Chinese herbology
The leaves are edible when young, and can be eaten when boiled. The flowers contain sweet nectar, and the foliage can be eaten or boiled to make a drink. The plant contains toxic saponins, but not enough to be harmful. It has historically been used in Chinese herbology as a contraceptive, diuretic, and anti-infective; its Chinese name is "qúmài" (瞿麦).