| Family | Aristolochiaceae |
| Scientific name | Asarum yakusimense Masamune |
| Synonyms | Asarum hirsutisepalum Hatsusima; Asarum yakusimensis Masamune; Heterotropa hirsutisepala Hatusima; Heterotropa yakusimensis (Masamune) F. Maekawa ex Nemoto |
| Common name | (Japanese common name) oni-kanaoi (オニカンアオイ, 鬼寒葵 [tiger winter hollyhock]), yakushima aoi (ヤクシマアオイ, 屋久島葵 [meaning: Yakushima Island hollyhock]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Yakushima Island) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Terrestirilal. Perennial plants. |
| Reference | Asarum yakusimense Masam. |
| Note | Native to Japan. Rare species |
| March 2007 at Kyoto Botanical Garden |
March 2007 at Kyoto Botanical Garden |
March 2007 at Kyoto Botanical Garden |