In southern Brazil, Paraguay and northern Argentina (Chaco Region) is the common name of a toxic plant. It belongs to the family Asteraceae. In Guaraní language it means water watertgrass plant or water watert grass. It is toxic and has medicinal uses. It is also known in the region as caápétay. In Colombia we say chiva, vhiba or hemosstatic plant, in Costa Rica Santa Lucia (and many more names) and in Brazil quebrapedra. Its scientific name is Ageratum conyzoides. this plant has many regional names in every country in South and Central America.
