Amphiphyllum is a group of plants in the family Rapateaceae described as a genus in 1931.Gleason, Henry Allan. 1931. Bulletin of the Torrey Botanical Club 58: 332Tropicos, Amphiphyllum Gleason
The only known species is Amphiphyllum rigidum, endemic to the Cerro Duida of Amazonas State in southern Venezuela.Kew World Checklist of Selected Plant FamiliesHokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
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