A clump-forming perennial to about 1m tall, producing a mound of fleshy divided, pale green leaves to 40cm long, with cut or lobed leaflets. Heart-shaped, white flowers hang from arching succulent stems in late spring or early summer.
Grow in moist, fertile, humus-rich soil, preferably neutral or slightly alkaline; site in partial shade although will tolerate sun if the soil is moist; suits a woodland garden or semi-shaded border.