Perennial plant equipped with rizoma fine and a stem atrophied with white flowers that they appear in spring and autumn.
Formerly they took shelter stem foliados them during the flowering and they were put to dry in the shade. The plant, tantio in fresh as dry, is very rich in oxalic acid and in small doses it has a diurético effect.
The fresh plants are consumed in spring and have antiescorbúticas properties being rich in vitamin C. The compresas of squashed leaves are used to alleviate ging