Any plant of the genus Agrimonia, of the rose family, especially A. eupatoria. This species is a herbaceous, hardy perennial native to Europe but widespread in other northern temperate regions, where it grows in hedge banks and the borders of fields. Its leaves yield a yellow dye. The leaflets are oval with toothed margins; the small, stalkless yellow flowers are borne in a long terminal spike. The fruit is a tiny burr. A. gryposepala, a similar species, is widespread in the U.S.