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Dioscorea japonica

Botanic Family

Dioscoreaceae

Author

Thunberg

Common Names

Geographical Habitats

• Anhui
• Fujian
• Guangdong
• Guangxi
• S Guizhou
• Hubei
• Hunan
• Jinagsu
• Jiangxi
• Sichuan
• Taiwan
• Zhejiang - China
• Assam - India
• Honshu
• Kyushu
• Shikoku - Japan
• Korea

Natural Habitats

• Forests
• riverside
• montane areas
• woodland. Edible tubers

Flowering Times

• May-Oct (China)
• Aug (Japan)

Fruiting Times

• Jul-Nov (China)

Herbaceous tuberous glabrous twiner with stem bulblets, glabrous leaves to 100mm x 50mm. Female inflorescence pendulous, male inflorescence erect, both axillary, male flowers greenish-white to pale yellow flowers to 2mm with lobes spotted purple, pale brown freckled capsule to 25mm with 20mm wide wings

Further References

• Sturtevant 1919
• Rubatzky 1997
• FOC
• FOJ
• The Plant List 2
• Kew