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The foliage and flower buds of Chinese Yam or Japanese Yam (Dioscorea opposita [syns. Dioscorea oppositifolia, Dioscorea batatas]), an herbaceous, tuberous-rooted climber native to Japan, Korea and nearby parts of China. The stems can grow very quickly to a considerable length and the plant has proved to be invasive, especially in the southeastern to midwestern United States. The tubers have many culinary uses and a range of medicinal applications. Order: Dioscoreales, Family: Dioscoreaceae
![The foliage and flower buds of Chinese Yam or Japanese Yam (<i>Dioscorea opposita [syns. Dioscorea oppositifolia, Dioscorea batatas]), an herbaceous, tuberous-rooted climber native to Japan, Korea and nearby parts of China. The stems can grow very quickly to a considerable length and the plant has proved to be invasive, especially in the southeastern to midwestern United States. The tubers have many culinary uses and a range of medicinal applications. Order: Dioscoreales, Family: Dioscoreaceae](./data/media/1/CFGi966.jpg "The foliage and flower buds of Chinese Yam or Japanese Yam (<i>Dioscorea opposita [syns. Dioscorea oppositifolia, Dioscorea batatas]), an herbaceous, tuberous-rooted climber native to Japan, Korea and nearby parts of China. The stems can grow very quickly to a considerable length and the plant has proved to be invasive, especially in the southeastern to midwestern United States. The tubers have many culinary uses and a range of medicinal applications. Order: Dioscoreales, Family: Dioscoreaceae")