Scientific Shock: Sweet Potato Originated in India, Not the Americas

Fossil plant 57 million years old found in Meghalaya seems ancestral to the sweet potato, and indicates the split from tobacco and tomatoes occurred a lot earlier than thought

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The top row consists of different species of sweet potatoes
The top row consists of different species of sweet potatoesCredit: Ivan Atmanagara
Ruth Schuster
Ruth Schuster
The distribution of the sweet potato plant and genus today; the fossil leaf (left) and modern oneCredit: Indiana University

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