This cultivar was listed on the
MyHostas Database website.
Originated in Japan, this non-registered cultivar is of unidentified parentage.
part of the name includes the Japanese word "tokudama",
perhaps this is a relative of H. 'Tokudama'.
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term fukurin as margined or edged.