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| September 2007 at Koishikawa Botanical Garden |
September 2007 at Koishikawa Botanical Garden |
September 2007 at Koishikawa Botanical Garden |
| Family | Dioscoreaceae |
| Scientific name | Dioscorea quinqueloba Thunberg |
| Synonyms | Dioscorea quinquelobata Thunberg |
| Common name | (Japanese common name) kaede-dokoro (カエデドコロ, 楓野老 [meaning: maple leaved tokoro (tokoro = eatable roots)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Central region), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China | |
| Habitat | Mountane forest edge. |
| Chromosomal number | 2n=20 |
| Description | Leaves 6-12cm long, 4-10cm wide. Flowers pale yellow, male tepals 1.4mm long, female tepals 1.4mm long, flowering in July to September. Fruits 12-16mm long. Vine. Perennial plants. |
| Reference | Dioscorea quinqueloba Thunb. |
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| September 2007 at Koishikawa Botanical Garden |
September 2007 at Koishikawa Botanical Garden |
September 2007 at Koishikawa Botanical Garden |
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| September 2007 at Koishikawa Botanical Garden |
