Ponkan Ponkan) is thin and easy to peel, with delicious color, orange-red pulp, rich juice, dense tissue, sweet and crisp taste, little residue and medicinal effect. Suitable for the growth of southern provinces. Ponkan can be divided into hard reed and reed. Hard reed has several radial grooves at the top of cause and effect, also called gossip reed. The fruit is oblate or highly oblate. There are reeds, and there are generally no radial grooves at the top of the fruit. The fruit is oblate, and the weight and flavor of a single fruit are not as good as that of hard reeds.