Croton (Euphorbiaceae) of the Brazilian state of Paraná: an annotated checklist, species distribution, and identification key Author Pereira, Amanda Da Paixão Noronha 0000-0003-4874-129X Instituto de Pesquisas Ambientais, Núcleo de Pesquisa Curadoria do Herbário, São Paulo, SP 01061 - 970, Brazil & Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ecologia e Biologia Evolutiva, 09972 - 270, Diadema, SP, Brazil. & amanda. pnoronhap @ gmail. com; https: // orcid. org / 0000 - 0003 - 4874 - 129 X amanda.pnoronhap@gmail.com Author Riina, Ricarda 0000-0002-7423-899X Real Jardín Botánico (RJB), CSIC, Plaza de Murillo 2, 28014, Madrid, Spain. & rriina @ rjb. csic. es; https: // orcid. org / 0000 - 0002 - 7423 - 899 X rriina@rjb.csic.es Author Caruzo, Maria Beatriz Rossi 0000-0002-8393-214X Instituto de Pesquisas Ambientais, Núcleo de Pesquisa Curadoria do Herbário, São Paulo, SP 01061 - 970, Brazil & Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ecologia e Biologia Evolutiva, 09972 - 270, Diadema, SP, Brazil. & mbrcaruzo @ unifesp. br; https: // orcid. org / 0000 - 0002 - 8393 - 214 X mbrcaruzo@unifesp.br text Phytotaxa 2022 2022-10-28 570 3 231 274 http://dx.doi.org/10.11646/phytotaxa.570.3.1 journal article 176492 10.11646/phytotaxa.570.3.1 e5151877-6fa0-44de-b9c3-4577de526c95 1179-3163 7260277 29. Croton salutaris Casaretto (1845: 89) . Lectotype (designated by Delprete et al. 2019): BRAZIL . Rio de Janeiro : Serra dos Órgãos , May 1839 , G. Casaretto 856 (TO, isolectotype G-DC 00311745!). ( Fig. 15 , J–L) Of all the tree species of Croton present in Paraná , C. salutaris is the only one covered exclusively by lepidote trichomes, which confer the silvery coloration of young branches and leaves. The species is also unique among the Croton species from Paraná in having urceolate pistillate flowers. It belongs to sect. Cleodora subsect. Sphaerogyni Caruzo (2011: 204) ( Caruzo et al. 2011 ). Distribution and habitat:— It occurs in southern ( PR ) and southeastern (ES, MG, RJ, SP) Brazil ( Caruzo & Cordeiro 2013 , Caruzo et al. 2020 ). It grows in montane wet forests and riparian forest. In Paraná , the species is only known from a single collection, between 800 and 1000 m elevation, close to the boundary with the State of São Paulo , possibly representing its southernmost population ( Fig. 16 ). Phenology:— Flowering from January. Representative specimens:— PARANÁ: Adrianópolis, Parque Estadual das Lauráceas , 01 January 2000 , I . Isernhagen 235 (UPCB). SÃO PAULO: Cunha , Parque Estadual da Serra do Mar , Núcleo Cunha-Indaiá, 30 November 2004 , M . B . R . Caruzo, I. Cordeiro, S.E. Martins & L. Rossi 81 (SP, SPF).