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Dioscorea polystachya

Botanic Family

Dioscoreaceae

Author

Turczaninow

Common Names

Geographical Habitats

• Anhui
• Fujian
• E Gansu
• N Guangdong
• Guangxi
• Guizhou
• Hebei
• henan
• Hubei
• Hunan
• Jiangsu
• Jiangxi
• Jilin
• Liaoning
• S Shaanxi
• Shandong
• Sichuan
• Taiwan
• N Yunnan
• Zhejiang - China
• Hokkaido
• Honshu
• Kyushu
• Shikoku - Japan
• Korea
• Philippines

Natural Habitats

• Forest
• scrub
• montane areas
• riversides Tubers (yams) cultivated for food

Flowering Times

• Jun-Sep (China)
• Aug-Sep (Japan

Fruiting Times

• Jul-Nov (China)

Herbaceous tuberous twiner with purplish-red glabrous stems, Leaves with bulbils in the axils. Axillary inflorescence of cinnamon scented flowers, male yellow flowers with purple-brown spots to 2mm, 20mm fruits with 15mm wide wings.

Further References

• Sturtevant 1919
• Bailey 1976
• Beckett 1990
• Huxley 1992
• Rubatzky 1997
• FOC
• net
• The Plant List 2
• FOJ
• Kew