| Family | Liliaceae |
| Subfamily | Calochortoideae |
| Scientific name | Tricyrtis perfoliata Masamune |
| Synonyms | none |
| Common name | (Japanese common name) kibana-no-tsukinuki-hototogisu (キバナノツキヌキホトトギス, 黄花突抜杜鵑 [meaning: yellow flower penetrating stems hototogisu (hototogisu = Tricyrtis hirta (Thunberg) Hooker])) |
| (English common name) Japanese toad lily, perfoliate toad lily | |
| Distribution | (Japan) Kyushu (Miyazaki Prefecture) |
| (Other nations) none | |
| Habitat | Mountane wet rock wall |
| Chromosomal number | 2n=26 |
| Description | Plants 50-70cm long. Leaves 8-17cm long. Flowers yellow perianths each 20-25mm long, flowering in September to October. Perennial plants. |
| Reference | Tricyrtis perfoliata Masam. |
| Leaf flavonoid patterns in the genus Tricyrtis (Tricyrtidaceae sensu stricto, Liliaceae sensu lato) | |
| The effect of geographic range and dichogamy on genetic variability and population genetic structure in Tricyrtis section Flavae (Liliaceae) | |
| Note | Endemic to Japan. Rare species. |
| October 2009 at my home |
October 2009 at my home |
October 2009 at my home |