No. | Cultivar Name | Type of Origin | Mother/Pod Parent | x Pollen Parent | Source | Background Information |
1
| 'Fukurin Ko Mame' | Hybrid | 'Yakushima Mizu' | Unknown | Unknown & Ruh, Peter | (GENETIC BACKGROUND) Hosta gracillima (Probably), 'Yakushima Mizu' ++(NOTE) The Hostapedia says it is "more correctly a sport of 'Ko Mame'." ++(SIMILAR.HOSTAS) 'Kifukurin Ko Mame', 'Stiletto, 'Vera Verde' |
2
| 'Kifukurin Ko Mame' | Sport | 'Ko Mame' | - | Watanabe, Kenji & Ruh, Peter | (GENETIC BACKGROUND) 'Ko Mame' ++(NOTE) According to The Hostapedia, there is a lot of confusion over hostas with this name. |
3
| 'Ko Mame' | Unknown | - | - | Unknown & Ruh, Peter | (GENETIC BACKGROUND) Hosta gracillima (Probably) ++(SIMILAR.HOSTAS) 'Yakushima Mizu' |
4
| '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' |
5
| 'Yakushima Mizu' | Unknown | - | - | Unknown | (GENETIC BACKGROUND) Hosta gracillima, Hosta longissima ++(SIMILAR.HOSTAS) 'Ko Mame', 'Louie', 'Saishu Jima' |
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