Zheng 'an County, Zunyi City, Guizhou Province has a unique original ecological environment and good basic conditions for agricultural industrialization, which makes Zheng 'an the best production base of wild papaya in China. Zheng 'an County is located in the north of Guizhou Plateau. The terrain of the county is high in the east and low in the west, showing a "V" shape. Administer 19 townships (towns), 152 administrative villages and 1 state-owned forest farms. The total population is 645,000, of which 589,000 are agricultural; The county covers a total area of 2595 square kilometers. The forest coverage rate is 48%, and the climate is characterized by no severe cold in winter and no intense heat in summer, mild climate, four distinct seasons, abundant rainfall, the same season of rain and heat, long frost-free period, cloudy and scanty sunshine, high humidity, uneven distribution of rainfall in time and space and large evaporation. It belongs to a typical warm and humid monsoon climate in the middle subtropical zone, with abundant land resources and no industrial pollution. Its special geographical location, natural climate and temperature conditions gave birth to this unique resource. It provides unique natural conditions for the development of wild papaya industry. The wild papaya in Zheng 'an County, Zunyi City, Guizhou Province belongs to Rosaceae shrub. Zheng 'an County was named "Hometown of Wild Papaya in China" by the State Council Development Research Center and other units with 1996.
Wild papaya in Zheng 'an County is distributed all over the county. In history, except for wild plants, most of them were planted in farmhouses, roadside ridges and fields. Its tree genus is mostly used for greening environment, with bright, pink and long flowering period, which can be viewed. Its fruit has many uses, which can be sliced, dried and eaten, and can also be used as medicine. Put fresh fruit in the pickle jar to make the pickle taste delicious and not go bad; You can also peel and slice it and marinate it with salt or sugar.