It is a perennial herbaceous plant growing to 60 cm tall, producing upright usually unbranched stems and flowers in spring to early summer. The flowers are 2.5–4 cm diameter, with five rose-purple, pale or violet-purple (rarely white) petals and ten stamens; they appear from April to June in loose clusters of two to five at the top of the stems.
Is a woodland perennial plant native to eastern North America. Also present in Europe. It grows in dry to moist woods and is normally abundant when found.The plant has been used in herbal medicine, and is also grown as a garden plant