Geum Rivale is a perennial plant which is native to Europe and Asia. It is also known by several other names including Water Avens, Purple Avens, Chocolate Root, and Indian Chocolate. Water Avens is one of the most common names for Geum Rivale due to the plant's preference for wet soils and damp environments. Purple Avens refers to the soft purple or pink hue of the plant's flowers which bloom from May to July. Chocolate Root and Indian Chocolate are nicknames for the plant because of its sweet-smelling root. Geum Rivale is a lovely addition to any garden due to its attractive foliage and vibrant colours.