An article by
W.
George Schmid in The
Hosta Journal (1996 Vol. 27 No. 2) states that This is a duplicate, incorrect or outdated name for Hosta
montana 'Aureomarginata'.
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term ogon or oogon
as gold or yellow, the term fukurin as margined or edged. and the term oba or ooba as large leaf or 'Oba Gibōshi' which is the Japanese name for the species H. montana.