Copyright (c) American Society for Taxonomists. All rights reserved. Delivered by Ingenta to IP: 192.168.39.211 on: Mon, 27 Sep 2021 23:06:15 DOI 10.1600/036364411X553298 © Copyright2011 bythe American SocietyofPlantTaxonomists Systematic Botany though Robinson etal.(2009) foundthat Bremer 1994 ; Hind andRobinson2007 ; belongs tosubtribe Ageratinae ( Robinson etal.2009 ), King andRobinson1987 ; and Robinson(1972) . Within tribeEupatorieae, wide distributionrange( Fig. 1 ). resented bythree species,oneofwhich, southeast regions ofBrazil. InMinasGerais,ithasbeenrep- tributed, thoughalwayswithinthelimitsofnortheastand A.longifolius to Brazil,i.e. 26 genera,someofthem,like genetic analysisusingITS.Thesubtribe Ageratinae includes resolved insubtribeGyptidinae cladeinapreliminary phylo- of them[ species generallyhavealimiteddistributionandonlytwo is foundinthestatesofBahiaandMinasGeraiswhere its Brazil ( Bautista 2000 ). Thegreatest diversityofthegenus mostly endemictothenortheastandsoutheastregions of ) consistsof17speciesshrubs andsmalltrees, R. M.King&H.Rob., as anaturalstate parkin2005. Cabral isnowpermanentlyprotected havingbeenstablished dominant feature oftheswampslatter. TheSerrado 1977 ). Thepresence ofburitis( matas ciliares, cerradão,mataatlântica,andveredas ( Alonso cerrado, andcamposvegetation, aswellsmallpatchesof Cabral hasapeculiarflorafound mainlyincamposrupestres, 1,300 malthoughatsomepointsitreaches 1,500m.Serrado ( Figueiredo etal.1993 ). Itsaltituderangesbetween900 and imentary rocks, aswelllow-metamorphicconglomerates das Velhas. Geologically, itismadeofarenitic andsiltysed- hectares thatdividesthebasinsofRioJequitaiand of theCadeiadoEspinhaço,isanisolatedmassif22,494 Cabral, situatedinthecenter-north ofMinasGerais,asapart found onlyintheSerradoCabral( Fig. 1 ). TheSerrado H. Rob. Scherya Acritopappus Acritopappus The newspeciesof new species, provided. trated, theaffinities betweenthemorphologicallyrelated speciesand has conduplicate,chartaceous,glabrous toglabrescent, viscidleaveswithentire margins, andanaristate pappus.Thenewspec Abstract— Keywords— R.M.King &H.Rob.,and 2

Departamento deBioloxíaVexetal, LaboratoriodeBotánica,FacultadeFarmacia,UniversidadeSantiago, A. confertus (2011), 36(1):pp.227–230 (Gardner) R.M.King&H.Rob.]are widelydis- Cavalcantia 1 wassegregated from R.M.King&H.Rob.(Compositae, Departamento deCiênciasdaVida, UniversidadedoEstadodaBahia,RuaSilveiraMartins,2555, Acritopappuspereirae A newspeciesoftheBrazilian endemicgenus seaee, Bai er d Cba utie grtne, sseais, . systematics, Ageratinae, subtribe Cabral, do Serra Brazil, , A e Seis f h Baiin nei Gns Genus Endemic Brazilian the of Species New A (Gardner) R.M.King&H.Rob.and otni P Bautista, P. Hortensia Acritopappus R.M.King &H.Rob., Piqueriella (Compositae, Eupatorieae)fromMinasGerais Mauritia vinifera Acritopappus , issimilarto Teixeiranthus R.M.King&H.Rob., describedbelowwas 3

Author forcorrespondence: ( [email protected] ) Cabula. CEP 41150-0000, Salvador, Bahia,Brazil. Eupatorium 15782 SantiagodeCompostela,Galicia,Spain. A. longifolius, Acritopappus Cmuiaig dtr Mr P Simmons P. Mark Editor: Communicating A. confertus , are endemic R.M.King & 1 Acritopappus Mart.)is a Snig Ortiz, Santiago Gardnerina by King hasa Acritopappus , themostwidelydistributedspeciesingenus,butdiffers inthatthelatter was

227 A.pereirae operating at15kV. gold forstudywithascanningelectron microscope (SEM)(LEO435VP), were mountedonaluminumstubsandcoatedwithac.30nmlayerof was studiedwiththeaidofalightmicroscope. Cypselasofdriedmaterial (herbarium acronyms follow Holmgren etal.1990 ). Herbariummaterial the followingherbaria:BHCB,CEPEC,HRB,HUEFS,K,SANT, andUS dular andglandular hairs,fallenleavesleaving anarrow scar flat tocanaliculate,glabrous, abaxiallyrounded witheglan- iole ofoppositeleafbyanarrow hairymembrane,adaxially petioles (1.6–)2.2–2.7cm,striate, enlarged atbase,fused to pet- hairs; internodes2.5–6.5cmlong. Leavesopposite,petiolate; ored, witheglandular, pluricellular, uniseriate,andglandular Branches ascendant,opposite, cylindrical,striate,cream-col- denticulatos. tuum papposcoroniformiter aristatosautcoroniformiter sideat nostrafoliamembranaceamargineque ciliataetfruc- differt deniqueaspeciebustribuscommemoratiscumpos- capitula 10-flora,involucrabreviora et2–3paleispraedita; item cumarborea sitnostra,foliasuabreviora etnonviscida, fert porro ab 10-flora, involucrabreviora corollaeque autemlongiores; dif- cum arborea sitnostra,foliasuainsuperlanceolata,capitula bus; ab & H.Rob.foliisplanisetnonviscidiscorollisque longiori- Acritopappuspereirae from theSerradoCabral,inMinasGeraisstate,isdescribed.The 2 , Tree about4mhigh, moderatelybranchedinupperpart. Differt aspecie 3 This studywasbasedonmorphologicalanalysisofspecimensfrom n un Rodríguez-Oubiña Juan and (holotype: HRB41079!;isotype:SANT!). quartzite, alt.1,150m,22Sep.1998. outcrops, whitesandwith turf,EspinhaçoSupergroup, rado, áreas brejosas, andcamposgeraisvegetation,rocky 44°15 Felício, ontheroad to Várzea daPalma,17°41 of JoaquimFelício,SerradoCabral,19kmfrom Joaquim nov.—TYPE: BRAZIL.MinasGeraisState:Municipality are discussedandakeytothespeciesfrom MinasGeraisis A. dimantinicus ′ 44˝W, campo rupestre contactingopenarboreal cer- A. longifolius aeil ad Methods and Materials Acritopappus confertus Txnmc Treatment Taxonomic Acritopappus Bautista,S.Ortiz&Rodr. Oubiña,sp. Bautista,S.Ortiz&Rodr. Oubiña, (Gardner) R.M.King&H.Rob., 2

(Gardner) R.M.King

Bautista &Ortiz2810 ies isillus- ′ 53˝S,

Copyright (c) American Society for Plant Taxonomists. All rights reserved. Delivered by Ingenta to IP: 192.168.39.211 on: Mon, 27 Sep 2021 23:06:15 ovate, somewhat longerthanwide,withacute toobtuseapex, anthers 1.2–1.5 mmlong,apicalappendage 0.30 acute, withshortpapillaelocated internallyinupperpart; 0.4–0.5 mm;lobes0.5–0.6mm long,patenttoascending,apex stipitate glandulartrichomes, white;corolla tube2.2–2.4 maphroditic; corolla tubular, 3.2–4mmlong,withsparse, oblong, margins scarious,ciliate,apexacute.Florets her- tacle flat,paleaceous,paleae 2–3, 3.0–3.2 cally ciliate,apicessubacutetorounded, basetruncate; recep- 2.6–2.8 2–3-seriate, outermost,±flat,1.4–1.8 mm, cylindric;phyllaries±12,green, eximbricate,lanceolate, homogamous with±10florets; involucres 5.3–5.5 late, 3–12mmlong,capitulapedicellatetosessile.Capitula cm long,sparselybracteolate,bracteolesnarrowly lanceo- cipal peduncle3.5–6.0cmlong,secondarypeduncles4.0–5.0 grouped inglomerules, pedunclesrobust, striate,pilose,prin- base obtuse.Inflorescence acompositecorymb,withcapitula cent; margins crenate tocrenulate, ciliate,apexacuminate, tion slightlyprominent, striate,glabrous orslightlyglabres- abaxial facewithsparseeglandularandglandularhairs,vena- lar hairs,venationslightlyprominent, witheglandularhairs; ial facewithsparseeglandularhairsandabundantglandu- when leavesare dried,flat, nonviscid,membranaceous;adax- conspicuous lemonsmellwhichisreduced ornotdetectable cm, narrowly lanceolate to lanceolate,lightgreen, witha tracing stemcircumference; lamina(10–)12–13.8 [Volume 36 SYSTEMATIC BOTANY 228 Fig. 1 . . × 0.9–1.0mm,concaveto±flat,margins scarious,api- Distribution ofthespecies Acritopappus × 0.5–0.6mm,innermost × 0.2–0.3mm,flat, present inMinasGerais,Brazil. × × 0.20mm, (2–)2.2–3 × 1.8–2.1 ×

Fgrs , 3. 2, Figures 3–10 aristae,orlessfrequently coroniform-denticulate. elongate cells;pappus0.4–1.1mmlong,coroniform-aristate, basal (symmetrical)toslightlylateral(asymmetrical),with 5-ribbed, distancesbetweenribsunequal;carpopodium 0.6(–0.7) mm,black,prismatic,baseasymmetric,glabrous, branches ±3.2mmlong,white.Cypsela1.8–2(–2.2) anther baseslightlyacute;style±5.5mmlong,glabrous; style rupestre vegetation, among shrubs (i.e. found intwolocalities. Itgrows insmall patchesofcampo pereirae Acritopappus have flowersandfruits allyearlong,like otherspeciesof is inflowerandfruit inSeptemberand April butitmight species wascollected. Minas GeraisincludingtheSerradoCabral,where thenew the collectingtripof great knowledgeofgeology, helpedussignificantlyduring Estatística, Alex DomingosCarneiro Pereira, who,withhis league from theFundaçaoInstitutoBrasileiro deGeografiae G.Hatschbach64811, etal. m, camporupestre vegetation,rocky soil,15 Apr. 1996, Municipality ofJoaquimFelício,SerradoCabral,alt.1,200 diinl pcmn Examined— Specimen Additional Gorpia Dsrbto ad Ecology— and Distribution Geographical Phenology— Etymology— isonlyknownfrom theSerradoCabralwhere itwas (i.e. Collected materialindicatesthatthisspecies The specificepithethonorsourfriendandcol- A. confertus Acritopappus (BHCB34161,US3327313) ). inseveralareas inBahiaand RZL Mns Gerais: Minas BRAZIL. Lychnophora Acritopappus × sp., 0.4– Copyright (c) American Society for Plant Taxonomists. All rights reserved. Delivered by Ingenta to IP: 192.168.39.211 on: Mon, 27 Sep 2021 23:06:15 with pappus(from theholotype, D. Inflorescence. E.Detailofinflorescence. F. Detailofpeduncle. G.Capitulum.H.Longitudinal sectionofcapitulum.I.Phy 01 BUIT TA. E CIOAPS 229 BAUTISTA ET AL.: NEW ACRITOPAPPUS 2011] Fig. 2 . .

Acritopappus pereirae Bautista,S.Ortiz&Rodr. Oubiña. A. Vegetative branch.B. Adaxial surfaceofleaf.C. Abaxial surfaceofleaf. Bautista &Ortiz2810 , R 41079). HRB , llary. J.Corolla. K.Cypsela Copyright (c) American Society for Plant Taxonomists. All rights reserved. Delivered by Ingenta to IP: 192.168.39.211 on: Mon, 27 Sep 2021 23:06:15 Aos, . . 97. Vgtço. p 1–17 i in 91–117 Pp. Vegetação . 1977. A . T. M. Alonso, tions andsuggestionsthathaveimproved themanuscriptsignificantly. Orellana fortheillustrations, andtwoanonymousreferees fortheircorrec- Laínz fortheLatindiagnosis,RafaelSalvador, LucianoG.Pataro, Luis HUEFS, K,SANT, andUSforallowingusaccesstotheirmaterial,Manuel 1. Leavesconnatebyanarrow extensionoftheirpetioles,laminawithaconspicuouslemonsmell(mainlydetectableinfre ool egh(m .– .–. .–. 3.5–3.7 2.7–2.9 3.8–4.2 Free Viscid 9–19 5.3–5.5 2.7–2.9 Non-viscid Chartaceous Free Serrateto subentire, glabrous Serrate,glabrous 7–12.5 Coriaceous 3–3.5 Viscid Entire, glabrous Free Chartaceous Lanceolatetoelliptic, 5–15 3.2–4 Corolla length(mm) Connate (across node) Number offlorets per Crenate, ciliate Non-viscid 3.1–3.9 Number ofpaleaeper Membranaceous Involucre length(mm) Petiole bases Lanceolate,flat Leaf margins (10–)12–13.8 Leaf surface Leaf texture Lamina length(cm) Leaf shape Buit, . 00. 2000. P . H. Bautista, . 1. Leavesfree, laminawithoutacharacteristicsmell;capitulawith14–50florets; receptacles with4–37paleae Pappus [Volume 36 Habit (height,m) SYSTEMATIC BOTANY 230 Acritopappuspereirae Bee, 94. 1994. K. Bremer, Acknowledgments. Table Fig. capitulum capitulum . 2. Involucres 5.3–7.5long; phyllariesimbricate;capitulawith45–50florets; receptacles convex,with34–37paleae 2. Involucres 3.5–4.2mmlong;phyllarieseximbricate,capitulawith14–25florets; receptacles flat,with4–10paleae Sudeste Acritopappus Press . Santiago deCompostela : Universidade deSantiagoCampostela . aiuawt 0foes eetce ih23pla . capitula with±10florets, receptacles with2–3paleae Character 3. Smalltrees to4mhigh; leaveslanceolate,glabrous toglabrescent, viscid;involucres cylindrical;pappusaristate 3. Shrubs to1.80mhigh;leavesovate,tomentose,nonviscid;involucres . campanulate;pappuscoroniform 3 . . 1 . . e. C Glebr i d Jnio: IBGE. Janeiro : de Rio Goldenberg . C. ed. 3, SEM photographshowingmorphologyofthecypsela Principal differences between Asteraceae: cladistics &classification R.M.King&H.Rob.(Asteraceae,Eupatorieae) (from theholotype, Sistemática efilogeniadeumgénero endêmico doBrasil We thankthecuratorsofBHCB,CEPEC,HRB, 061 – 14 4–6 6–9 2–3 6–10 3 10 2–3 Coroniform-aristate tocoroniform-denticulate Small tree (4) ieaue Cited Literature Key totheSpeciesof Bautista &Ortiz2810 Acritopappus pereirae A.pereirae Geografia doBrasil.Região

. Prln Timber Portland: . , HRB 41079). 41079). HRB , . M. S.thesis. andmorphologicallysimilarspecies. A CRITOPAPPUS

Small tree (4) Aristate Tbe 1. Table Main morphologicaldifferences betweenthemare shownin present intheStatesofRiodeJaneiro andSãoPaulo ( Fig. 1 ). A.longifolius Bautista, S.Ortiz&Rodr. Oubiña,from theStateofBahia;and it isnotpresent inMinasGerais; the statesofBahia,Ceará,Pernambuco,andSergipe though spread distributionamongthespeciesofgenusincluding pereirae Trixis Baccharis perennial (i.e.speciesof bog-type vegetationwithswampyareas, where herbaceous, campo rupestre vegetationare surrounded bycerrado-and growing betweenrocky outcrops. Thesesmallpatchesof Fgerd, . . D V Croih , n H S J B Dpn 93. 1993. Dupont. B. J. S. H. and Corcozinho , V. D. C., C. Figueiredo, Hn, . . . n H Rbno 20]07. Tie uaoia Cs Pp. Cass. Eupatorieae Tribe [2006]2007. Robinson . H. and H. J. D. Hind, Rbno, . E Shlig ad . . aeo . 20 uaoia P. 731– Eupatorieae Pp. the Eupatorieae. 2009 . of Panero . L. genera J. The and Schilling, 1987 . E. Robinson. H., Robinson, H. and M. R. King, (Asteraceae). Eupatorieae the in Studies 1972. Robinson. H. and M. R. King, Herbariorum. Index 1990. Barnett. C. L. and Holmgren , N. H. P.K., Holmgren, conduplicate from Minas Gerais,Brazil The speciesmostmorphologicallysimilar to A.confertus 50–54 i in 510–574 Instituto deGeociências(UFMG) . da região deJoaquimFelício -SerradoCabral,MG. n C Jfry . Bri, elebr, e Yr pigr Verlag . Springer York : New Heilderberg, Berlin, Jeffrey . C. and Fn , . uan , . . tes , n R J Byr . Ven I.A.P.T Vienna . : Bayer . J. R. and Stuessy , F. T. Susanna, A. Funk, in 744 (Asteraceae) . CIX. A newgenus, I. TheHerbariaoftheWorld , 8th ed . , and are likelytobe sp.)andsmalltrees (i.e. Systematics, evolution, andbiogeographyofCompositae

Vernonia mainlydistributed alongMinasGeraisbutalso The familiesandgeneraofvascularplants Monographs inSystematicBotany . litc lotfa Lanceolate,flat Elliptic, almostflat Shrub (1.4) Aristate ) are predominant. Acritopappus A.diamantinicus A. confertus, Discussion ...... 2 . Phytologia

Apochloa Regnum vegetabile Kielmeyera whichhasthemostwide- Acritopappus diamantinicus . 3 . Shrub (1.80) Aristate sh leaves); ...... 4 401–403. 24: , , 2 1–581. 22: Paspalum o. es . Kadereit J. eds. 8. vol. A.longifolius sp., : Bl Horizonte: Belo : A. subtomentosus 120 . 120. Acritopappus Myrcia A. longifolius , ,

, d. V A. V. eds. , A. pereirae Aristida

A. irwinii Geologia

sp.) ,