1、 Blade

The leaves of orange are lanceolate, with a large difference in size. It is oval or broad oval as a whole, dark green or light green. It has a notch at the top, a fork like branch at the notch from the bottom to the top of the midrib, and cracked teeth at the edge of the leaf, rarely with a full edge

2、 Petals

The petals of orange are white, about 1.5cm long, and the style is very slender. Its flowers are solitary, and some are more than 2-3 clusters

3、 Fruit

Its fruit is usually oblate or spherical, with a thin and smooth skin, or a thick and rough skin. The most common color is light yellow. The top of the seed is narrow and oval