| Family | Aristolochiaceae |
| Subfamily | Asaroideae |
| Scientific name | Asarum savatieri Franchet |
| Synonyms | Heterotropa savatieri (Franchet) F. Maekawa |
| Common name | (Japanese common name) otome-kanaoi (オトメアオイ, 乙女葵 [meaning: girls winter hollyhock]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kanagawa Prefecture, Izu Peninsula, Yamanashi Prefecture) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Leaves 4-7cm long. Flowers ca. 1.5cm across, flowering in September to November (merely also in May to August). Perennial plants. |
| Reference | Asarum savatieri Franch. |
| Note | Endemic to Japan. Rare species. |
| October 2009 at my home |
October 2009 at my home |
| June 2011 at my home |