Knotgrass (Polygonum aviculare L.)

There is a high or creeping stem, but the flowers are white, pink or red. It is up to 1200 meters above sea level throughout the country in grassy areas along roads and fences, through yards and gardens.
s from May to October. A surface part, which is collected throughout the bloom.
Contain tanning substances, traces of essential oil, vitamin C, gli
cosids avikularin, provitamins A, resins, wax, silicic acid and others.