1、 Branch difference

The branches of citron are usually covered with many small thorns, but the twigs feel very smooth and the color is purplish red

There are no thorns on the branches of lemon

2、 The difference between leaves

The leaves of citron are mostly oblong or obovate oblong. The leaves are usually large and not fragrant

The wings of lemon are wide or narrow and look very small, but if you smell carefully, there is also the smell of lemon

3、 Fruit difference

The fruits of citron look relatively large, most of which are more than 10cm in diameter, which is almost bigger than oranges

The fruit of lemon is smaller and most of them are less than 10cm in diameter. If it cannot be distinguished, the fruit can be cut, and its internal structure is also very different