there are distinct differences between the Okinawan purple sweet potato and the ube tuber. Okinawan purple sweet potatoes, very much like their orange counterparts, are actually flowering plants ...

According to Andina, the cultivation of this tuber native to Peru dates ... preserves more than 2,000 varieties of sweet potato, among which is the purple one. This is less sweet than yellow ...

He began planting vines for traditional sweet potato varieties including those with red, brown and white coloured tubers. “I love African culture that is why I decided to grow sweet potatoes ...