Chromolaena odorata is a plant species native to North, Central, and South America, but is a noxious invasive perennial herb or subshrub. Although C. odorata has been introduced into Asia for nearly 100 years, the route of the spread of C. odorata throughout Asia is not well known.
Click here for original story, Chromolaena odorata increases resource investment into growth through postintroduction evolution
Source: Phys.org