This non-registered cultivar is a sport of the species, H. alismifolia from Japan. It forms an upright growing, large size (22 inches high by 42 inches wide) mound of shiny, dark green foliage. Pale purple flowers with whitish petal margins appear in late July. Blooms are borne on purple dotted pedicels.

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term shirofukurin or shiro fukurin as white-edge(d) or white-margin(ed).