Ponkan is cool. Because of its cool nature, ponkan has a certain effect of clearing and lowering the real fire. Ponkan Introduction: Ponkan (Citrusreticulata'Ponkan'), also known as rutabaga, have citrus, honey bucket citrus, Chaozhou honey orange, Rutaceae citrus genus woody plants, ponkan tree crown tall, strong, young trees branches upright, old trees slightly open, the main trunk is angular; fruit compressed round, or the tip of the bulge was short necked broad conical, the top of the flat and wide, the center of the concave, there are shallow radial grooves, longitudinal and transversal diameter 5.1 to 6.1 cm by 6.1 to 7.8 cm, weighing 136 to 187 g, or smaller or larger, orange-yellow to orange-red, with large oil cells and much oil, the skin rough, crunchy, and 2.7 to 3.5 mm thick, very easy to peel, the sarcocarp sacs 10 to 12-valved, the flesh tender, juicy, crisp, dregs-eluting, and sweet; the seeds are few or absent, and the cotyledons are light green and multibranched; fruiting November to December. Ponkan is a local dialect of eastern Guangdong and southern Fujian, meaning loose skin or hollow, from which ponkan gets its name.