Chromolaena odorata is a tropical and subtropical species of flowering shrub in the sunflower family. It is native to the Americas, from Florida and Texas in the United States south through Mexico and the Caribbean to South America. It has been introduced to tropical Asia, west Africa, and parts of Australia. Common names include Siam weed, Christmas bush, devil weed, camphor grass, common floss flower, communist green and triffid.
what is the botanical name of siam weed
Chromolaena odorata