OOYASHIMA is stripe variety but also could produce marginal stripe on the edge of leaves. When variegation gets better, it is called as YASHIMA-NO-TSUKI. the last picture is trying to mutate to marginal stripe but not completely finished. Now OOYASHIMA is not high-end variety but grower enjoy the mutation. Every plant shows different variegation every year. It is good variety to study variegation. Also sometimes they produce creamy yellow flower.