YAM

Yam plants already in consumption by the people of ancient Mesoamerica, including the Aztec, Olmec, Maya, and Toltec. The Spanish brought to the Philippines in the 16th century, which later spread to Southeast Asia and the Far East. Because durable Jícama fresh without having to be stored in the refrigerator, the sailors of old make it as a stepping-stone to cruise at sea.