Parthenium hysterophorus
Flowers. Parthenium is one of the ten worst weeds of the world. In India it is an exotic herb and causing great damage to the biodiversity. Parthenium must be managed before the flowering but it is noticed in general, after the flowering. Every plant is capable of producing thousands of viable seeds. Due to its attractive flowers it is named as White Top and Safed Topi.
Photo by Dr. Pankaj Oudhia courtesy Ecoport
(source URL: http://www.ecoport.org)
