Croton fianarantsoae Leandri, Adansonia, ser . 2, 13: 295. 1973

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 : 33

56. Croton fianarantsoae Leandri, Adansonia, ser. 2, 13: 295. 1973

Croton nitidulus var. grandifolius Leandri, Ann. Mus. Colon. Marseille, sér. 5, 7(1): 39. 1939, as ' grandifolia '. Type. Madagascar. Prov. Fianarantsoa: Vondrozo, 17 Sep 1926, R. Decary 5333 (holotype: P [P00133643]!; isotypes: K [K001040382]!, P [P00425637 - wood], S [S07-17118]!, TAN [TAN000539]!).

Croton nitidulus var. tandrokensis Leandri, Ann. Mus. Colon. Marseille, sér. 5, 7(1): 39. 1939, syn. nov. Type. Madagascar. Prov. Fianarantsoa: Massif d’Andringitra, col du Tandroka, versant Est, 1200 m, Sep 1910, H. Perrier de la Bâthie 9749 (holotype: P [P00133638]!).

Croton fianarantsoae var. grandifolius Leandri, Adansonia, sér. 2, 13: 297. 1973, as ' grandifolia ', syn. nov. Type. Madagascar. Prov. Toamasina: Sahasanato, Antajonomby, Canton Befody, Distr. Nosy-Varika [N de Manajary], 21 May 1955, Service Forestier 14556 (lectotype, designated here: P [P00154399]!; isolectotypes: P [P00154400]!, P [P00154401]!, TEF [TEF000191]!).

Croton daphniphylloides var. hirsutus Radcl.-Sm., Gen. Croton Madag. Comoro 165. 2016, syn. nov. Type. Madagascar. Prov. Fianarantsoa: Parc National de Ranomafana, Talakately, 21°15'S, 47°27'E, 27 Jul-6 Aug 1993, A. Kotozafy 131 (holotype: K!; isotypes: MO, P [P00433137]!).

Croton fianarantsoae var. coursii Radcl.-Sm., Gen. Croton Madag. Comoro 154. 2016, syn. nov. Type. Madagascar. Prov. Toamasina: Rahobevava, 1300 m, 14 Mar 1951, G. Cours 4370 (holotype: P [P00133614]!).

Croton fianarantsoae var. microphyllus Radcl.-Sm., Gen. Croton Madag. Comoro 155. 2016, syn. nov. Type. Madagascar. Prov. Fianarantsoa: Parc National de Ranomafana, SE of Savondronona, Maharira, 21°18'S, 47°23'E, 1200-1400 m, 21-23 Apr 1993, S. Malcomber, C. Hemingway & A. Randriamanantena 2441 (holotype: K!; isotypes: MO, P [P00422457]!).

Croton fianarantsoae var. ranomafanae Radcl.-Sm., Gen. Croton Madag. Comoro 156. 2016, syn. nov. Type. Madagascar. Prov. Fianarantsoa: Parc National de Ranomafana, trail S from Cabine de Recherche to Vato camp, 21°15'S, 47°27'E, 1060 m, 11-15 Nov 1991, S. Malcomber, A. Leeuwenberg, C. Rakotomazana, H. Ranarljadna & G. Rahajasoa 1042 (holotype: K; isotypes: MO, P [P00422461]!).

Croton fianarantsoae var. tandrokensis (Leandri) Radcl.-Sm., Gen. Croton Madag. Comoro 156. 2016, syn. nov. Type. Based on Croton nitidulus var. tandrokensis Leandri

Type.

Madagascar. Prov. Fianarantsoa: Andrambovato, Parcelle B 5 [ Fort Carnot ], 23 Mar 1954, Service Forestier 10169-SF (holotype: P [P00338570]!; isotype: P [P00154402]!, TEF [TEF000190]!) .

Habit and distribution.

Shrubs to small trees; eastern Madagascar (Antsiranana, Fianarantsoa, Toamasina).

Notes.

Croton fianarantsoae is part of a difficult species complex, and further work is needed to differentiate it from similar species such as C. nitidulus .