| Family | Aristolochiaceae |
| Subfamily | Asaroideae |
| Scientific name | Asarum leucosepalum Hatushima ex E. Yamahata |
| Synonyms | none |
| Common name | (Japanese common name) shirayuki-kan-aoi (シラユキカンアオイ, 白雪寒葵 [meaning: white snow winter hollyhock]), tanimura-aoi (タニムラアオイ, 谷村葵 [meaning: Tanimura winter hollyhock (meaning of Tanimura is unknown)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Tokunoshima Island) |
| (Other nations) none | |
| Habitat | Mountane forest (limestone area) |
| Chromosomal number | unknown |
| Description | Leaves 10-15cm long. Flowers white ca. 2-2.5cm across, flowering in February to March. Perennial plants. |
| Reference | Asarum leucosepalum Hatus ex E. Yamahata |
| Note | Rare species. |
| March 2010 at Tsukuba Botanical Garden |
March 2010 at Tsukuba Botanical Garden |
| March 2010 at Tsukuba Botanical Garden |