Cotton and Native Americans

Tribes affected: Pima and tribes of Mexico, Central America, South America

Significance: Cotton, a South American domesticate, spread to the American Southwest and was cultivated by the historic Pima for fiber and food

Cotton (Gossypium herbaceum) has a highly complex domestication history with independent domestications in both Africa and South America. All cotton in pre-Columbian America descended from that domesticated in coastal Peru sometime before 4,000 b.c.e. Cotton spread northward through Central America and Mexico, finally entering North America in the Southwest. People of the Hohokam archaeological tradition, centered in the Sonora Desert of Arizona and adjacent Mexico, were the first North Americans to use cotton, probably around 100 c.e. They used the fiber for spinning thread from which clothing, bags, and other items were woven; they also used the seed for extracting its nutritious oil. Cotton requires a considerable amount of water for successful growing, and its cultivation probably was a spur to the development of the sophisticated irrigation developed by the Hohokam. The Pima, the Sonoran Desert tribe widely believed descended from the Hohokam, were growing irrigated cotton when the Spanish first encountered them in the seventeenth century.

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