Croton geayi Leandri, Bull. Mus. Natl. Hist. Nat., ser . 2, 3: 368. 1931

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

58. Croton geayi Leandri, Bull. Mus. Natl. Hist. Nat., ser. 2, 3: 368. 1931

Croton geayi var. paucisquamatus Radcl.-Sm., Gen. Croton Madag. Comoro 94. 2016, syn. nov. Type. Madagascar. Prov. Toliara: Plateau Mahafaly à l’Ouest de Betioky, 17-20 Mar 1955, H. Humbert & R. Capuron 29490 (holotype: P [P00123679]!).

Croton geayi var. pubescens Radcl.-Sm., Gen. Croton Madag. Comoro 95. 2016, syn. nov. Type. Madagascar. Prov. Toliara: vallée inférieure de l’Onilahy, 12 Aug 1928, H. Humbert & C.F. Swingle 5235 (holotype: P [P00133137]!; isotype: G!).

Type.

Madagascar. Prov. Toliara: sin. loc., 1906, M.F. Geay 28 (holotype: P [P00133132]!) .

Habit and distribution.

Shrubs; southern Madagascar (Toliara).

Notes.

The two varieties of Croton geayi described by Radcliffe-Smith (2016) only differ from the nominal species in degree and type of pubescence, and this does not seem to justify their recognition as distinct taxonomic entities.