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| October 2009 at Shinjuku Gyoen National Garden |
October 2009 at Shinjuku Gyoen National Garden |
| Family | Aristolochiaceae |
| Scientific name | Asarum kumageanum Masamune |
| Synonyms | Heterotropa kumageana (Masamune) F. Maekawa |
| Common name | (Japanese common name) kuwai-ba-kan-aoi (クワイバカンアオイ, 慈姑葉寒葵 [meaning: kuwai leaved winter hollyhock (kuwai = Sagittaria trifolia var. edulis)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Yakushima Island) |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Leaves ca. 10cm long. Flowers dark purple ca. 1-2cm long, Flowering in October to March. Evergreen. Perennial plants. |
| Reference | Asarum kumageanum Masam. |
| Chalcones and other flavonoids from Asarum sensu lato (Aristolochiaceae) | |
| Note | Endemic to Japan. Rare species |
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| October 2009 at Shinjuku Gyoen National Garden |
October 2009 at Shinjuku Gyoen National Garden |
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| October 2009 at Shinjuku Gyoen National Garden |
