This is a duplicate, incorrect or outdated name for H. 'Ogon Koba'.

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term koba as small leaf, 'Koba Gibōshi' or H. sieboldii.

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.