| Family | Liliaceae |
| Subfamily | Calochortoideae |
| Scientific name | Tricyrtis ishiiana (Kitagawa & T. Koyama) Ohwi & Okuyama |
| Synonyms | Tricyrtis macrantha Maximovicz var. ishiiana Kitagawa & T. Koyama |
| Common name | (Japanese common name) sagami-jourou-hototogisu (サガミジョウロウホトトギス, 相模上臈杜鵑 [meaning: Sagami female officials hototogisu (Sagami = an old name of Kanagawa Prefecture, hototogisu = Tricyrtis hirta)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kanagawa Prefecture) |
| (Other nations) none | |
| Habitat | Mountane rock wall |
| Chromosomal number | unknown |
| Description | Plants 40-80cm long. Leaves 7-15cm long. Flowers yellow perianths each ca. 2cm long, flowering in September to October. Perennial plants. |
| Reference | Tricyrtis ishiiana (Kitag. & T. Koyama) Ohwi & Okuyama |
| Development and characterization of microsatellite loci in the endangered Tricyrtis ishiiana (Convallariaceae), a local endemic plant in Japan | |
| Note | Rare species. |
| October 2008 at Tsukuba Botanical Garden |
October 2008 at Tsukuba Botanical Garden |