Heterosperma pinnatum, the wingpetal, is a New World species of plants in the sunflower family. It has a discontinuous distribution in North and South America, having been found in Bolivia, Venezuela, Mexico, Guatemala, Honduras, and the south-western United States (Arizona, New Mexico, western Texas, southern Colorado),
Photo of herbarium specimen at Missouri Botanical Garden, collected in Guatemala in 2008
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*All information is based on published scientific research