|Spreading, clumping perennial with serrated, pinnate leaves, up to 8 inches wide, with 3 irregularly divided lobes. Small, 1/4 to 3/8 inch wide flowers are borne on branched, reddish-brown stems in dense, 6 inch wide corymbs in summer. Makes a nice addition to a perennial border. Also known as Magnifica. Native to Japan.