Common Name: white peony root, Peony
Chinese Name: Bai Shao
Radix Paeoniae has a sour taste, which is the root of the perennial herbaceous plants Paeonia lactiflora Pall. of family Buttercup. Radix Paeoniae nourishes Blood, regulate menstruation and preserve the Yin, nourish the Liver to calm Liver Yang and Liver Wind, softens the Liver, relieves pain, and eliminates blood stasis.
https://mdhealthonline.com/radix-paeoniae-alba/