Examples from the Web for bistort
Adder's-wort, a name of snakeweed or bistort (Polygŏnum Bistorta), from its supposed virtue in curing the bite of serpents.
The roots of bistort and tormentil, and bark of pomegranate, equal parts.Cooley's Practical Receipts, Volume II|Arnold Cooley
Bistort makes pink islands amid hay grass that waits the scythe.Lancashire|Leo H. (Leo Hartley) Grindon
From the dried root of bistort or snake-weed (Polygonum Bistorta), by percolation with temperate distilled water.