This is a seedling of H. 'Leaping Lipizzan' from Trudy Van Wyke of Iowa. From a photo on the Hosta Library, it appears to be a medium to large size hosta with pointed, blue-green foliage that has a creamy yellow streaked variegation. The leaves are slightly corrugated and slightly wavy.

An article by Rick Goodenough in The Hosta Journal (2012 Vol. 43 No. 1) states that, “At the time I planted my ‘Leaping Lipizzan’ test seeds in 2008. I shared the same seeds with numerous folks who wanted to try them…Trudy Van Wyke…has named one of these fine blue streakers ‘Hosana’. Jeff Moore has an interesting and fairly rare yellow streaker from this lot that he calls ‘Stewball’ from the Peter, Paul and Mary song about a racehorse.”