Source: dried tubers.
Actions: anti-inflammatory, pain-relieving, sedative, digestive stimulant.
Therapeutic uses: arthritis, gout, stiff joints, back pain, skin inflammation, sores and boils. Traditional South African remedy for digestive problems, especially gall bladder or stomach.
Typical preparation: decoction, tablets, liquid tincture.
Contraindications: not to be taken during pregnancy or by people with a stomach or duodenal ulcer.