Originated in the wilds
of Korea, this non-registered cultivar is a sport of
minor. It is a small size hosta with green
foliage. White flowers bloom in July.
The Hostapedia by Mark Zilis (2009), "This plant could also be listed as Hosta minor alba,
but most plants with that name are actually H.
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term shirobana as white flower.