Himatanthus is a genus of flowering plant in the family Apocynaceae, first described as a genus in 1819. It is native to Panama and South America.Kew World Checklist of Selected Plant FamiliesSpina, A.P., Bittrich, V. & Kinoshita, L.S. (2013). Typifications, new synonyms and a new combination in Himatanthus (Apocynaceae). Taxon 62: 1304-1307.Morokawa, R. & al. (2013). Apocynaceae s. str. do Parque Nacional da Serra da Canastra, Minas Gerais, Brasil. Rodriguésia; Revista do Instituto de Biologia Vegetal, Jardim Botânico e Estaçao Biologica do Itatiaya 64: 179-199.Walderley, M.G.L., Shepherd, G.J., Melhem, T.S. & Giulietti, A.M. (eds.) (2005). Flora Fanerogâmica do Estado de São Paulo 4: 1-392. Instituto de Botânica, São Paulo.

Species Himatanthus articulatus (Vahl) Woodson - widespread from Panama east to French Guiana and south to Bolivia Himatanthus attenuatus (Benth.) Woodson - Venezuela, Colombia, N Brazil Himatanthus bracteatus (A.DC.) Woodson - Venezuela, Colombia, Guianas, Brazil, Peru, Ecuador Himatanthus drasticus (Mart.) Plumel - Guianas, Brazil Himatanthus lancifolius (Müll.Arg.) Woodson Himatanthus obovatus (Müll.Arg.) Woodson - Brazil, Bolivia, Guyana Himatanthus phagedaenicus (Mart.) Woodson - S Venezuela, NW Brazil Himatanthus semilunatus Markgr. - Amazon Basin Himatanthus stenophyllus Plumel - Colombia, NW Brazil, Guyana, Suriname Himatanthus tarapotensis (K.Schum. ex Markgr.) Plumel - Colombia, Bolivia, Brazil, Peru, Ecuador

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