Non-toxic

　　Pubang itself has a special fragrance. In the past, in our countryside, the children in the village would go to the canal or pond to find Pubang and pick it as a toy. Pucao is full of treasures, not only a kind of aquatic plants, but also a kind of wild vegetables that people like to eat. The white tender stems are edible and the taste is refreshing and delicious.

　　Pubang especially likes water and humidity. Its leaves, flowers and fruits are of high ornamental value, and it can also purify the air. Therefore, it has been growing by canals or ditches and paddy fields. When it encounters drought, the surface cracks. It can not only survive, but also grow vigorously, which only has some influence on flowering.

　　No poison.

　　The smell of cattail sticks is not poisonous. Typha is a kind of food that people seldom eat in daily life. Its main edible parts are rhizome and tender leaves, which contain protein, minerals and trace elements such as calcium, iron and phosphorus. Eating when eaten is good for your health. Typha latifolia has high economic value, pollen can be used as medicine, and leaves can also be used for weaving, so it is popular among the people. Therefore, the smell of cattail sticks is not toxic.