| No. | Cultivar Name | Type of Origin | Mother/Pod Parent | x Pollen Parent | Source | Background Information |
|
1
| 'Saishu Jima' | Unknown | - | - | Unknown & Ruh, Peter | (GENETIC BACKGROUND) Hosta gracillima, Hosta sieboldii angustifolia ++(SIMILAR.HOSTAS) 'Emeralds and Rubies', 'Ko Mame', 'Liliput', 'Louie', 'Margaret', 'Wee Willy', 'Yakushima Mizu' ++(DUPLICATE/INCORRECT.NAME) 'Davidson 90', 'Krossa J-4', 'Summers No. 110', Summers No. 298', 'Summers No. 323' |
|