?)bearingallower,x5.c.Distal
portionofstamenwithanther,x19,
obovate,oflen asymmclric,4-5.2 mm long, 1-1.8 mm wide, abaxial surface and
marginpubescentlikefertilebracts.Flowersalternate(i.e.,onepernode),sessileto
subsessilc (pedicelsto0.5mmlong).Calyx5-lobcd,3-3.3mm long,lobes±eciual,
lanceolate,2.3-2.6mmlong.0.4-0.6mmwide,abaxiallypubescentwithantrorseto
flexuoseeglandulartrichomes0.1-0.2mmlong.Corollayellowishgreenwithmaroon
markings on lips,8.5-9.3 mm long,externallypubescent with erect to flexuose to
relrorseeglandulartrichomes0.05-0.2mmlong,tube5-5.5mmlong,slightlygradu-
allyexpandeddistallybutlackingadistinctthroat.1,6-1.8mmindiameternearmid-
point,upperlip3^.2mmlong,emarginateatapexwithlobes0.2-0.3mmlong,lower
lip3.5-4mmlong,lobes 1.2-1.7mmlong, 1.2-2mmwide.Stamens4-4.2mm long,
insertednearapexofcorollatube,exserted frommouthofcorollabutnotextend-
ingbeyondupperlip,(ilamentsglabrous,thecaemaroon,1.1-1.3mmlong,subequal
2007 DANIEL:NEWTAXAOFJUSTICIA 185
inlength(lowerlonger),paralleltosubparallel,unequallyinserted(overlappingby
0.3mm),dorsallypubescentwitheglandulartrichomes,lowerthecawithaspurlike
basalappendage0.2-0.3mmlong;pollen(Fig.2i)3-colporate,6-pseudocolpate,exine
reticulate.Style6.5-7mmlong,exsertedfrommouthofcorollabutnotextending
beyond upperlip,proximallypubescentwitheglandulartrichomes;stigma asym-
metricallyfunnelform,0.2mmlong,lobesnotevident.Capsuleandseedsnotseen.
Phenology.Flowering:March.
Distribution (Fig.3).KnownonlyfromsouthernVeracruzwhereplantsoccur
onkarst (limestone)inlowlandrainforestsofthe Uxpanaparegionatelevations
of120m.
JusticiakarsticolaisknownonlyfromthemoistUxpanapalowlandsofVeracruz.
Thisregion ofhighprecipitationanddiverserainforestsinsoutheasternVeracruz
andadjacentOaxacaisacenterforendemicanddisjuncttaxa(Wendt1987,1997).
Withtherecognitionofboth/cymuliferaand/.karsticolafromtheUxpanaparegion,
atleast 13speciesofthegenusareknownthere [also:,/.ardensT.F.Daniel,/hor-
rerae(Hemsl.)T.F.Daniel,J.fimhriata(Nees)V.A.W.Graham,/.kanalT.F.Daniel,
/lindeniana(Nees)J.F.Macbr.,/nevlingiiWassh.&T.F.Daniel,./,pectoralisJacq.,
/spicigeraSchltdl.,/uxpanapensisT.F.Daniel,/valvataT.F.Daniel,and/wendtii
T.F.Daniel].Fourofthese,/cymulifera,].karsticola,J.uxpanapensis,and/wendtii,
appeartobeendemictotheregion.JusticiaardensisknownonlyfromtheUxpanapa
lowlandsandtheadjacent(andgenerallysomewhathigherinelevation)Chimalapa
regioninOaxaca.SeveralofthesespeciesofJusticiaoccuron,orarerestrictedto,the
weatheredlimestone(karst)thatcharacterizeslargeportionsofthisregion.
Theshortlateralbranchesintheinflorescenceof/karsticolaappearasspikes.
Whethertheyaretruespikes(withindeterminategrowth)ormodifieddichasiathat
exhibitsympodialgrowthresultinginspikelikeelongationsisnotknown.Likesev-
eralotherspeciesfromtheNewWorld,./,karsticolahasfloralbractsheteromorphic
atanode.DimorphicbractswerenotedbyGraham(1988)inaBrazilianspecies,/
scansilis(Rizzini)V.A.W.Graham,ofhersect.Orthotactus(Nees)V.A.W.Graham.
Inthatspecies,however,thesterilebractsarebroadlyovatetocordateandthefer-
tileonesarenarrowlyovatetolanceolate./iw/zdflkarsticoladiffersfromGraham's
(1988)circumscriptionofsect.Orthotactusbyitscompoundinflorescence,bractsnot
ovate,andpollenwiththreeapertures.Wasshausenand Daniel (1995)and Daniel
(2002) discussed several heteromorphically bracteate species from Mesoamerica.
MexicanspeciesofJusticiawithheteromorphicbractsinclude:/caudataA.Gray,./.
cholT.F.Daniel,/karsticola,J.ttevlingiiWassh.&T.F.Daniel,/tuxtlensisT.FDan-
iel,./,uxpanapensisT.FDaniel,and/wendtiiT.FDaniel.Justiciakarsticolaappears
florallyandpalynologicallysimilarto./.wendtii;indeed,bothspecieswerecollected
byWendtfromthesamelocality.Theycanbedistinguishedbythecharactersinthe
followingcouplet.
Youngstemspubescentwithretrorselyappressedtrichomes:lateralbranchesofpaniclesconsisting
ofpedunculate(peduncles2-40mmlong)andunilateralspikes;bractssuboppositetoalter-
nate,sometimes±heteromorphic,obovatetooblanceolate,1-2.5mmwide,marginciliatewith
trichomesupto0.3mmlong;corolla7-8.5mmlong,externallypubescentwithglandularand
eglandulartrichomes;style4.5-5mmlong. /wendtii
Youngstemspubescentwith(flcxuoscto)antrorsetrichomes;lateralbranchesofpaniclesconsisting
ofsessiletosubsessile(i.e..pedunclesto1mmlong)andmultilateralspikelikeaxes(=modihed
dichasia?);bractsopposite,conspicuouslyheteromorphic,fertilebractsbroadlyelliptictosubcircular,
sterilebractslineartooblanceolate.2.3-3.6mmwide,marginciliatewithtrichomes0.3-1.2mmlong;
corolla8.5-9.3mmlong,externallypubescentwitheglandulartrichomes:style6.5-7mmlong.
/karsticola
— —
186 CONTR.UNIVERSITYOFMICHIGANHERBARIUM VOLUME25
JusticiamayaT.F.Daniel,sp.nov. Type:Mexico.Chiapas;3kmSofTuxtlaGutier-
rezonroadloSuchiapa,700m,slopewithtropicaldeciduousforest,3Nov
1988,D. BreccUove & T. Daniel 71004 (holotype: CAS!;isotypes: ENCB!
MICH!MO!US!).
Herbaeperennesvelfrutices.Foliapetiolata,laminaeovatae,23-88mmlongae,
10-51 mmlatae,1.4-2.3-plolongioresquamlatiores.Spicaedichasiataedensebrac-
teatae.Bracteaequadrifariae,lateovatae,8-12mmlongae,5-9mmlatae.Bracteolae
lineari-ellipticaeveloblanceolatae,5.5-9mmlongae,1.2-2.2mmlatae.Calyx5-lobus,
3-5.5mmlongus,lobisaequalibus.Corollaalbalabiosuperoviriduloetlabioinferno
purpureo-notato, 10.5-15 mm longa, extus pubescens trichomatibus cglandulosis.
iSntfaemrinnaabatshiecciaslc1a.r2a-t2a;mpmollilnoinsgigs,rainmapa3r-iatpeerrtiunrsaerttai.s,Cadoprssuallait7e-r8p.u5bmesmcenltoinbgau,s,putbheesc-a
censtrichomatibuscglandulosis.Semina2.3-2.5mmlonga,minutepapillosa.
Phenology.Flowering:October-January;fruiting;October-January.
Distribution(Fig.3).EndemictoChiapas;plantsoccuronrockyslopesinregionsof
evergreenseasonalforestandtropicaldeciduousforestatelevationsof700to850m.
Paratypes.Mexico.Ciiiai'as:Mpio.Socollcnango.30kmESEofPugilticonrd.toComitan,D.
BGurtcieedrlroevze.5D3.66B6re(eCdAloSv)e,&D.PB.rReaevdehnve13&36F4.A(DlSm.edEaM5I6C87H9,(UCSA)S;):beMtpwieoe.nTuSx.tFlearGnuatnideorraezn.d2CmhiacSonoaf,TuWxtloaf
TuxtlaGutierrez./.I.aiij^niiin3836(PH,US);Mpio.TuxtlaGutierrez.ElZapotal,SEdeTuxtlaGutierrez,
16"43'N.93"()6'W,£.Palacio.sE.2011(CAS).
Adetaileddescription in Englishandan illustrationofthisspecieswere pro-
videdbyDaniel(1995;66-67,Fig.17)underyi/.v^/aV/herpetacanthoides.Atthattime
IenumeratedseveraldifferencesbetweenChiapancollectionsandthoseresembling
thetypeof,/,herpetacanthoidesfromYucatan.Further,IindicatedthattheChiapan
plantsinightrepresentaspeciesotherthan,/.herpetacanthoides,butthatfurtherstud-
iesofthattaxonandseveralothers,includingBeloperoneblechioidesLeonard,would
benecessarypriortomakingsuchadetermination.RecentstudiesofAcanthaceaein
Honduras(Daniel2005)andtheYucatanPeninsula(Daniel,unpubl.)revealthatB.
blechioidescorrespondstoaGuatemalanandHonduranspeciesthatisnowknown
as./.ciriloiT.FDaniel,andthat/.herpetacanthoidesisnotdistinctfrom./.lundeUii
Leonard.PlantsfromChiapasareheretreatedasadistinctspeciesendemictothat
stateanddifferfromtiieYucatanPeninsularendemicJ.lundelliibythecharacters
inthefollowingcouplet.
Youngstemsevenlypubescent;bractssessile,5-9mm,wide;calyx3-5.5mmlong;corolla10.5-15
mmlong;stamens6.3-6.5mmlong,filamentsglabrous;pollenaperturesflankedoneachsideby
1 rowofinsulae(fag.2g,h);capsule7-8.5mmlong;seeds2.3-2.5mmlong,surfacesminutely
Youpnapgilsltoesme.sbifariouslypubescent;bractsnarrowedproximallyand±petiolate,blades3.5-5.5m.m/.iiuiya
wide;calyx2.5-3mmlong;ct)rolla7-9mmlong;stamens4-4.3mmlong,filamentspubescent;
pollenaperturesflankedoneachsidebyapseudocolpus(insulaegenerallyabsent);cajisule5.<S-6
mmlong;seeds1.5-1.9mmlong,surfacesirregularlyhacculate. ./.hunh-lUi
Although both of these species occur in similar vegetation types,./. lundellii
occursatlower(5-225m)elevations.
Jii.sticiacampechianaStandi,exLundellsubsp.vestitaT.EDaniel,subsp.nov. Type:
Mexico.Chiaptis:Mpio.Ocosingo,70kmSWofPalenquetowardOcosingo,
alongJolUk'um,550m,lowermontanerainforest,12Apr 1981,D.Breed-
love50937(holotype:CAS!). Fig.5.
2007 DANIEL:NEWTAXAOFJUSTICIA 187
FIG.5.Jusliciacampechianasubsp.vestita(a~e,Breedlove50937)andsubsp.campechiana(f-g).a.
Youngstemwithevenlydisposedtrichomes.b.Calyxandcapsule,c.Capsulevalve(exteriorview),d.
Capsulevalve(sideviewshowingretinacula).c.Capsulevalve(interiorview),f.Youngstemwitharrows
indicatingtwoverticalrowsoftrichomes(Alvarez&Jimenez3110).g.Flowerwitharrowindicatingwidely
displacedthecaeofoneanther(CabreraC.9935).Allscales=1mm.
Differt a subsp. campechiana caulibusjuvenibus aequaliter pubescentibus,et
foliis,bracteis,bracteolis,etcalycibuspubescentibus.
Phenology.Flowering:December-January;fruiting:April.
Distribution(Fig.6).SouthernMexico(Chiapas)andGuatemala(AltaVerapaz);
plantsoccurinlowermontanerainforestandmontanerainforestatelevationsof
550mandhigher.
Paratypfs. Mexico.Chiapas:Berriozabal-LasVistas.Enrique: 6839(MEXU),F.Miranda5860
(MEXU).
A detailed description in English ofthis subspecies was provided by Daniel
(1995: 57-58; as J. campechiana), who noted the distinctions between Chiapan
plantsandthosefromtheYucatanPeninsulathatresemblethetype.Atthattime,
thespecieswasinsufficientlyknowntomefromthroughoutitsrangetodetermine
whether the more pubescent plants from Chiapas (and Guatemala) represented
ageographicallycircumscribablepopulationornot.Recentstudiesofthisspecies
from theYucatan Peninsularevealthatplantsfromeachregionindeedcomprise
morphologically,geographically,andecologicallydistinctcomponentsofthespecies,
bothofwhicharehereaccordedsubspecificstatus.Figure5illustratessomeofthe
morphologicaldistinctionsbetweenthesubspecies,andFig.6showstheirrespective
distributions;thefollowingcoupletsummarizessomeoftheirdifferences.
Youngstemsbifariouslypubescentwithantrorsetrichomes:leafsurfaces,abaxialsurfaceofbracts
andbracteoles,andcalyxglabrous;plantsoftheYucatanPeninsula(Mexico:Campeche,Yucatan.
QuintanaRoo;Belize:Corozal;Guatemala:Peten),occurringinevergreenseasonalforestand
tropicalsubdeciduousforestatelevationsfromsealevelto240m.
J.campecliianasubsp.campechiana
Youngstemsevenlypubescentwithflexuosetoantrorsetrichomes;leafsurfaces,abaxialsurfaceof
bractsandbracteoles,andcalyxpubescent;plantsoccurringtothesouthoftheYucatanPeninsula
(Mexico:Chiapas;Guatemala:AltaVerapaz)inlowermontanerainforestandmontanerain
forestatelevationsabove500m. /.campechianasubsp.vestita
188 CONTR.UNIVERSITYOFMICHIGANHERBARIUM VOLUME25
200kilniiietcrs
FICj.6.Distributionn(./(i.siiciacanipechUuutsubsp.cuuipediiunuandsubsp.vesiiia.
Pollenof./,canipechianasubsp.vestita(Fig.2e-f)is3-aperluralewithonerow
ofinsulae oneachsideofthe aperture.Inpalynologicalfeatures,it resemblesthe
nominatesubspecies.
ACKNOWLEDGMENTS
Mylick!studiesintheYucatanPeninsulawerefundedbyaFranklinGrantfromtheAmerican
PhilosophicalSocietyin2003,andtheywerelacilitatedbyDr.GermanCarnevaliandtheCenirode
InvesligacionCienlificadeYucataninMerida.IthankScottSeralaforassistancewiththescanningelec-
tronmicroscope;TomWendtformakingavailablehisexcellentcollectionsfromtheUxpanaparegion;
AlanC1k)ul\)rtheillustrations;andthecuratorsofCAS.DS,F,MEXU.MICH,PH.andUSformaking
specimensavailable.
LITERATURECITED
Champluvicr.D.2002.Anewand unrecognizedspeciesofJusiicia(Acanthaceae,,lusticiineae) from
KwangoandKatanga(R.D.Congo).Syst.Geogr.PI.72:231-235.
Daniel,T.F.1995.Acanthaceae.1nlloriiofChiapas,ed.D.E.I^reedlove,4:1-15S.SanFrancisco:California
AcademyofSciences.
Daniel,T.F.1999.Taxonomicanddistributionalnotesonneotropical./(^s7/^/V/(Acanthaceae).Pi'oc.Calif.
Acad.Sci.51:483-492.
Daniel,TF.2002.NewandreconsideredMexicanAcanthaceaeIX.Jusiicia.Proc.Calif./\cad.Sci.53:
37-49,
Daniel,T.F'.2003.AreconsiderationofMei^alostonia(Acanthaceae),anewspecies,andrecognitionofa
newsectionoi'./iislicia.Proc.Calif.Acad.Sci.54:371-3<S0.
Daniel,F.F.2005.CatalogofHonduranAcanthaceaewithtaxonomicandph\togeographicnotes.Contr.
tJniv.MichiuanHerb.24:51-108.