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| February 2007 at Koishikawa Botanical Garden |
February 2007 at Koishikawa Botanical Garden |
February 2007 at Koishikawa Botanical Garden |
| Family | Aristolochiaceae |
| Scientific name | Asarum takaoi (F. Maekawa) F. Maekawa |
| Synonyms | Heterotropa takaoi (F. Maekawa) F. Maekawa; Heterotropa takaoi (F. Maekawa) F. Maekawa var.dilatata F. Maekawa |
| Common name | (Japanese common name) hime-kanaoi (ヒメカンアオイ, 姫寒葵 [dwarf winter hollyhock]) |
| (English common name) Japanese ginger | |
| Distribution | (Japan) Honshu (Central region, Hokuriku region, Kii Peninsular), Shikoku (Kochi Prefecture) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | 2n=24 |
| Description | Plants creeping. Leaves 5-8cm long, 4-7cm wide. Flowers pale purple or dark purple (merely green) 15mm across, flowering in February to March. Perennial plants. |
| Reference | Asarum takaoi F. Maek. |
| DDQ mediated one step dimerization of β-asarone or β-asarone rich Acorus calamus oil in the formation of novel neolignan (US Patent 6969778/2005) | |
| Note | Native to Japan |
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| February 2007 at Koishikawa Botanical Garden |
February 2007 at Koishikawa Botanical Garden |
February 2007 at Koishikawa Botanical Garden |
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| March 2010 at Tsukuba Botanical Garden |
March 2010 at Tsukuba Botanical Garden |
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| March 2010 at Tsukuba Botanical Garden |
