In the United States, sweet potatoes (Ipomoea batatas), especially those with orange flesh, are often referred to as "yams"
Is there yam in America?
In the U.S., over 50% of the country's sweetpotatoes are grown in North Carolina. Today, yams are grown around the world, but West Africa is still where most yam crops — nearly 95% — are grown.
Can you buy yams in the USA?
True yams are indigenous to Africa and Asia, with most grown in Africa, but there are over 150 varieties of yams available worldwide. Yams are mostly sold in chunks, sealed in plastic wrap—if you can even find them in the U.S. at all.
Why do Americans call them yams?
Americans have been calling the orange-fleshed variety of sweet potatoes "yams" since colonial times when Africans saw familiarities in them to the tuberous variety. The USDA decided to label them as "yams" to differentiate the two varieties.
Is yam & sweet potato the same?
The skin of a yam (left) looks kind of like tree bark, while a sweet potato (right) is more reddish-brown. Real yams are entirely different root vegetables that are more like yucca in texture and flavor. They have bumpy, tough brown skin (that looks almost tree trunk-like) with starchy, not sweet flesh.
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