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Sylvichadsia, a new genus in the tribe Millettieae (Leguminosae-Papilionoideae) is described. It includes four species, all endemic to Madagascar (S. macrophylla (R. Vig.) Du Puy & Labat, S. grandifolia (R. Vig.) Du Puy & Labat, S. grandidieri (Baill.) Du Puy & Labat, and S. perrieri (R. Vig.) Du Puy & Labat).
Leguminosae, Papilionoideae, Sylvichadsia, Madagascar