1. China Fruit Circulation Association official website inquired that finger lemons have many colors, such as yellow, red, pink, purple, black, blue and green, among which black has the longest cultivation time, so it is the most expensive.

2. Finger lemon is a precious food. It only produces eight weeks a year, and it is not easy to keep. After picking, it can only be stored for two to three weeks, and the yield is particularly low.

3. Finger lemon, also known as orange, has bright flesh and is produced in subtropical coastal areas of Australia.