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Alternate English names: amorphophallus [tuber] konjac

Kingdom: Plant

Origin in unofficial sources: Amorphophallus rivieri Durieu [= Hydrosme rivieri Engl.]; Amorphophallus sinensis Belval

Use: Alimentary

Category: Heat-clearing agents / Heat-clearing toxin-resolving agents

Properties: Acrid; warm; toxic.

Actions and indications:

• Resolves toxin and disperses swelling: Swollen welling-abscesses (yōng zhǒng); clove sores (dīng); cinnabar toxin (erysipelas).
• Transforms phlegm and disperses stasis: Phlegm cough; scrofula; injury from knocks and falls with swelling and pain.

Dosage and method: Oral: Decoct 9–15g (boil for more than 3 hours). Topical: Apply crushed or ground with vinegar.

Warnings: Must be boiled for more than 3 hours to reduce irritation to the digestive tract, which in severe cases can cause death. Commercially available konjac food products are safe.

Production area: South and south-west of China.

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