| Family | Agavaceae (also placed in Liliaceae) |
| Scientific name | Hosta longipes (Franchet & Savatier) Matsumura |
| Synonyms | Funkia longipes Franchet & Savatier; Hosta longipes (Franchet & Savatier) L. H. Bailey; Hosta longipes (Franchet & Savatier) Matsumura forma alba (Nakai) T.B.Lee; Hosta longipes (Franchet & Savatier) Matsumura var. alba Nakai; Hosta longipes (Franchet & Savatier) Matsumura var. vulgata (Maekawa) W. G. Schmid and G. S. Daniels; Hosta sieboldiana Engler var. longipes (Franchet & Savatier) Matsumura |
| Common name | (Japanese common name) iwa-giboushi (イワギボウシ, 岩擬宝珠 [meaning: rock giboushi (giboushi = a traditional metal ornament of bridges)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kanto region, Central region) |
| (Other nations) none | |
| Habitat | Mountane wet forest or rocks |
| Chromosomal number | 2n=60 |
| Description | Leaves 10-13cm long. Scapes ca. 30cm tall. Flowers white or pale purple corollas, flowering in August to September. Perennial plants. |
| Reference | Hosta longipes (Franch. & Sav.) L. H. Bailey |
| Hosta longipes (Franch. & Sav.) Matsum. | |
| The H. longipes Complex PArt 1 | |
| The H. longipes Complex PArt 2 | |
| Register of Hosta Species and their Nomenclature Part 2 | |
| Habitat and water economy of Japanese Hosta | |
| Steroidal Saponins from the Underground Parts of Hosta longipes and Their Inhibitory Activity on Tumor Promoter-Induced Phospholipid Metabolism | |
| The use of steroid saponin compounds to prevent senility, and novel steroid saponin compounds (European Patent Application EP1024146/2000) | |
| Note | Endemic to Japan. |
| There are many artificial hybrids. |
| September 2009 at Mt. Takao Wild Plants Garden |
September 2009 at Mt. Takao Wild Plants Garden |
September 2009 at Mt. Takao Wild Plants Garden |
| September 2009 at Mt. Takao Wild Plants Garden |