Cassava (Munihor escuknra CrantE; Euphorbiaceae) is the only species in its genus that is cultivated as a food crop. In South America, where it originated. cassava was domesticated 2,0004,000 years B.c., yet only recently has it become distributed worldwide. The Portuguese began importing cassava into the Gulf of Guinea in Africa in the 16th century. In the 18th century, they introduced it to t...