Annesijoa is an endemic monotypic genus from New Guinea with as single species A. novoguineensis. Elateriospermum is also monotypic (E. tapos) and found in West Malesia. The South American genus Hevea comprises about 10 species. One species (H. brasiliensis) is presently cultivated worldwide in plantations for its rubber and has become one of the major economic products of SE Asia. Two other species, H. guianensis and H. pauciflora are sometimes present in Malesian botanical gardens.

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Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Sam, H. V., & van Welzen, P. C. (2004). Revision of Annesijoa, Elateriospermum and the introduced species of Hevea in Malesia (Euphorbiaceae). Blumea: Biodiversity, Evolution and Biogeography of Plants, 49(2/3), 425–440.