| Family | Liliaceae |
| Subfamily | Calochortoideae |
| Scientific name | Tricyrtis affinis Makino |
| Synonyms | Tricyrtis affinis Makino forma albida (Makino) Okuyama; Tricyrtis affinis Makino var. chiugokuensis (Koidzumi) Ohwi; Tricyrtis chiugokuensis Koidzumi; Tricyrtis macropoda Miquel subsp. affinis (Makino) Kitamura; Tricyrtis macropoda Miquel var. chiugokuensis (Koidzumi) Ohwi |
| Common name | (Japanese common name) yamaji-no-hototogisu (ヤマジノホトトギス, 山路杜鵑 [mountain road hototogisu (meaning: hototogisu = Cuculus poliocephalus)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | 2n=26 |
| Description | Leaves 30-100cm long. Flowers pale purple (merely white) perianths ca. 18-20mm long, flowering in July to September. Perennial plants. |
| Reference | Tricyrtis affinis Makino |
| Floral Biology of Tricyrtis macropoda Miq. (Liliaceae) |
| September 2007 at Mt. Tsukuba |
September 2006 at mountane forest |
September 2006 at mountane forest |
| September 2006 at mountane forest |
September 2006 at mountane forest |
September 2006 at mountane forest |
| September 2006 at mountane forest |
September 2006 at mountane forest |
September 2006 at mountane forest |