Rub its leaves. You can smell strong anise fragrance. Therefore, it is also called water anise.

Or water pepper .. can be used as edible parts of wild vegetables: whole plant.

Usage: Edible, stewed, braised and mosquito repellent. Usage: The famous "Tian Xiang Pig's Feet" is stewed with Tian Xiang Da Ye for several hours, so that the taste is completely blended, and the taste is rich and refreshing ... Using Tian Xiang Da Ye with octagonal aroma to stew pig's feet or make braised pork, it is not only full of aroma, but also does not have the bitterness of octagonal ... Besides stewed pig's feet and cheese, it was also widely used as a spice for making cakes during the Mid-Autumn Festival in the early days. Therefore, Tian Xiang Da Ye is also called [cake grass]

Life use: It is also an early European mosquito protection liquid. People will pick its leaves and rub them on the exposed part of the body. It can prevent mosquitoes from approaching, especially the black mosquito.