What kind of flowers and plants is this?

Look at the picture, it may be Polygonum perfoliatum, a multifunctional Chinese herbal medicine, which is mainly used to treat symptoms such as heat toxicity, edema and cough. The following is the detailed information about the barbecue return trip:

1.** Basic information * *: barbell belongs to Polygonaceae, and its scientific name is Persicaria barbell (L.) H. Gross, which is panicum miliaceum. Its stem can climb, its length can reach 1-2 meters, and its leaves are triangular.

2.** Collection and processing * *: Generally, it is cut when it blooms in summer, and then dried. Before being used as a medicinal material, impurities need to be removed, washed slightly, cut into sections and dried.

3.** Sexual taste and meridian tropism * *: The taste of barbell is sour and slightly cold, and it mainly acts on medicinal parts such as lung, lung meridian and bladder meridian.

4.** Efficacy and application * *: It has the effects of clearing away heat and toxic materials, inducing diuresis to reduce swelling and relieving cough. Therefore, it is often used to treat sore throat, cough due to lung heat, cough in children, edema and oliguria, damp-heat diarrhea, eczema, furuncle, snake bite and so on. In addition, it is also considered to have antibacterial, antiviral and antihypertensive effects.

Before using any Chinese medicine, it is recommended to consult a professional doctor or pharmacist to ensure the correct and safe use of the medicine.