Plant has 1" small round leaflets on 12" long stems with white flowers in summer.  Leaves have a mild cucumber taste that are used in salads, soups, dressings and sauces.  A tea can be made from the leaves to relieve diarrhea.  Flowers can be used in sachets and potpourris.  It grows 18-24" tall by 12-18" wide in part shade in  moist, well drained soil.  Perennial zone 4-8.