This hybrid of
H. longipes hypoglauca
x H. 'Maruba Iwa' is a non-registered cultivar from
Cees Visser of the
Netherlands. It forms a small size mound with foliage that is
ovate, wavy, has smooth texture and has a thick, white bloom on
the underside. It has intensely red petioles with the color
moving up into the midrib of the leaf.
The New Encyclopedia of Hostas by
Grenfell (2009) states: "Claret-pink dots along the midrib at the base of
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term iwa as rock, Iwa Gibōshi or
H. longipes and the term maruba as round leaf or round-leafed.