Heterosperma pinnatum, the wingpetal, is a New World species of plants in the family Asteraceae. It has a discontinuous distribution in North and South America, having been found in Bolivia,Foster, R. C. 1958. A catalogue of the ferns and flowering plants of Bolivia. Contributions from the Gray Herbarium of Harvard University 184: 1–223 Venezuela,Hokche, O., P. E. Berry & O. Huber. (eds.) 2008. Nuevo Catálogo de la Flora Vascular de Venezuela 1–859. Fundación Instituto Botánico de Venezuela, Caracas Mexico, Guatemala, Honduras, and the south-western United States (Arizona, New Mexico, western Texas, and southern Colorado).Strother, J. L. 1999. Compositae–Heliantheae s. l. 5: 1–232. In D.E. Breedlove (ed.) Flora of Chiapas. California Academy of Sciences, San FranciscoBiota of North America Program 2013 county distribution mapFlora of North America, Heterosperma pinnatum Cavanilles, Icon. 3: 34. 1795.
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External links Photo of herbarium specimen at Missouri Botanical Garden, collected in Guatemala in 2008