According to The Hostapedia by Mark Zilis (2009), "H. 'Hyuga Urajiro' = H. kikutii leuconata. This represents a reversal of the Japanese common name for H. kikutii leuconata, i.e., 'Urajiro Hyuga Gibōshi'. The plant itself has green foliage with an intense white underside ("urajiro"). In the last few years, the name 'Hyuga Urajiro' has been used to market a Japanese import with green and yellow-streaked (white backed) foliage, but that is not correct."

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term urajiro as white-backed or white underside.