This is a duplicate, incorrect or outdated name for H. montana 'Aureomarginata'.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, 'Oba Gibōshi' or H. montana.