Annual plant of the uncultivated places at more than 2 000 m growing to 0,50 m of which one uses the aerial parts.
Astringent and diuretic knot-grass is used for the treatment of the diarrhoeas, haemorrhoids.
Also : Haemorrhages, nosebleed, diabetes, lithiasis, gout, intestinal worms.
And of external use : Cataplasms of leaves on bleeding wounds.
Out of infusion, 1 teaspoon for 1 cup of boiling water, let infuse during 20 minutes ; 2 to 4 cups a day.
Applications of fresh tops on open wounds to stop bleedings.
The juice of the plant stop bleeding of the nose.