Spongiosperma macrophyllum is a species of plant in the family Apocynaceae first described in 1860. It is native to the Amazon Basin of South America, nations of Venezuela, Colombia, and Brazil .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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