Also called cinnamon vine, air potato, Dioscorea batatas, Dioscorea opposita and Dioscorea oppositifolia, and a large number of other names.

Part of family Dioscoreaceae.

Native to 🇨🇳 China, it was introduced to 🇰🇵 🇰🇷 Korea, 🇯🇵 Japan, 🇻🇳 Vietnam and the 🇷🇺 🇯🇵 Kuril Islands;  and now elsewhere.   🗺 Map by county (🇺🇸 USA-48) (color key).   Invasive > learn+quiz Invasive > 🌐︎ global Invasive > 🇨🇦 🇺🇸 Canada+USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > Michigan

Uses by native peoples
(Ethnobotany database)
  On No-Planting List by Seneca Nation of Indians SNI.  Adobe Acrobat Reader file (page 61)

Learn more about 🇨🇳 Chinese yam Dioscorea polystachya

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