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NATURE & GASTRONOMY

 

 

 

  purple yam

 

Vietnam

Purple yam is an edible tuber or root vegetable, which in Vietnam is mashed, cooked and used in a type of soup, while in the Philippines, it is eaten as a sweetened jam.

 

Whilst on the outside this tuberous root is a dark greyish-brown to near black, on the inside it is whitish with purple.

 

  purple yam