Table 1. Voucher information and GenBank accession numbers for taxa used in this study. Newly generated sequences in bold.,,,,, ,,,,, Taxon,Voucher,Herbarium,nrITS,matK,trnD-trnT Inga edulis Mart.,Queiroz 13797; Pennington 13282,HUEFS; K,JX870764,AF523078,JQ417383 "Lachesiodendron viridiflorum (Kunth) P.G.Ribeiro, L.P.Queiroz & Luckow",Queiroz 13090,HUEFS,MG001274,MG001286,MG001305 Microlobius foetidus (Jacq.) M.Sousa & G.Andrade,Hughes 2150,FHO,KT364047,KT364172,FJ981976 Microlobius foetidus (Jacq.) M.Sousa & G.Andrade,Macqueen 432,FHO,AF458783,AF523095,(No data) Mimosa palmeri Rose,Simon 823,FHO,KT364059,KT364212,FJ982142 Mimosa pigra L.,Hughes 2414,FHO,KT364060,KT364213,FJ982148 Mimosa ursina Mart.,Simon 704,CEN,KT364061,KT364210,FJ982217 Parapiptadenia blanchetii (Benth.) Vaz & M.P.Lima,Queiroz 15358,HUEFS,OM575100,ON409904,ON409927 Parapiptadenia blanchetii (Benth.) Vaz & M.P.Lima,Thomas 12372,NY,OM575099,ON409905,(No data) Parapiptadenia excelsa (Griseb.) Burkart,Hughes 2425,FHO,KT364062,KT364160,FJ982235 Parapiptadenia ilheusana G.P.Lewis,Neves 1659,RB,OM575101,KY046081,ON409928 Parapiptadenia pterosperma (Benth.) Brenan,Cardoso 2359,HUEFS,OM575102,ON409906,ON409929 Parapiptadenia pterosperma (Benth.) Brenan,Ribeiro 902,HUEFS,MG001260,ON409910,MG001292 Parapiptadenia rigida (Benth.) Brenan,Marestoni 26,HUEFS,MG001261,ON409909,(No data) Parapiptadenia zehntneri (Harms) M.P.Lima & H.C.Lima,Cotarelli 2029,HUEFS,OM575104,ON409907,(No data) Parapiptadenia zehntneri (Harms) M.P.Lima & H.C.Lima,Pereira-Silva 3102,CEN,KT364063,KT364063,KT364108 Parapiptadenia zehntneri (Harms) M.P.Lima & H.C.Lima,Queiroz 10974,HUEFS,OM575105,ON409908,(No data) Parapiptadenia zehntneri (Harms) M.P.Lima & H.C.Lima,Queiroz 15692,HUEFS,OM575106,KX302341,(No data) Piptadenia gonoacantha (Mart.) J.F.Macbr.,Simon 735,FHO,KT364065,DQ790620,FJ982238 Piptadenia stipulacea (Benth.) Ducke,Simon 702; Queiroz 3115,CEN; HUEFS,KT386296,DQ790634,FJ982239) Pityrocarpa leucoxylon (Barneby & J.W.Grimes) Luckow & R.W.Jobson,Fernandez 2909,NY,(No data),DQ790622,(No data) Pityrocarpa moniliformis (Benth.) Luckow & R.W.Jobson,Melo 7518,HUEFS,(No data),ON409911,ON409936 Pityrocarpa moniliformis (Benth.) Luckow & R.W.Jobson,Queiroz 9084,HUEFS,ON191501,ON409912,(No data) Pityrocarpa moniliformis (Benth.) Luckow & R.W.Jobson,Way 2449,K,KT364067,KT364162,FJ982242 Pityrocarpa obliqua (Pers.) Brenan subsp. brasiliensis (G.P.Lewis) Luckow & R.W.Jobson,Queiroz 12903,HUEFS,ON191500,ON409920,(No data) Pityrocarpa obliqua (Pers.) Brenan subsp. obliqua,Macqueen 439,FHO,KT364068,KT364206,FJ982243 Pseudopiptadenia bahiana G.P.Lewis & M.P.Lima,Melo 138,HUEFS,OM575115,ON409916,ON409930 Pseudopiptadenia bahiana G.P.Lewis & M.P.Lima,Queiroz 15381,HUEFS,MG001277,MG001290,ON409931 Pseudopiptadenia bahiana G.P.Lewis & M.P.Lima,Queiroz 15504,HUEFS,OM575114,ON409917,ON409932 Pseudopiptadenia brenanii G.P.Lewis & M.P.Lima,Borges 680,SPF,KT364069,(No data),KT364111 Pseudopiptadenia brenanii G.P.Lewis & M.P.Lima,Cardoso 2807,HUEFS,OM575108,ON409914,ON409937 Pseudopiptadenia brenanii G.P.Lewis & M.P.Lima,Harley 56005,HUEFS,OM575109,ON409915,(No data) Pseudopiptadenia brenanii G.P.Lewis & M.P.Lima,Queiroz 15585,HUEFS,MG001278,ON409913,ON409938 Pseudopiptadenia contorta (DC.) G.P.Lewis & M.P.Lima,Queiroz 15507,HUEFS,(No data),KT364155,KT364113 Pseudopiptadenia contorta (DC.) G.P.Lewis & M.P.Lima,Queiroz 15582,HUEFS,MG001279,KX302348,MG001308 Pseudopiptadenia inaequalis (Benth.) Rauschert,Lima 7790,RB,OM575111,ON409921,ON409939 Pseudopiptadenia leptostachya (Benth.) Rauschert,Lima 8231,RB,OM575113,ON409922,ON409940 Pseudopiptadenia leptostachya (Benth.) Rauschert,Lima 8326,RB,OM575112,ON409923,ON409941 Pseudopiptadenia psilostachya (DC.) G.P.Lewis & M.P.Lima,Simon 1245,CEN,KT364070,KT364170,KT364114 Pseudopiptadenia schumanniana (Taub.) G.P.Lewis & M.P.Lima,Lima 7938,RB,OM575110,ON409924,ON409942 Pseudopiptadenia sp.,Neves 1675,RB,OM575116,ON409918,ON409933 Pseudopiptadenia sp.,Ribeiro 351,HUEFS,OM575117,ON409919,(No data) Pseudopiptadenia suaveolens (Miq.) J.W.Grimes = P. psilostachya,Moacir & Clovis sn,IAN,OM575119,ON409925,ON409934 Pseudopiptadenia warmingii (Benth.) G.P.Lewis & M.P.Lima,Queiroz 12761,HUEFS,OM575118,ON409926,ON409935 Senegalia macrostachya (Rchb. ex DC.) Kyal. & Boatwr.,Miller 1322,CANB,KY688790,KY688920,(No data) Senegalia nigrescens (Oliv.) P.J.H.Hurter,Maurin 255,JRAL,JQ265858,GQ872237,(No data) Stryphnodendron adstringens (Mart.) Coville,Souza 29702,ESA,KT364072,KT364198,KT364116 Stryphnodendron coriaceum Benth.,Scalon 718,ESA,(No data),KT364200,KT364120 Stryphnodendron duckeanum Occhioni,Simon 1343,CEN,KT364076,(No data),KT364122 Stryphnodendron fissuratum E.M.O.Martins,Ivanauskas sn,ESA,KT364077,KT364175,KT364124 Stryphnodendron foreroi E.M.O.Martins,Assis 1143,SPF,KT364079,KT364201,KT364126 Stryphnodendron gracile Rizzini & Heringer,Scalon 458,ESA,KT364080,KT364177,KT364127 Stryphnodendron obovatum Benth.,Scalon 712,ESA,KT364081,KT364182,KT364130 Stryphnodendron occhionianum E.M.O.Martins,Simon 1597,CEN,KT364083,(No data),KT364132 Stryphnodendron paniculatum Poepp.,Simon 1058,CEN,KT364084,(No data),KT364133 Stryphnodendron polyphyllum Mart.,Mello-Silva 2659,SPF,KT364086,KT364184,KT364136 Stryphnodendron pulcherrimum (Willd.) Hochr.,Simon 980,CEN,KT364087,(No data),KT364137 Stryphnodendron roseiflorum (Ducke) Ducke,Scalon 728,ESA,KT364090,KT364193,KT364143 Stryphnodendron rotundifolium Mart.,Scalon 715,ESA,KT364094,KT364194,KT364147 Stryphnodendron velutinum,Scalon 719,ESA,KT364101,KT364187,KT364153