sieboldii
H. sieboldii
This variegated form does not breed true so cannot be a wild species. The wild species has been named H. sieboldii f. spathulata (Miquel) in The Genus Hosta, (Schmid 1991).

Alternative: H. 'Ginko Craig'
Plant Size
  Medium: 13" x 32"  
Leaf
  6" x 3"; green, white margins  
Flower
  Purple with whitish margins and stripes  
Parentage
  Form of species from Japan  
sieboldiisieboldii