Ruellia, like most houseplants, is a native of southern countries. She is a member of the Acanthus family, numbering about 4,000 species. Under natural conditions, plants of this family are widespread in Africa, Brazil, Central America. Ruellia belongs to the genus of the same name, named after the French physician and botanist Jeanne Ruelle. The plants that make up the genus Ruellia are mostly herbaceous, [...]