1, smelly orange is also called lime, bitter orange and bitter orange. It is a small tree belonging to Rutaceae and Citrus. When the fruit with dense branches and leaves is immature, it tastes very sour with bitter taste or special smell. So our Hunan side is called smelly orange or bitter orange. Smelly orange is also a Chinese herbal medicine, which has the functions of strengthening the stomach, strengthening the body, treating colds, indigestion, coughing and resolving phlegm.

2, ugly orange, the scientific name does not know fire, also known as convex orange, ugly orange, ugly, ugly orange. Ugly orange is the earliest variety introduced from Japan. After being cultivated in Japan for more than 40 years, it was introduced to Sichuan Province in 2000, and also planted in Meishan, Ziyang, Neijiang, Jintang, Chongqing, Yunnan, Jiangxi, Hunan and Zhejiang. The effect is that the ugly orange tastes sour, and it has the effects of neutralizing, appetizing, reducing adverse reactions and stopping vomiting. Can be used for the treatment of vomiting, dyspepsia, bad breath due to wind in the stomach, and stagnation of heat in the liver and stomach.