Brazilian calla-lily, Richardia brasiliensis, family Rubiaceae

''Richardia brasiliensis'' is a species of flowering plant in the coffee family known by the English common names tropical Mexican clover, Brazilian calla-lily, white-eye, and Brazil pusley. In Brazil it is known as ''poaia branca''. It is native to South America. It is an introduced species and sometimes an invasive weed in many other places, including Hawaii, Indonesia, Japan, and Thailand. It is a weed of citrus groves in Florida.