It turns out that this plant is called the nine-story pagoda, also called the wind wheel dish. When you hear the nine-story pagoda, do you think of the horror footage of a movie? Of course, this plant is not terrible, and it is very useful.
You can often see it on the Chaoshan roadside in the south. Since it's a dish, it's definitely edible. I heard it is spicy, comparable to mustard. Many people like the taste, but I really haven't eaten it. Little friends who have eaten can raise their hands.
Its flowers have many functions. Rural people like to pick their flowers and use them to make tea, which can relieve indigestion and increase appetite. It can be used as a seasoning for cooking, and it can also be said to be a kind of coriander. When frying meat, put a little. The special flavor can set off the delicious meat.