Tribute millet, bright green in color, fresh in texture, tastes like jellyfish and has high edible value. The precious specialty of Yimen Town, Guoyang County, Anhui Province, with a cultivation history of more than 2,200 years, is a pure natural green and high-grade dehydrated vegetable. During the Qianlong period of the Qing Dynasty, tribute was paid to the imperial court, and then it was paid to the imperial court every year, so it was called "tribute food". Because of its crisp and refreshing voice, it was vividly called "Xiangcai" by Premier Zhou Enlai in the 1960s, also known as "Shancicai".

Tributes are also called dried moss, loud vegetables and mountain thorns. The color is light green, the texture is refreshing, the taste is like jellyfish, and the edible value is extremely high. It is a green leafy vegetable, which is made by peeling, splitting and drying the stems in autumn.

Pizhou dried moss is well-known and is one of the commodities exported to China and Hong Kong. On 20 13 18, Pizhou Gante passed the technical examination of geographical indication product protection by AQSIQ and became another geographical indication protection product after Pizhou white garlic and Pizhou ginkgo.