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Euphorbiaceae

 23-Roots of Manihot esculenta, cassava

[FMP-field: image]
The thickened roots of Manihot esculenta (cassava, manioc, tapioca) are a major source of food in many tropical countries. There are both "sweet" and "bitter" varieties. The latter are extremely poisonous raw and must be prepared properly before eaten.
Photo by K. R. Robertson near Londrina, Parana, Brazil.
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