Figure 22: Quinoa (Chenopodium quinoa), which featured not only in Lost Crops of the Incas but also in the inaugural compendium, Underexploited Tropical Plants with Promising Economic Value. The grain is one of the vegetable kingdom's best protein sources. Quinoa (usually pronounced KEEN-wah) is already appearing in U.S. supermarkets. That's not necessarily because of our endeavors, but we are certainly glad to have helped nudge the crop along the path to its greater destiny.