| Hosta | Urajiro Amagi Iwa |
| Status | registered |
| Originator(s) | Japan/AHS/Walek 2009 |
| Origin | longipes var. latifolia sport |
| Size category | |
| Plant height x width | 38x80 cm (15x31 in.) |
| Leaf length x width | 28x18 cm (11x7 in.) |
| Vein pairs | 10 |
| Leaf color | dark green |
| Variegation | |
| Leaf | rippled, smooth |
| Petiole | red dotted |
| Scape | green, purple-red dotted |
| Scape height | |
| Flower | purple |
| Flower length | |
| Fragrant | |
| Flowering period | September |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | =longipes var. latifolia 'Urajiro Amagi'. The white-backed form of 'Amagi Iwa'. |
| Sports | |
| Progeny | |