Kenji Watanabe of
Gotemba Nursery in Japan, this non-registered cultivar is a sport of
pulchella. It is a small size hosta with green
foliage that has a white bloom on the bottom of the leaf
blade. The purple flowers with purple anthers bloom in July.
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term urajiro as white-backed or white underside.