Delivered by Ingenta to IP: 141.211.101.177 on: Mon, 21 Oct 2019 15:31:30 Copyright (c) American Society for Taxonomists. All rights reserved. atr ai tt,Bai Adro 99,wt nyafew a locality. only type with the 1979), near (Anderson collections north- Brazil in State, vegetation Bahia (dryland) eastern Caatinga 180-degree of a habitats open twisted dry, epicarp 1979). the horseshoe-shaped (Anderson ante- with another, angle habit, nuts one shrubby and inside its anthers, nested by petals recognized easily rior be can ijnto ihnMlihaee u oispaeetas placement lineages, Amazonian its two to to due sister-group , within disjunction cagi sergipana Mcvaughia aeo ulcto uy2,2015 23, July publication of Date 10.1600/036364415X688358 DOI © Botany Systematic ewr upie yfniganwseisof new a finding by surprised were he we important most the at lections nor in Mcvaughia dis- absent but widely Guyanas, are the ing genera latter throughout two tributed These 2010). Anderson and and species: single previously a 1979), only (Anderson with Brazil northeastern to endemic S,CPC n UF ebra h aswr eeae using obtained generated coordinates were geographical specimens. the herbarium maps and from The 2010) (ESRI herbaria. software plant ALCB, HUEFS Arcgis the on and from or only specimens CEPEC, additional field based ASE, and are the collections field maps in from Descrip- and material specimens. material herbarium illustrations, the fresh the morphological informa- of on examining tions, labels other color collection while and the of noted from fruits, transcribed were presence petals, sepals, traits habit, glands, tive height, surface, plant Infor- lamina specimens. hairs, the herbarium of concerning studies and mation collections field on based are xeto,alseieso h e pce ecie here described years. species four last new the within one the collected With were of biome. plains specimens Forest coastal all Atlantic sandy exception, the to in endemic vegetation) (restinga apparently is species This oyih 05b h mrcnSceyo ln Taxonomists Plant of Society American the by 2015 Copyright Mcvaughia h ecito n lutain ftenwseispeetdhere presented species new the of illustrations and description The col- of examination through and fieldwork, recent During Mcvaughia YE RZL egp:Mn iab,Etaapara Estrada Pirambu, Mun. Sergipe: BRAZIL. TYPE: otro ea.Ti e pce sol nw rmsnycatlpan nSrieSae rzl n sciial nagrd t distribution Its larger endangered. critically and is flowers, and Brazil, 1–2 State, with Sergipe km cincinni in 100 lateral plains than coastal lamina, less sandy the be from throughout to known scattered only estimated is is glands species small new leaves, This the petal. posterior on indumentum deciduous soon and Glandonia btatMvuhasergipana Abstract—Mcvaughia Keywords— 3 nvriaeEtda eFiad atn,Dpraet eCie de Departamento Santana, de Feira de Estadual Universidade nUnexpected An 2 Herba a is ecie 5y g Adro 1979). (Anderson ago yr 35 described first was 21) 02:p.534–538 pp. 40(2): (2015), 1 nvriaeEtda eSnaCu,Dpraet eCie de Departamento Cruz, Santa de Estadual Universidade .R nesni eu fMalpighiaceae of genus a is Anderson R. W. ersnsa nrgigcs fgeographic of case intriguing an represents rsb,tes called so the Griseb., ´ tatcForest, Atlantic i etod eqia oCcu EE,RdvaIlhe Rodovia CEPEC, Cacau, do Pesquisas de Centro rio aeil n Methods and Materials aooi Treatment Taxonomic h mznBsnwith Basin Amazon the mrm&R .Amia p nov.— sp. Almeida, F. R. & Amorim mBota em cagi bahiana Mcvaughia .bahiana M. Burdachia Mcvaughia ˆ brai egp tt,Brazil, State, Sergipe in rbaria ia v rnnretn,4.3-0,Fiad atn,Bha Brazil. Bahia, Santana, de Feira 44.036-900, Transnordestina, Av. nica, 2 hatr rzl rmwhere from Brazil, theastern sdsrbdadilsrtd tdfesfo h igeohrseisi h eu ytemetallic-sericeous, the by genus the in species other single the from differs It illustrated. and described is nargo feteeydsubdenvironments. disturbed extremely of region a in 4 Andre uhrfrcrepnec ([email protected]) correspondence for Author , cagi clade Mcvaughia Glandonia .R nesn The Anderson. R. W. ´ Burdachia sfudol in only found is .Amorim M. Burdachia apgils egp State. Sergipe , , Mlihaee pce rmSnyCatlPlains Coastal Sandy from Species (Malpighiaceae) omnctn dtr hc Bell Chuck Editor: Communicating 56290 Ilhe 45.662-900, nNrhatr Brazil Northeastern in Mcvaughia .Juss. A. (Davis reach- 1,2,3,4 . 534 ´ s ai,Brazil. Bahia, us, n aalF Almeida F. Rafael and agneoe gadlr lw 1.5–2 claws eglandular, erose, margin irltrlptl riua,cclae ibc.4 ca. limb cucullate, orbicular, petals ante- deciduous; lateral soon rior yellow, golden petals obovate; yellow, irltrlptl bvt,sraig ib4–6 limb spreading, obovate, petals lateral rior agneoe gadlr lw 2–2.5 claws eglandular, erose, margin pcosgengada ae euce45m long, mm 2.5–3 4–5 sericeous. sepals sparsely peduncle with long, base; mm Flowers 2–3 at pedicel sericeous; con- gland sparsely a having green mm one spicuous 2.5–3 spreading, bracteoles subopposite, spreading; triangular, lanceolate, long, bract long, cincinnus; lateral per mm flowers 5–6.5 15–30 densely 1–2 hairs, striated, long, brown rachis terminal with cm sericeous, subopposite, a to Inflorescence (6.5–)8–11.4 opposite veins. cincinni, cincinni, and of midrib raceme near and proximally metallic sericeous on densely thinly very glabrescent, initially soon and and surface midrib, sericeous sericeous abaxial the initially glabrescent, of green, soon throughout side surface scattered each adaxial glands lamina, on impressed smaller base, other at promi- with glands 2 with abaxial lamina flattened; mar-nent cuneate, rarely or revolute, acute slightly base gins acuminate, slightly elliptic-lanceolate, or rarely acute apex ovate, to elliptic subcoriaceous, to ilnua,atro ea gadlr lnsc.2.5 sepals ca. 4 glands lateral eglandular, margin; sepal anterior the sur- biglandular, near abaxial glabrescent glabrous, sericeous, surface rounded, face adaxial apex ciliate, androecium, short the margin of most covering carinate, agrlae 8.4–10.7(–12) of leaves lamina larger eglandular; glabrescent, canaliculate, later mostly long, and Leaves sericeous cm initially persistent. (0.3–)0.7–1.2 sericeous, petiole opposite; densely straight, long, mm 3–5 long. pos- mm the 3 and ca. flowers, limb tomentose petal 2–7 densely terior with surface cincinni leaf with lateral long, lanuginose, abaxial or mm the 4.5–8.5 having limb latter petal the posterior and with cincinni flowers, lateral 1–2 sericeous, surface leaf abaxial the having hus152mtl,bslses48c im;stipules diam.; cm 4–8 stems basal tall, m 1.5–2 Shrubs cagi sergipana Mcvaughia 36 .C Marinho, C. L. ao eod,rsig or auer,10 tabuleiro, sobre restinga Redonda, Lagoa stps S! UF! B! Y,MC! ! B,SP!). RB!, P!, MICH!, NY!, MBM!, HUEFS!, ASE!, isotypes: ´ ˆ ˆ sIaua 56090 Ilhe 45.650-970, us-Itabuna, 50 ca Biolo ncias ca Biolo ncias 0 90.2 00 ,9 ,7Ot21 f,fr), (fl, 2013 Oct 7 m, 96 W, ´ ´ ia,RdvaIlhe Rodovia gicas, ia,Porm ePo de Programa gicas, & .F led 8393 Almeida F. R. ifr from differs 3 + + (2.7–)3–5.8(–6.5) cm, chartaceous –. m rw,straight, brown, cm, 1–1.5 ´ s ai,Brazil. Bahia, us, .bahiana M. ´

+ us-Itabuna,

a .5m;posterior mm; 0.35 ca. + ´ s-Graduac hltp:CEPEC!; (holotype: a .5m;poste- mm; 0.25 ca. .M Amorim, M. A. yteformer the by + ¸a ˜ – mm, 4–6 +

+ o 41 5mm, mm, 1 0 79 00 S, Delivered by Ingenta to IP: 141.211.101.177 on: Mon, 21 Oct 2019 15:31:30 Copyright (c) American Society for Plant Taxonomists. All rights reserved. etopst h otro aea ea.I yocu,pseirsyei h ide aea iw .Nt aea iw cl a:AC m :0.5 D: cm, 1 A–C: fr bar: third Scale stamen view. the lateral on sepal, Nut, Based Peta J. anterior mm. G. 1.5 view. the surface. J: lateral opposite abaxial mm, middle, right middle, 1 the from I: the in and first in F style stamen carina mm, posterior the the 2 Gynoecium, showing view, H: I. sepal and abaxial petal. anterior G, out, lateral E, the laid posterior of Androecium, the Detail H. opposite F. anthesis. left view. at general disposition cincinnus out, Lateral laid E. hairs. and glands laminar 05 MRMADAMIA NUEPCE CAGI 535 MCVAUGHIA UNEXPECTED AN ALMEIDA: AND AMORIM 2015] Fig. 1. cagi sergipana Mcvaughia .Foeigbac.B bxa ufc ftelmn.C ealo h bxa ufc ftelmn.D ealof Detail D. lamina. the of surface abaxial the of Detail C. lamina. the of surface Abaxial B. branch. Flowering A. . .M mrme l 8393 al. et Amorim M. A. . mm, om ls, Delivered by Ingenta to IP: 141.211.101.177 on: Mon, 21 Oct 2019 15:31:30 Copyright (c) American Society for Plant Taxonomists. All rights reserved. .Dti ffoes .Dti fodfoesadnt.F aia nasnycatlpan( plain coastal sandy a on Habitat F. nuts. and flowers old of Detail E. flowers. of Detail D. 3 YTMTCBTN Vlm 40 [Volume BOTANY SYSTEMATIC 536 Fig. 2. cagi sergipana Mcvaughia .Foeigbac.B efsoigamtli-eieu ufc.C nlrsec ihbd n lwr tanthesis. at flowers and buds with Inflorescence C. surface. metallic-sericeous a showing Leaf B. branch. Flowering A. . restinga eeain.Bsdon Based vegetation). .M mrme l 8393 al. et Amorim M. A. . Delivered by Ingenta to IP: 141.211.101.177 on: Mon, 21 Oct 2019 15:31:30 Copyright (c) American Society for Plant Taxonomists. All rights reserved. rea ae iaet 2.0–3.5 filaments base, at free tmn poietepseirltrlspl oee by covered sepals lateral posterior staminodes; the to posterior- reduced opposite the petal posterior stamens opposite the stamens and sepals apex; mm, lateral the 0.7–1.0 towards ca. post curved the anthers, opposite horse-shaped stamens base, glabrous; at thicker cal, 05 MRMADAMIA NUEPCE CAGI 537 MCVAUGHIA UNEXPECTED AN ALMEIDA: AND AMORIM limb, of base the 3.5–4 at claws glands reniform larger, of pair 4.5–8.5 pairs proximal limb 2–3 erose, mm, suberect, 6–7 orbicular, to obovate petal 2015] Fig. .Mpo h egahcdsrbtosof distributions geographic the of Map 3.

+ .–. mln. cylindri- long., mm 0.5–1.0 ro-aea easslightly petals erior-lateral + ca.0.5mm.Stamens Mcvaughia pce.Tesur shows square The species.

+ yidia,sihl wse,ae ihpritn tls base styles, persistent with apex twisted, slightly cylindrical, lbos neirsyesihl mle hnpseirones; 7–9(–11) posterior Nuts circular. than lateral, smaller stigma slightly style anterior glabrous, eieu;sye ,eet a 2 ca. erect, 3, styles sericeous; .–. m vr 1.5–2 Ovary mm. 0.5–0.5 yspl,esre,pitn oad h otro petal, posterior the covered towards 2.0–3.0 not pointing anthers filament petal exserted, triangular, posterior sepals, long, the by mm opposite stamen 0.5–1.0 aborted; ca. filaments sepals, .sergipana M.

n circles and + a . mln,tinua,anther triangular, long, mm 1.0 ca. .bahiana M. + + 1–1.5mm,ovoid,densely . m yidia,parallel, cylindrical, mm, 0.5 . + .–. m green, mm, 3.5–5.5 Delivered by Ingenta to IP: 141.211.101.177 on: Mon, 21 Oct 2019 15:31:30 Copyright (c) American Society for Plant Taxonomists. All rights reserved. atnavgtto oan ihaboadsic from distinct biota a with domain, vegetation rep- phyto area Caatinga conspicuous This Basin. a Sedimentary Tucano resents the of in species soils in sandy known occurring restinga). other area only vs the each (caatinga to habitats endemic distinct a being with species basins, sedimentary different Sergipe-Alagoas and Tucano the ubr fltrlcnin,adisnt r larger. are nuts its and cincinni, lateral of numbers n vr .– mtl v.oay113m al.Addition- tall). mm of 1–1.3 inflorescence ovary the (vs. ally, tall mm 1.5–2 ovary and ta.13 al. et t itiuini etitdt nae fls hn10km 100 than less of area an to restricted is distribution its sergipana 3). (Fig. Brazil State, Sergipe of domain ( Forest plains Atlantic coastal the sandy to endemic be – lwr v.ltrlcnin ih27foes,posterior flowers), 2–7 with cincinni 4.5–8.5 petal lateral fer- (vs. flowers with 1–2 lanuginose with cincinni lateral or glabrescent), later tomentose indumentum, ruginous many densely surface (vs. surface abaxial and glabrescent base), soon abaxial near base and metallic-sericeous glands densely near of initially pairs glands two with of abaxial surface (vs. lamina abaxial pairs the long), long), throughout scattered cm glands cm two impressed 4.5–8.5 0.3–0.7 with lamina petiole (vs. surface long (vs. cm long 8.4–12 cm lamina 0.7–1.2 petiole with bahiana M. Brazil. State, Sergipe in October. and May in fruit in December; extremely and an in occurs and locality, one area. fragmented than more not to 61;cmnopr ao eod,rsig,1 a 01(fl), 2011 May 911 17 al. restinga, et Redonda, Lagoa Santana para (fl), caminho 1978 0671); Dec 20 arenosos, tabuleiros 3 YTMTCBTN Vlm 40 [Volume BOTANY SYSTEMATIC 2. 1, rugose; Figures globose, seen. seed not substance; embryo hairs, distal oily seed, an brown the containing containing with chamber chamber proximal sericeous, chambers, sparsely 2 with dried, when rugose 538 a 03(l fr), (fl, 2013 May 9 diinlSeiesExamined— Specimens Additional Mcvaughia Conservation— — Etymology— Phenology— itiuinadHabitat— and Distribution AE;abet etbliorsig,10 tabuleiro/restinga, de ambiente (ASE); scniee rtclyednee C 1b as B1ab) (CR endangered critically considered is ytefloigcmiaino hrces leaves characters: of combination following the by

per ob etitdt ad ol within soils sandy to restricted be to appears + cagi sergipana Mcvaughia October, May, in flower in found were h pcfceihtrfr oisoccurrence its to refers epithet specific The AE;LgaRdna o 01(fl), 2011 Nov 1 Redonda, Lagoa (ASE); – m(s otro ea a 3 ca. petal posterior (vs. mm 6–7 .M .Mtse l 270 al. et Matos A. M. G. codn oIC 20)criteria, (2001) IUCN to According .sergipana M. cagi sergipana Mcvaughia egahczn ihnthe within zone geographic RZL egp:Mn Pirambu, Mun. Sergipe: BRAZIL. .Fonseca M. Mcvaughia a edsigihdfrom distinguished be can restinga AE CEPEC). (ASE, slne,i a greater has it longer, is ihu ubr(ASE number without , cagi bahiana Mcvaughia eeain within vegetation) 41 loocr on occurs also , 0 23 00 ,36 S,

+ to appears Mcvaughia .A Melo A. E. . mm), 4.5 49 0 08 .C. M. 00 W, 2 , , e oe nteeouinr n igorpia history biogeographical and evolutionary had have the the of may in that 2013) roles al. (Oligo- key epoch et its events this (Rossetti of during boundary) transgression coast most Miocene Brazilian of marine the the diversification along Numerous occurred the of for lineages. origin myr 2014) current the (2004, 25–15 for al. but myr et clade, Davis 38.0–33.9 2010). Basin Anderson estimated and Amazon (Davis the fruits throughout riversides ( along growing ( aiis(ads n uio 07 Fg 3). (Fig. 2007) angiosperm geo- Queiroz some and shield for (Cardoso crystalline families endemics holds over and grow formations logical that areas Caatinga other ai,C .adW .Adro.21.Acmlt eei hlgn of phylogeny generic complete A 2010. Anderson. R. W. and J. C. L. C. Davis, and Donoghue, J. M. Baum, A. D. Xi, Z. Schaefer, H. C., C. Davis, latitude High 2004. Mathews. S. and Bell, D. C. Fritsch, W. P. C., C. Davis, ads,D .O .adL .Qerz 07 iesdd eLeguminosae de Diversidade 2007. Queiroz. P. L. and S. O. B. D. Cardoso, 1979. R. W. Anderson, was RFA BOL0584/2013). # 486079/2013–9). (grant fellowship # doctoral FAPESB grant a Project, by sponsored Universal (Produtividade # grant and CNPq Project, Malpighiales Reflora from 563548/2010–0; 306992/2012–4; support while # assistance grant financial Pesquisa, their received em for graphi- AMA the staff support. for Marinho her cal C. and Lucas and ASE, collections herbarium of the consulting curator the Prata, Paula osti .F,F .R eer,adJ .L oige.21.Late 2013. Dominguez. L. M. J. and Bezerra, 3.1. R. Version H. F. criteria: F., and D. Rossetti, categories list red IUCN 2001. IUCN. 9.3.1. version ArcGIS, 2010. Institute. Research Systems ESRI-Environmental Burdachia clade Mcvaughia Mcvaughia Acknowledgments. apgica nerdfo uloiesqec aaadmor- and data sequence nucleotide phology. from inferred Malpighiaceae a by maintained USA Sciences stasis mutualism. morphological plant–pollinator Long-term 2014. Harmon. from Evidence clade: tropical exclusively Malpighiaceae. an of migrations Tertiary a atna eTcn,Bha implicac semi-a Bahia: Tucano, de Caatingas nas Brazil. lgcn-icn rngesosaogteeutra n eastern and Brazil. of equatorial margins the along transgressions Sur- Oligocene-Miocene Species IUCN K.: U. Commission. Cambridge, vival and Switzerland Gland, Institute. Research Systems Environmental California: Redlands, cagi clade Mcvaughia ´ iod odsed Brasil. do nordeste do rido Taxon sas on nGyn) ihwater-dispersed with Guyana), in found also is mrcnJunlo Botany of Journal American sasse-ru of sister-group a is 1:5914–5919. 111: 8 157–161. 28: ,bt mzna iegsuulyfound usually lineages Amazonian both ), nentoa ora fPatSciences Plant of Journal International at-cec Reviews Earth-Science Mcvaughia etakKe os o h rwns r.Ana Dra. drawings, the for Sousa Klei thank We . ieaueCited Literature e eu fMlihaeefrom Malpighiaceae of genus new a , rceig fteNtoa cdm of Academy National the of Proceedings Rodriguesia 7 2031–2048. 97: Burdachia 2:87–112. 123: ¸o ˜ spr ioegai do fitogeografia a para es 8 379–391. 58: and 6:S107–S121. 165: Mcvaughia Glandonia