This variety of the
species was identified in
Dr. Fumio Maekawa in
1940. It is a medium size plant about 11 inches high
with a spread of around 37
inches. The foliage is medium
to dark green, ovate, smooth textured with wavy margins
and has thick substance. Its petioles are red spotted.
Medium purple flowers bloom from late August into September.
An article by Warren I. Pollock in
Hosta Journal (2014 Vol. 45 No. 2) states that, "Correctly,
'Urajiro Hachijo' should be 'Urajiro Amagi Iwa', registered in 2009. It is the
white-backed (urajiro) form of
H. longipes var. latifolia having glossy, broad