| Family | Liliaceae |
| Subfamily | Lilioideae |
| Tribe | Lilieae |
| Scientific name | Cardiocrinum cordatum (Thunberg) Makino |
| Synonyms | Lilium cordatum (Thunberg) Koidzumi; Hemerocallis cordata Thunberg |
| Common name | (Japanese common name) uba yuri (ウバユリ, 姥百合 [meaning: old lady lily]) |
| (English common name) heartleaf lily | |
| Distribution | (Japan) Honshu (west of southern Tohoku region), Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | In or edge of deciduous trees or evergreen torees forest. |
| Chromosomal number | 2n=24 |
| Description | Leaves 15-25cm long, 7-15cm wide, with long petioles, non hair. Scapes 50-100cm tall. Flowers 6 pale green perianths each 12-17cm long, flowering in July to August. Fruits 4-5cm long, seeds 11-13mm long. Perennial plants. |
| Reference | Cardiocrinum cordatum (Thunb.) Makino |
| Cardiocrinum (Endlicher) Lindley |
| July 2008 at Kyoto Botanical Garden |
July 2008 at Kyoto Botanical Garden |
July 2008 at Kyoto Botanical Garden |