Are Costus and Boenninghausenia plants both found in the Americas?
Costus Costus is a group of perennial herbaceous plants in the family (Costaceae) described by Linnaeus as a genus in 1753. It was formerly known as "Hellenia" after the Finish botanist Carl Niclas von Hellens. It is widespread through tropical and subtropical regions of Asia, Africa, and the Americas.
Bourreria Bourreria is a genus of flowering plants in the borage family, Boraginaceae. Members of the genus are commonly known as strongbark or strongback. The generic name was chosen by Patrick Browne to honour German pharmacist Johann Ambrosius Beurer. The genus is native to the Americas, where species are distributed from Mexico to northern South America, and in the Caribbean and Florida in the United States. The center of diversity is in the Caribbean, Central America, and Mexico.