Croton nitidulus Baker, J. Linn. Soc., Bot. 20: 253. 1883

Berry, Paul E., Kainulainen, Kent & Ee, Benjamin W. van, 2017, A Nomenclator of Croton (Euphorbiaceae) in Madagascar, the Comoros Archipelago, and the Mascarene Islands, PhytoKeys 90, pp. 1-87 : 52

99. Croton nitidulus Baker, J. Linn. Soc., Bot. 20: 253. 1883

Croton microprunus Baill., Bull. Mens. Soc. Linn. Paris 2: 861. 1890. Type. Madagascar. Prov. Toamasina: Alaotra-Mangoro Region, Didy, 14 Aug 1889, L.D.M. Catat 1812 (holotype: P [P00132942]!).

Croton macrochlamys Baill., Bull. Mens. Soc. Linn. Paris 2: 863. 1890. Type. Madagascar. sin. loc., s.d., R. Baron 4074 (holotype: K [K001040393]!).

Croton fuscirameus Baill., Bull. Mens. Soc. Linn. Paris 2: 927. 1891. Type. Madagascar. "Central Madagascar, received Dec 1883, R. Baron 2988 (lectotype, designated here: K [K001040379]!; isolectotype: P [P00154398]!).

Croton nitidulus var. meridionalis Leandri, Ann. Mus. Colon. Marseille, sér. 5, 7(1): 39. 1939. Type. Madagascar. Prov. Fianarantsoa: Chaîne du Vohibory, à l’Ouest d’Ivohibe, 1000-1300 m, 1 Nov 1924, H. Humbert 3051bis (lectotype, designated here: P [P00133622]!; isolectotypes: G [G00446406]!), K [K001040388, K001040390]!. Madagascar. Prov. Fianarantsoa: haute vallée de l’Iantara, bassin du Manampatra, 500-800 m, 16-17 Nov 1924, H. Humbert 3433 (syntype: P [P00133623]!).

Croton nitidulus var. parvifolius Leandri, Ann. Mus. Colon. Marseille, sér. 5, 7(1): 39. 1939, as ' parvifolia '. Type. Madagascar. Prov. Antsiranana: Analamahitso (haut Bemarivo), 1000 m, Aug 1907, H. Perrier de la Bâthie 9534 (holotype: P [P00133648]!).

Croton nitidulus var. spatulatus Leandri, Ann. Mus. Colon. Marseille, sér. 5, 7(1): 40. 1939, as ' spatulata '. Type. Madagascar. Prov. Toamasina: Bassin de l’Onive, Mangoro, forêt d’Andasibe, 1000 m, Nov 1911, H. Perrier de la Bâthie 9659 (lectotype, designated here: P [P00133626]!; isolectotypes: P [P00133627]!, P [P00133628]!).

Croton nitidulus var. fuscirameus (Baill.) Radcl.-Sm., Gen. Croton Madag. Comoro 171. 2016. Type. Based on Croton fuscirameus Baill.

Croton bracteatus subsp. manongarivensis Radcl.-Sm., Gen. Croton Madag. Comoro 137. 2016, syn. nov. Type. Madagascar. Prov. Antsiranana: Manongarivo Massif, above Ambodisakoana, E of Ankaramy, 14°05'S, 48°20'E, 17 Oct 1994, G. McPherson & H. van der Werff 16377 (holotype: K!; isotype: MO!).

Croton nitidulus subsp. angustiglans Radcl.-Sm., Gen. Croton Madag. Comoro 170. 2016, syn. nov. Type. Madagascar. Prov. Toamasina: Route d’Anjiro-Moramanga (M28), Nov 1938, G. Cours 813 (holotype: P [P00148095]!).

Croton nitidulus subsp. bekolosiensis Radcl.-Sm., Gen. Croton Madag. Comoro 170. 2016, syn. nov. Type. Madagascar. Prov. Antsiranana: Réserve Spéciale de Manongarivo, R. Bekolosy, 1180 m, 14°02'S, 48°18'E, 16 May 1995, L. Gautier & C. Chatelain LG2681 (holotype: K!; isotype: G!).

Type.

Madagascar. Madag. Centr., s.d., R. Baron 1302 (lectotype, designated here: K [K000347491]!; isolectotype: P [P00133607]!) . Madagascar. Madag. Centr., s.d., R. Baron 1349 (syntypes: K [K000347490]!, P [P00133610]!, P [P00133611]!) .

Habit and distribution.

Shrubs; montane forests of eastern and central Madagascar (Antsiranana, Antananarivo, Fianarantsoa, Toamasina, Toliara).