tormentila.
(From I torment, because relieves who suffers from toothache).
1. f. herbaceous annual, the family of Rosaceae, with enhiestos stalks in the form of fork and two to three decimetres high, green leaves, composed of seven oval leaflets, toothed on the margin and somewhat hairy on the underside. It has yellow, axillary, solitary flowers, dry fruit and reddish Rhizome that is used in medicine as an astringent energetic and against the pain of toothache. It is common in Spain.