Yoshimichi Hirose of Japan originated this non-registered hybrid of (H. 'Swoosh' × H. venusta) x H. venusta. The small size plant has green foliage with a white marginal variegation. Its leaves are ovate and slightly wavy. Pale purple flowers bloom in July.

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term  -gawa or -kawa as river and the term nishiki as brocade (rich-colored woven fabric) i.e. something colorful and beautiful.