High Quality Content by WIKIPEDIA articles Mirabilis expansa (mauka or chago) is cultivated as a root vegetable in the Andes, at cold, windy altitudes above 2700 meters. The above-ground portion dies back with frost, but the root is quite hardy. It grows to a height of 1 meter, and bears edible tuberous roots that can reach the size of a man's forearm, with a dry weight composition of about 7% protein and 87% carbohydrate. Yield can reach 50,000...