The Cutleaf Toothwort, Crow's Toes, Pepper Root, Purple-flowered Toothwort (Cardamine concatenata) is a flowering plant in Brassicaceae. It owes its name to the tooth-like appearance of its rhizome. It is a perennial plant woodland wildflower native to eastern North America. It is considered a spring ephemeral and blooms in March, April, and/or May.