Cnidnium is also known as She chuang Zi and is a stimulant and aphrodisiac. Foliage is feathery and ephemeral. Seed used to treat impotence and female infertility. Also used to treat scabies and fungal diseases. Cnidnium is native to China and Asia and prefers moist, well drained soils in a protected, sunny position. Drought and frost tender. An annual growing to 0.75m.