Archaeologists have unearthed 170,000-year-old whole, charred rhizomes of flowering plants from the genus Hypoxis in a cave in southern Africa. These botanical remains represent the earliest direct evidence for the cooking of plants’ underground storage organs. Border Cave perched on a cliff in the Lebombo Mountains. Image credit: Ashley Kruger. “Hypoxis rhizomes are nutritious and carbohydrate-rich with an energy value of approximately 500 kJ/100...
