| Family | Aristolochiaceae |
| Scientific name | Asarum minamitanianum Hatusima |
| Synonyms | Heterotropa minamitaniana (Hatusima) F. Maekawa ex Y. Maekawa |
| Common name | (Japanese common name) onaga-aoi (オナガアオイ, 尾長葵 [meaning: long tails winter hollyhock]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Miyazaki Prefecture) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | 2n=24 |
| Description | Plants creeping. Leaves 10cm wide. Flowers 7-15cm across, flowering in April to May. Perennial plants. |
| Reference | Asarum minamitanianum Hatus. |
| Note | Rare species. Native to Japan |
| April 2007 at my home |
April 2007 at my home |
April 2007 at my home |
| April 2007 at my home |
| 'Suiryu' |
| April 2009 at a Nursery |