Polygala japonica, Houtt. China: leaves, shoots and roots eaten. The roots are boiled in several changes of water. The core is removed, and the root is boiled again in fresh water before eating. The core is deleterious. Ref. READ.
Polygala tenuifolia, Willd, As for Polygala japonica, Houtt. Vernacular name: Chinese Senega. Ref. READ.