Rhizoma Sparganii. Part used: Rhizome. Known as Bulrush Rhizome. Entering meridians: Liver and Spleen. San Leng forcefully breaks up blood stasis, regulates Qi, alleviates pain, dissolves accumulations, regulates menstruation and promotes lactation. All Phoenix Medical dry authentic herbs and concentrated herbal granules are free of sulphur, herbicides and pesticides.