Heterosperma is a genus of flowering plants in the sunflower family, native to North and South America.SpeciesHeterosperma achaetum S.F.Blake - Colombia Heterosperma diversifolium Kunth - Bolivia, Peru, Argentina, Ecuador Heterosperma nanum (Nutt.) Sherff - Bolivia, Peru, Argentina, Chile Heterosperma ovatifolium Cav. - Bolivia, Peru, Argentina, Chile Heterosperma pinnatum Cav. - Mesoamerica, United States, Bolivia, Venezuela Heterosperma tenuisectum (Griseb.) Cabrera - Bolivia, Peru, Argentina Heterosperma xanti A.Gray - Mexico