Valerian, Echinacea, Hyssop -- used to treat ailments ranging from insomnia to colds to yeast infections.
Rosy Periwinkle -- this plant is a source of two drugs, Vincristine and Vinblastine, which have virtually eliminated children's leukemia and Hodgkin's Disease.
Foxglove -- this plant's leaves produce Digitalis, used to treat chronic heart failure.
Ephedra -- ephedrine, a component of respiratory medicines, is found in this plant's roots.
Garlic -- contains allicin, an antibiotic, and can lower cholesterol and combat hypertension.
Ginger -- containing many antiviral compounds; also reduces vertigo and motion sickness.
White Pond Lily -- the roots of this aquatic plant are prepared as a tincture to treat cervicitis.
Pacific Yew -- used to treat patients suffering from ovarian cancer
Water Hyssop -- mixed with other plants and melted butter, the extract can treat mental illness.
Ginkgo -- in its roots and leaves, a powerful chemical is found that treats dementia.
Bao-bab tree -- its bark is boiled down to a broth, and relieves back pain.