| Family | Aristolochiaceae |
| Scientific name | Asarum nipponicum F. Maekawa |
| Synonyms | Asarum blumei auct., non Duchartre; Asarum kooyanum Makino var. nipponicum (F. Maekawa) Kitamura; Heterotropa kooyana (Makino) F. Maekawa var. brachypodion (F. Maekawa) F. Maekawa; Heterotropa kooyana (Makino) F. Maekawa var. nipponica (F. Maekawa) F. Maekawa; Heterotropa nipponica (F. Maekawa) F. Maekawa |
| Common name | (Japanese common name) kan-aoi (カンアオイ, 寒葵 [meaning: winter hollyhock]), kanto kan-aoi (カントウカンアオイ, 関東寒葵 [meaning: Kanto region winter hollyhock]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kanto region, Central region) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | n=12 |
| Description | Leaves 6-10cm long, non hair, often variegated. Flowers 2cm across, flowering in October to February. Evergreen. Perennial plants. |
| Reference | Asarum nipponicum F. Maek. |
| Asarum nipponicum F. Maek. | |
| Note | Native to Japan |
| December 2011 at Tsukuba Botanical Garden |
December 2011 at Tsukuba Botanical Garden |
| December 2011 at Tsukuba Botanical Garden |