Cassava is a tuber root. The flowers of the root and the leaves are edible.
It seems that the nutritional properties of the tuber root itself are destroyed in processing, meaning that many cassava supplements can either have a placebo effect or could cause harm due to the natural toxicology reports of eating too much raw cassava.
In folk medicinal practices of Bangladesh, the whole plant, leaf,
tuber root, seed, and stem is used for various purposes including energy stimulation, increased bile secretion, liver cirrhosis, lunacy, sexual diseases, whitish discharge in urine of men, constipation, menstruation problems, leucorrhea, edema, cancer, leprosy, to increase lactation in nursing mothers, skin disorders, weakness of heart, and gastric pain.
tuber root - erect perennial of eastern and southern United States having showy orange flowers