Diploon is a genus of plant in the family Sapotaceae described as a genus in 1946.Cronquist, Arthur John. 1946. Bulletin of the Torrey Botanical Club 73: 466Tropicos, Diploon Cronquist

There is only one known species, Diploon cuspidatum, native to South America (Brazil, Venezuela, Guyana, Bolivia, Peru, Ecuador).Kew World Checklist of Selected Plant FamiliesBerry, P.E., Yatskievych, K. & Holst, B.K. (eds.) (2005). Rutaceae-Zygophyllaceae. Flora of the Venenzuela Guayana 9: 1-608. Missouri Botanical Garden, St. Louis.Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.Alves-Arauja, A. & Alves, M. (2010). Flora da Usina São José, Igarassu, Pernambuco: Sapotaceae. Rodriguésia; Revista do Instituto de Biologia Vegetal, Jardim Botânico e Estaçao Biologica do Itatiaya 61: 303-318.

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