Chromolaena oteroi

Chromolaena oteroi, the Mona Island thoroughwort, is a species of flowering shrub in the family Asteraceae. It has been found only on Mona Island, a small island between Puerto Rico and Hispaniola in the West Indies and politically a part of the Commonwealth of Puerto Rico.

The shrub, with its pale purple flowers, was named after botanist José I. Otero.