A Nomenclator of Croton (Euphorbiaceae) in Madagascar, the Comoros Archipelago, and the Mascarene Islands Author Berry, Paul E. Herbarium, Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, Michigan 48108, U. S. A. peberry@umich.edu Author Kainulainen, Kent Herbarium, Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, Michigan 48108, U. S. A. Author Ee, Benjamin W. van Department of Biology, Universidad de Puerto Rico, Recinto Universitario de Mayagueez, Mayagueez, PR 00680, Puerto Rico, U. S. A. text PhytoKeys 2017 2017-11-15 90 1 87 http://dx.doi.org/10.3897/phytokeys.90.20586 journal article http://dx.doi.org/10.3897/phytokeys.90.20586 1314-2003-90-1 80067D29FFFB7D34FF80E95D553F4254 1138341 113. Croton stanneus Baill., Bull. Mens. Soc. Linn. Paris 2: 850. 1890, as 'stanneum' Croton perrieri Leandri, Bull. Mus. Natl. Hist. Nat., ser . 2, 3: 369. 1931. Type. Madagascar. Prov. Mahajanga: Le Berizoka [Beritsoka], Oct 1897, H. Perrier de la Bathie 353 (lectotype, designated by Kainulainen et al. 2017b , pg. 378: P [P00404485]!; isolectotypes: K [K001040360]!, P [P00404484], P [P00404486]!, P [P00404487]!). Croton baldauffii Leandri, Ann. Mus. Colon. Marseille, ser . 5, 7(1): 55. 1939, as ' baldauffi '. Type. Madagascar. Prov. Toliara: foret de Besomaty, entre le Fiherenana et l'Isahena (Mangoky), 750-800 m, Oct 1933, H. Humbert 11249 (lectotype, designated by Kainulainen et al. 2017b , pg. 378: P [P00301487]!; isolectotype: P [P00127468]!). Croton ikopae Leandri, Ann. Mus. Colon. Marseille, ser . 5, 7(1): 83. 1939. Type. Madagascar. Prov. Antananarivo: Analamanga Region, vallee de l'Ikopa , au NW d'Ankazobe , 15 Mar 1930, R. Decary 7554 (lectotype, designated by Kainulainen et al. 2017b , pg. 378: P [P00154394]!; isolectotypes: K [K001040362]!, P [P00154395]!, P [P00154396]!, P [P00154397]!). Croton crocodilorum var. platyaster Radcl.-Sm., Gen. Croton Madag. Comoro 112. 2016. Type. Madagascar. Prov. Toliara: foret du Zombitsy, pres de Sakaraha, Mar 1960, M. Keraudren 510 (holotype: P [P00154485]!). Croton parvifructus Radcl.-Sm., Gen. Croton Madag. Comoro 122. 2016. Type. Madagascar. Prov. Toliara: Foret de Zombitsy, au NE de Sakaraha (150 km NE Tulear ), 600-800 m, 2 Nov 1960, J. Leandri & J. Ratoto 3605 (holotype: P [P00132992]!). Croton stanneus var. hirsutus Radcl.-Sm., Gen. Croton Madag. Comoro 64. 2016. Type. Madagascar. Prov. Fianarantsoa. Andranovola, near Lomanosiny, Antambohobe Canton, Ivohibe District, 13 Aug 1967, Service Forestier 26381 (holotype: P [P00133592]!). Type . Madagascar . "Madag. centr.", received Nov 1885 , R. Baron 3382 ( holotype : K [K001040368]!, isotype: P [P00133580]!) . Habit and distribution. Shrubs to small trees; across most of Madagascar (Antananarivo, Antsiranana, Fianarantosa, Mahajanga, Toamasina, Toliara). Notes. See Kainulainen et al. (2017b) for a discussion on the morphological variation and recircumscription of this widespread species.