Suresh ji I am doubtful about your Bistorta 1.jpg. Are you sure it is from same plant as Bistorta 1a.jpg. Your Bistorta 1.jpg looks more similar to Persicaria vivipara.
-- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://people.du.ac.in/~singhg45/ On Sat, Jan 21, 2012 at 9:01 PM, Suresh Kumar Rana <[email protected]>wrote: > Respected Sir > Attaching plant which I have considered as * Polygonum affine.* > Now I think both the plants belong to same species. > > Warm regards > Suresh Rana > >

