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(Lysimachia nummularia), a perennial herbaceous plant of the family Primulaceae. The stem is slender, creeping, and rooted; the leaves are nearly rounded and opposite. The bisexual flowers are large, yellow, and solitary on long pedicels. The fruit is a globose capsule. Moneywort grows in Europe, Ciscaucasia, Japan (not native), and the eastern part of North America. It grows in the European USSR in damp meadows, along rivers and lakes, and in shady thickets. The flowers and leaves, which contain tannins and vitamin C, were formerly used as an ersatz tea to treat scurvy, diarrhea, and other conditions.