Pinyin: míng. During the reign of Emperor Yao, a strange grass was born in the imperial court. From the first day of every month, the grass grows a leaf every day, and after fifteen days, it drops a leaf every day until the last day of this month. If this month is a small moon (one day less), the last leaf will only wither and not fall. Emperor Yao is very strange, called "pod", also called "calendar grass"

People think that grass symbolizes good luck.

arrowroot

Younianmi

. Zizania latifolia is a dicotyledonous plant in Cruciferae, distributed in Jiangsu and Hunan provinces of China. The whole herb can be used as medicine, which has the effects of clearing away liver-fire, improving eyesight, clearing away heat and promoting diuresis, and is mainly used for treating nephritis and endometritis.