White-leaved Cinquefoil

Potentilla pulcherrima (syn. Potentilla gracilis var. pulcherrima), the beautiful cinquefoil, soft cinquefoil, or whiteleaf cinquefoil, is a species of flowering plant in the family Rosaceae. It is native to Canada, and the north and west-central United States, with a disjunct population in Connecticut. Noted for the shiny abaxial surfaces of its leaves, it is a perennial shrub reaching 30 in (76 cm) with yellow flowers.