Manna seed, also known as potato, Spiraea, ground spirit, ground ring, stiff silkworm, ground cow, ground cow, arhat, Mu Yi cream, Miller, Moody, Dirui, snail, etc. , is the whole grass and rhizome of the seeds of manna in Labiatae. Distributed in Hebei, Shanxi, Jiangsu, Anhui, Zhejiang, Sichuan and other places.

brief introduction

History and Culture: Mannan is native to East Asia and has been cultivated in China since ancient times. The cultivation and utilization methods of mannan are recorded in the Agricultural Administration Book of Ming Dynasty (1628). /kloc-0 was introduced to Japan at the end of July, 1882 to Europe, and 19 to the United States.

Growth habit: Ganlu likes warm and humid environment, and its resistance to high temperature and drought is poor, and it will die when it encounters frost. Generally, its underground stems can overwinter in winter and begin to germinate when the temperature reaches 8℃ in spring. Mannan seeds grow most vigorously between 20℃ and 24℃. The edible part grew completely in June 5438+ 10, and the aboveground part died after June 165438+ 10.