Bellyache Bush, Black Physicnut, Cotton-leaf Physicnut

This is a shrub very common in Kuttanad. Its fruits are as big or small as peanuts. I was tempted to fry them and eat it. The color of its leaves display different share from green to red.

Out-competes native vegetation.
Takes over extensive sections of river frontage reducing biodiversity.
Poisonous to native animals.

Tips for preventing weeds.
http://www.daff.qld.gov.au/plants/weeds-pest-animals-ants/weeds/prevent…