Bourreria is a genus of flowering plants in the family Ehretiaceae. 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 tropical Americas and to eastern Africa and Madagascar. American 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. The eastern African species range from Ethiopia to Mozambique and to Madagascar, the Comoro Islands, and Mauritius.