It is collected in the area of Mt. Kumgang, well-known mountain in Korea.
  The medical properties in the leaves and stems strengthen the heart, loosen phlegm, reduce inflammation and neutralize poison. It is applied to the skin to treat abscess.
  After soaking the bitterness out of it in hot water, make soup or roast it. Its starch content is 50%. It is used to make pancake, rice cake, noodles, etc.