Sentence:  Among just five families, Whiting found the following grops were still grown on a regular basis: yellow, red, blue, white, violet, pink, and speckled flour and flint corns; purple-backed <WSD>kokama</WSD> corn; sweet corn; shite and gray lima beans; white and blue string beans; grease beans; pole beans; white tepary beans; peanuts; watermelons; casaba melons; honeydw melons; muskmelons; banana squash; cushaw squash; Hubbard squash; cucumbers; onions; chilies; tomatoes; turnips; red dye amaranths; cabbages; peaches; pears; apricots; apples; grapes; and cherries. 
Meaning of the word marked with <WSD> tags:  A variety of corn with purple kernels cultivated by the Hopi.