Polygonum plebeium Syn.: Polygonum plebejum , Small Knotweed, chimati saag, Lal buti

Polygonum plebeium Syn.: Polygonum plebejum (Common name: Small Knotweed, chimati saag, Lal buti) - Polygonaceae, 

a prostrate, densely branched, annual herb. The species also found in the Himalayas. 

Reference 

Surendra Parihar

Ex.Professor and Head.

Deptt. of Seed , Science and Technology.

Indian Agricultural Research Institute,

Pusa, 

New Delhi, 

India 110012