Spongiosperma
Spongiosperma is a genus of plant in family Apocynaceae first described as a genus in 1988. It is native to the South America, nations of Venezuela, Colombia, and Brazil.
;SpeciesSpongiosperma cataractarum Zarucchi - Bolívar State in SE VenezuelaSpongiosperma grandiflorum Zarucchi - Amapá, Pará, MaranhãoSpongiosperma longilobum Zarucchi - Amazonas State in NW BrazilSpongiosperma macrophyllum Zarucchi - S Venezuela, SE Colombia, NW BrazilSpongiosperma oleifolium Zarucchi - Amazonas State in S VenezuelaSpongiosperma riparium Zarucchi - S Venezuela, SE Colombia