Croton tranomarensis var. isomoni Leandri, Ann. Mus. Colon. Marseille, ser . 5, 7(1): 61. 1939

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 : 68

Croton tranomarensis var. isomoni Leandri, Ann. Mus. Colon. Marseille, ser. 5, 7(1): 61. 1939

Type.

Madagascar. Prov. Toliara: Anosy Region, vallée de la Manombolo, rive droite (basin du Mandrare) aux environs d’Isomono (confluent de la Sakamalio), mont Morahariva , 1000-1200 m, Oct 1933, H. Humbert 13105 (lectotype, designated here: P [P00133393]!; isolectotypes: G [G00446403]!, P [P00133391]!, P [P00133392]!; K [K001040390]!, TAN [TAN000546]) .

Notes.

The leaves of these specimens are too small to conform to Croton meridionalis , and Radcliffe-Smith (2016) also expressed doubt that it belonged there but did not know where else to place it.