1. Fennel is a plant of Illicium in Umbelliferae. Herbs, up to 2 meters high. The stems are erect, smooth, grayish green or shallow, and multi-branched. Leaf blade outline is broad triangle, flower stalk is slender and unequal in length; Calyx-free teeth; Petals are yellow, obovate or nearly obovate, about 65438±0mm long, with an inflexed uvula at the top, a conical style at the base, and a very short style, which blooms in May-June and bears fruit in July-September.
2. The origin of China. It is cultivated in all provinces and regions of China.
Young leaves can be eaten as vegetables and can also be used for seasoning. Fruit used as medicine has the effects of expelling wind, resolving phlegm and dispelling cold, invigorating stomach and relieving pain.