| Family | Aristolochiaceae |
| Scientific name | Asarum simile Hatusima & E. Yamahata |
| Synonyms | Asarum similis F. Maekawa; Asarum turbinatum; Heterotropa similis F. Maekawa |
| Common name | (Japanese common name) tokunoshima-kanaoi (トクノシマカンアオイ, 徳之島寒葵 [meaning: Tokunoshima Idlands's winter hollyhock]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Tokunoshima Island) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Leaves 6-10cm long. Flowers ca. 1.5cm across, flowering in April to May. Evergreen. Perennial plants. |
| Reference | Asarum simile Hatus. & Yamahata |
| Note | Endemic to Japan. Rare species |
| May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |