In Nigeria it is referred to as ‘obu inenawa’ by the
Igbos and ‘ewe awolowo’ by the Yorubas. It originally spread from southern Mexico to
Argentina and Caribbean, but has been introduced into diverse ecological areas of tropical lands
[2].Chromolaena odorata in tropical Africa has acquired a reputation as a medicinal herb for a
variety of ailments including malaria, dysentery, toothache and fever [3]. Medicinally the plant
decoction is taken as a remedy for cough and cold or in bath to treat skin diseases and its
popularity as an effective therapy against diarrhoea, malaria fever, tooth ache, diabetes, skin
diseases, dysentery and colitis has been severally documented [4]. In folk medicine, aqueous
leaf extract of the plant is used as antiseptic for wound dressing [5]. Fresh juice from the leaf is
also used as haemostatic to arrest bleeding from fresh cuts and to stop nose bleeding [1].