Cnidium, Cnidium monnieri, is also known as She Chuang Zi and Snow Parsley. 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. Cnidium 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.