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Species of yam from Asia From Wikipedia, the free encyclopedia
Dioscorea japonica, known as East Asian mountain yam,[1] yamaimo, or Japanese mountain yam, is a type of yam (Dioscorea) native to Japan (including Ryukyu and Bonin Islands), Korea, China, Taiwan, and Assam.[2][3]
Dioscorea japonica | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Order: | Dioscoreales |
Family: | Dioscoreaceae |
Genus: | Dioscorea |
Species: | D. japonica |
Binomial name | |
Dioscorea japonica Thunb. 1784 | |
Dioscorea japonica is used for food. Jinenjo, also called the wild yam, is a related variety of Japanese yam that is used as an ingredient in soba noodles.
In Japanese, it is known as yamaimo (山芋, "mountain yam").[4] Jinenjo (自然薯, "wild yam") is another kind of Dioscorea japonica, which is native to fields and mountains in Japan.
In Chinese, Dioscorea japonica is known as yě shānyào (野山藥) which translates to English as "wild Chinese yam" or simply "wild yam".[citation needed] Another name is Rìběn shǔyù (日本薯蕷; literally "Japanese yam").[3]
In Korean, it is known as cham ma (참마), as well as dang ma (당마).[citation needed]
Dioscorea japonica contains the antimutagenic compounds eudesmol and paeonol.[5]
Several formal botanical varieties have been proposed. Four are accepted:[2][3]
In Japanese cuisine, both the Japanese yam and the introduced Chinese yam are used interchangeably in dishes and recipes.[6]