The reason for the name mix-up, she explains, is because Louisiana sweet potato growers marketed their orange-fleshed as “yams” to distinguish from other states' produce in the 1930s—and it stuck. The skin of a yam (left) looks kind of like tree bark, while a sweet potato (right) is more reddish-brown. 13 сент. 2017 г.
Why are sweet potatoes labeled as yams?
When soft varieties were first grown commercially, there was a need to differentiate between the two. African slaves had already been calling the 'soft' sweet potatoes 'yams' because they resembled the yams in Africa. Thus, 'soft' sweet potatoes were referred to as 'yams' to distinguish them from the 'firm' varieties.
Is there a difference between sweet potatoes and yams?
Yams are starchy and have a rough, brown exterior. They can grow up to 45 feet long and are eaten in parts of Latin America, West Africa, the Caribbean, and Asia. Sweet potatoes are a New World root vegetable, have a softer, reddish skin, a creamier interior, and often, a darker interior.
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