Traditional Chinese medicine uses it against asthma and acute bronchitis attacks. It is a hot spicy product that releases the cold biao wind. Its main property is that it allows to do the sweating.
It grows-up to a height of 4-6 feet depending on the dept of the swamp or creek it is growing in, maximum spread of 9 inches. It can be grown in a pot. Widely cultivated for its large pink flowers.