Julia Geissler registered this cultivar of unidentified parentage in 1970. It grows into a large size plant about 19 inches in height with a spread of around 42 inches. The bright gold foliage is moderately corrugated. It bears lavender colored flowers in July.

According to The Hostapedia by Mark Zilis (2009), "...one of the first hostas registered with The American Hosta Society..." Ahamo" is Omaha spelled backwards."