Botanical name : Chromolaena odorata King & Robinson.
Family : Asteraceae
SANSKRIT SYNONYMS
Ropani, Seekhrasarpi
AYURVEDIC PROPERTIES
Rasa    : Kashaya, Tikta, Amla
Guna   : Lakhu, Snigdha
Virya   : Seeta
PLANT NAME IN DIFFERENT LANGUAGES
English  : Eupatorium
Hindi  :
Malayalam : Venappacha, Assam pacha, Communist pacha
Distribution – Throughout India, growing in wastelands as a weed   
PLANT DESCRIPTION
An annual or biennial herb grows up to 3 meters in height. Leaves simple, opposite, ovate, or rhomboid, serrate, or dentate, long petioled and bright green colored. Flowers white, seen in terminal or axillary panicled heads. Seeds small and is crowned with silky hairs for wind dispersion. 
MEDICINAL PROPERTIES
Plant pacifies vitiated pitta, burns, hemorrhages, hemorrhoids, indigestion, skin diseases, traumatic injury, edema, fracture and infection.
Useful part : Whole plant.