Are Costus and Boenninghausenia plants both found in the Americas?
Boenninghausenia Boenninghausenia is a monotypic plant genus in the family Rutaceae. The sole species is Boenninghausenia albiflora, which occurs in Bhutan, Nepal, Pakistan, Kashmir, India, Indonesia, Philippines, Myanmar, Thailand, Laos, North Vietnam, China and Japan.
Heterosperma pinnatum 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 southwestern United States (Arizona, New Mexico, western Texas, southern Colorado), United States (Arizona, New Mexico, Texas, Colorado), Bolivia, Venezuela