Dioscorea polystachya

Chinese Yam, Cinnamon Vine

[not native to the Mid-Atlantic area]

[ click on any image below to see larger version ]


Family: Dioscoreaceae (Yam family)

Mid-Atlantic bloom time: June - August

Chinese Yam is a twining vine that is native to East Asia. Its has alternate or 3-whorled leaves that are halberd-shaped, unlike the cordate-to-ovate shape of Wild Yam (Dioscorea villosa)'s leaves. It also forms small potato-like aerial tubers on its stems, which Wild Yam never does.




1 August 2025
Ellanor C. Lawrence Park, Centreville, VA
1 August 2025
Ellanor C. Lawrence Park, Centreville, VA
1 August 2025
Ellanor C. Lawrence Park, Centreville, VA
(aerial tubers)
1 August 2025
Ellanor C. Lawrence Park, Centreville, VA
(aerial tuber)




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