Coca
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Coca is any of the four cultivated plants in the family Erythroxylaceae, native to western South America. Coca is known worldwide for its psychoactive alkaloid, cocaine.
Erythroxylum novogranatense var. novogranatense leaves and berries
Coca tree in Colombia
Leaves
Leaves and fruit
Cash crop
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A cash crop, also called profit crop, is an agricultural crop which is grown to sell for profit. It is typically purchased by parties separate from a farm. The term is used to differentiate marketed crops from staple crop in subsistence agriculture, which are those fed to the producer's own livestock or grown as food for the producer's family.
A cotton ball. Cotton is a significant cash crop. According to the National Cotton Council of America, in 2014, China was the world's largest cotton-producing country with an estimated output of about one hundred million 480-pound bales.
A tea plantation in the Cameron Highlands in Malaysia
Jatropha curcas is a cash crop used to produce biofuel.
Oranges are a significant U.S. cash crop.