This H. 'Frances
Williams'-type plant is a non-registered hosta
Dr. Ralph (Herb) Benedict of Michigan. It is a giant size plant that
grows about 33 inches in height with a width of 60 inches. The
foliage is blue-green with a wide chartreuse colored marginal
variegation. Near white flowers bloom from mid-June into July.
It develops many seed pods.
The Hostapedia by Mark Zilis (2009), "...an excellent, non-burning 'Frances Williams'-type, but has
never been introduced for sale."