Originated in Japan, this non-registered cultivar is a miniature size sport of H. 'Yakushima Mizu'. It forms a mound of wavy, green leaves. The lavender flowers are borne in late August followed by viable seeds.

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term mizu as water, 'Mizu Gibōshi' or H. longissima.

The Hostapedia says that this is actually H. 'Ko Mame'

An article by Akira Horinaka of Japan in The Hosta Journal (2006 Vol. 37 No. 1) says,  "...'Yakushima Otome' was hybridized by Mr. Kitahara...in Tokyo. It was produced from H. venusta...and 'Komame', a very small form of H. 'Yakushima Mizu' found in Kyushu."

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term otome as maiden, 'Otome Gibōshi' or H. venusta.