| Family | Liliaceae |
| Subfamily | Lilioideae |
| Tribe | Lilieae |
| Scientific name | Lilium japonicum Thunberg ex Houttuyu |
| Synonyms | Lilium krameri Hooker f.; Lilium makinoi Koizumi |
| Common name | (Japanese common name) sasa-yuri (ササユリ, 笹百合 [meaning: bamboo lily]), sayuri (サユリ, 小百合 [meaning: pretty lily]) |
| (English common name) Japanese lily | |
| Distribution | (Japan) Honshu (south of Cntral region), Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Mountane bamboo grass fields |
| Chromosomal number | 2n=24+1-2B |
| Description | Bulbs 2-4cm across. Plants electing 50-100cm tall, non hair. Leaves 8-23cm long, petioles 4-10mm long. Flowers pink perianths each 10-15cm long, flowering in June to July. Perennial plants. |
| Reference | Lilium japonicum Thunb. ex Houtt. |
| Promoter of formation of bulblet of Lilium japonicum Thanb. (Japanese Patent JP04264008/1992) |
| June 2006 at Tsukuba Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |