The fruit of Ponkan is large, spherical, with thick skin and uneven surface. The fruit of orange is smaller, flat, smooth and not too hard.
The fruit color of Ponkan is orange yellow or yellow. Compared with orange, the fruit petals are not easy to peel, but they can be easily peeled off. The core of Ponkan is closer and the juice is more. The surface color of orange fruit is vermilion or orange red. Its petals and skin can be peeled away easily. Its core is looser than the former, and its juice is less.
The peel of Ponkan is thick and thick, while the peel of orange is much thinner than the former.