They are common weeds in rural areas. Although they are not popular with farmers, they are all precious Chinese herbal medicines with their unique values.
Herba Ajugae is a medicinal plant, which has the effects of clearing away heat and cooling blood, expelling wind and diuresis, detoxicating and promoting granulation. Bidens bipinnata is a kind of medicinal plant, which has the effects of clearing away heat, relieving exterior syndrome, cooling blood, removing blood stasis, reducing swelling and detoxifying. It has many benefits when used to boil water, and it is effective for colds, flu, enteritis and dysentery. The young leaves of plantain can be used as wild vegetables, fried, stuffed and made into soup. They are delicious, nutritious, and have certain medicinal value, and have diuretic, heat-clearing and cough-relieving effects. Hedyotis diffusa is a kind of Chinese herbal medicine with excellent curative effect and precious value. The whole herb is used as medicine, which has the effects of clearing heat, cooling blood, reducing swelling and detoxifying.